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Llyn Eigiau Reservoir 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Llyn Eigiau Reservoir

Gwynedd, United Kingdom

Long range weather outlook for Llyn Eigiau Reservoir includes 14 day forecast summary:

The forecast for Llyn Eigiau Reservoir in the coming two weeks is predicting the average daytime maximum temperature will be around 9°C, with a high for the two weeks of 13°C expected on the evening of Saturday 15th. The average minimum temperature will be 5°C, dipping to its lowest on the morning of Friday 14th at 1°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. Current predictions suggest Saturday 15th will have the most precipitation with an accumulation of around 16.0mm. On the whole winds are likely to be moderate. The strongest wind will be felt on the afternoon of Tuesday 18th, coming from a south westerly direction, and reaching around 31mph.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 12
Dec
00:00

SE
SE

11 / 21 mph 44 / 38°F 84% 1018 mb
Low level cloud: 61%
Mid level cloud: 70%
High level cloud: 94%
Most Significant Cloud Type: low
96%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

SE
SE

13 / 24 mph 43 / 37°F 85% 1017 mb
Low level cloud: 27%
Mid level cloud: 77%
High level cloud: 83%
Most Significant Cloud Type: low
63%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SE
SE

13 / 26 mph 42 / 36°F 86% 1017 mb
Low level cloud: 51%
Mid level cloud: 64%
High level cloud: 34%
Most Significant Cloud Type: low
77%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
09:00

SE
SE

14 / 23 mph 45 / 38°F 85% 1017 mb
Low level cloud: 33%
Mid level cloud: 56%
High level cloud: 1%
Most Significant Cloud Type: low
52%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SE
SE

14 / 18 mph 47 / 41°F 84% 1017 mb
Low level cloud: 67%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SE
SE

15 / 17 mph 48 / 42°F 83% 1016 mb
Low level cloud: 49%
Mid level cloud: 42%
High level cloud: 4%
Most Significant Cloud Type: low
64%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SE
SE

16 / 21 mph 47 / 40°F 81% 1014 mb
Low level cloud: 83%
Mid level cloud: 43%
High level cloud: 90%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SE
SE

19 / 22 mph 45 / 37°F 80% 1013 mb
Low level cloud: 83%
Mid level cloud: 18%
High level cloud: 13%
Most Significant Cloud Type: low
90%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Thu 13
Dec
00:00

SE
SE

21 / 24 mph 42 / 33°F 78% 1012 mb
Low level cloud: 50%
Mid level cloud: 42%
High level cloud: 33%
Most Significant Cloud Type: low
68%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SE
SE

23 / 26 mph 42 / 32°F 77% 1011 mb
Low level cloud: 25%
Mid level cloud: 10%
High level cloud: 96%
Most Significant Cloud Type: low
40%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SE
SE

22 / 25 mph 41 / 31°F 76% 1011 mb
Low level cloud: 9%
Mid level cloud: 16%
High level cloud: 97%
Most Significant Cloud Type: medium
46%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SE
SE

21 / 24 mph 40 / 31°F 76% 1013 mb
Low level cloud: 11%
Mid level cloud: 26%
High level cloud: 96%
Most Significant Cloud Type: medium
59%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SE
SE

19 / 21 mph 41 / 32°F 72% 1014 mb
Low level cloud: 1%
Mid level cloud: 63%
High level cloud: 53%
Most Significant Cloud Type: medium
66%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SE
SE

17 / 19 mph 41 / 33°F 70% 1016 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 92%
Most Significant Cloud Type: medium
47%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SE
SE

17 / 23 mph 39 / 30°F 74% 1018 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 91%
Most Significant Cloud Type: medium
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SE
SE

14 / 21 mph 37 / 28°F 74% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 20%
Most Significant Cloud Type: high
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 14
Dec
00:00

SE
SE

12 / 17 mph 36 / 28°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: high
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SE
SE

14 / 21 mph 35 / 26°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: high
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SSE
SSE

12 / 18 mph 34 / 25°F 75% 1020 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 22%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSE
SSE

13 / 16 mph 37 / 28°F 66% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 80%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SSE
SSE

14 / 16 mph 40 / 32°F 57% 1020 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 73%
Most Significant Cloud Type: medium
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SSE
SSE

11 / 13 mph 41 / 35°F 63% 1019 mb
Low level cloud: 27%
Mid level cloud: 45%
High level cloud: 66%
Most Significant Cloud Type: low
50%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SSE
SSE

14 / 17 mph 40 / 32°F 73% 1017 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 71%
Most Significant Cloud Type: medium
46%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SSE
SSE

15 / 25 mph 37 / 29°F 79% 1017 mb
Low level cloud: 7%
Mid level cloud: 76%
High level cloud: 91%
Most Significant Cloud Type: medium
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
Sat 15
Dec
00:00

SSE
SSE

15 / 20 mph 41 / 33°F 85% 1016 mb
Low level cloud: 18%
Mid level cloud: 74%
High level cloud: 95%
Most Significant Cloud Type: medium
100%
Expect 0.21 In of precipitation over the past 3 hours.
0.21 In
03:00

SSE
SSE

9 / 13 mph 41 / 35°F 87% 1015 mb
Low level cloud: 53%
Mid level cloud: 66%
High level cloud: 89%
Most Significant Cloud Type: low
86%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
06:00

SSE
SSE

13 / 19 mph 43 / 36°F 87% 1012 mb
Low level cloud: 26%
Mid level cloud: 68%
High level cloud: 99%
Most Significant Cloud Type: low
61%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
09:00

SSE
SSE

21 / 29 mph 45 / 37°F 85% 1009 mb
Low level cloud: 30%
Mid level cloud: 98%
High level cloud: 99%
Most Significant Cloud Type: medium
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

SSE
SSE

26 / 34 mph 50 / 42°F 82% 1003 mb
Low level cloud: 67%
Mid level cloud: 73%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

S
S

17 / 26 mph 53 / 49°F 91% 998 mb
Low level cloud: 83%
Mid level cloud: 67%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.12 In of precipitation over the past 3 hours.
0.12 In
18:00

SSW
SSW

18 / 27 mph 55 / 51°F 89% 994 mb
Low level cloud: 84%
Mid level cloud: 65%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.15 In of precipitation over the past 3 hours.
0.15 In
21:00

SW
SW

27 / 34 mph 53 / 46°F 82% 995 mb
Low level cloud: 83%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
Sun 16
Dec
00:00

W
W

22 / 31 mph 47 / 39°F 79% 1002 mb
Low level cloud: 90%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

WSW
WSW

17 / 24 mph 45 / 38°F 76% 1006 mb
Low level cloud: 10%
Mid level cloud: 8%
High level cloud: 9%
Most Significant Cloud Type: low
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SW
SW

14 / 21 mph 44 / 37°F 77% 1008 mb
Low level cloud: 1%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: medium
70%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SW
SW

13 / 15 mph 47 / 41°F 81% 1009 mb
Low level cloud: 18%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SW
SW

15 / 18 mph 50 / 45°F 74% 1008 mb
Low level cloud: 16%
Mid level cloud: 8%
High level cloud: 7%
Most Significant Cloud Type: low
19%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SW
SW

15 / 17 mph 52 / 47°F 77% 1007 mb
Low level cloud: 35%
Mid level cloud: 45%
High level cloud: 66%
Most Significant Cloud Type: low
58%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SSW
SSW

12 / 14 mph 50 / 46°F 85% 1007 mb
Low level cloud: 63%
Mid level cloud: 84%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
21:00

SW
SW

14 / 17 mph 48 / 42°F 88% 1006 mb
Low level cloud: 83%
Mid level cloud: 87%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.09 In of precipitation over the past 3 hours.
0.09 In
Mon 17
Dec
00:00

SW
SW

7 / 10 mph 45 / 41°F 89% 1005 mb
Low level cloud: 21%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.18 In of precipitation over the past 3 hours.
0.18 In
03:00

W
W

7 / 13 mph 43 / 38°F 86% 1005 mb
Low level cloud: 38%
Mid level cloud: 81%
High level cloud: 100%
Most Significant Cloud Type: low
77%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
06:00

W
W

11 / 18 mph 42 / 35°F 85% 1006 mb
Low level cloud: 37%
Mid level cloud: 5%
High level cloud: 32%
Most Significant Cloud Type: low
42%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
09:00

WSW
WSW

9 / 11 mph 45 / 40°F 86% 1008 mb
Low level cloud: 24%
Mid level cloud: 5%
High level cloud: 16%
Most Significant Cloud Type: low
27%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SW
SW

10 / 11 mph 48 / 44°F 75% 1009 mb
Low level cloud: 17%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SSW
SSW

10 / 11 mph 50 / 46°F 80% 1008 mb
Low level cloud: 16%
Mid level cloud: 5%
High level cloud: 95%
Most Significant Cloud Type: low
28%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SSE
SSE

10 / 11 mph 48 / 44°F 84% 1006 mb
Low level cloud: 7%
Mid level cloud: 46%
High level cloud: 98%
Most Significant Cloud Type: medium
68%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SSE
SSE

14 / 21 mph 46 / 40°F 84% 1002 mb
Low level cloud: 52%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
98%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 18
Dec
00:00

SSE
SSE

21 / 41 mph 46 / 38°F 81% 995 mb
Low level cloud: 78%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

S
S

26 / 54 mph 45 / 36°F 81% 988 mb
Low level cloud: 60%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: low
97%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
06:00

SSW
SSW

18 / 36 mph 44 / 36°F 79% 985 mb
Low level cloud: 36%
Mid level cloud: 87%
High level cloud: 100%
Most Significant Cloud Type: low
77%
Expect 0.15 In of precipitation over the past 3 hours.
0.15 In
09:00

SSW
SSW

23 / 39 mph 47 / 38°F 75% 984 mb
Low level cloud: 13%
Mid level cloud: 19%
High level cloud: 15%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SSW
SSW

27 / 32 mph 50 / 42°F 71% 982 mb
Low level cloud: 12%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: medium
80%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SSW
SSW

32 / 38 mph 51 / 43°F 76% 980 mb
Low level cloud: 54%
Mid level cloud: 85%
High level cloud: 100%
Most Significant Cloud Type: low
95%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
18:00

SW
SW

29 / 36 mph 50 / 42°F 76% 981 mb
Low level cloud: 73%
Mid level cloud: 97%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.14 In of precipitation over the past 3 hours.
0.14 In
21:00

SW
SW

26 / 36 mph 47 / 39°F 75% 982 mb
Low level cloud: 48%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
90%
Expect 0.07 In of precipitation over the past 3 hours.
0.07 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 19
Dec
00:00

W
W

11 / 21 mph 42 / 36°F 89% 994 mb
Low level cloud: 74%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.03 In
06:00

SW
SW

12 / 20 mph 43 / 37°F 77% 1002 mb
Low level cloud: 4%
Mid level cloud: 44%
High level cloud: 18%
Most Significant Cloud Type: medium
55%
0.00 In
12:00

SSW
SSW

12 / 15 mph 47 / 42°F 78% 993 mb
Low level cloud: 45%
Mid level cloud: 14%
High level cloud: 33%
Most Significant Cloud Type: low
53%
0.00 In
18:00

SSE
SSE

8 / 11 mph 45 / 41°F 87% 985 mb
Low level cloud: 4%
Mid level cloud: 5%
High level cloud: 31%
Most Significant Cloud Type: low
9%
0.01 In
Thu 20
Dec
00:00

WNW
WNW

23 / 39 mph 45 / 37°F 81% 982 mb
Low level cloud: 91%
Mid level cloud: 64%
High level cloud: 87%
Most Significant Cloud Type: low
100%
0.15 In
06:00

ENE
ENE

2 / 5 mph 39 / 38°F 91% 986 mb
Low level cloud: 15%
Mid level cloud: 44%
High level cloud: 97%
Most Significant Cloud Type: medium
89%
0.01 In
12:00

NNW
NNW

20 / 34 mph 47 / 40°F 77% 999 mb
Low level cloud: 87%
Mid level cloud: 46%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.15 In
18:00

NNW
NNW

6 / 9 mph 44 / 41°F 86% 997 mb
Low level cloud: 81%
Mid level cloud: 20%
High level cloud: 3%
Most Significant Cloud Type: low
88%
0.02 In
Fri 21
Dec
00:00

NW
NW

16 / 22 mph 44 / 36°F 76% 1015 mb
Low level cloud: 90%
Mid level cloud: 72%
High level cloud: 21%
Most Significant Cloud Type: low
100%
0.03 In
06:00

NNW
NNW

11 / 15 mph 46 / 41°F 87% 1004 mb
Low level cloud: 80%
Mid level cloud: 49%
High level cloud: 0%
Most Significant Cloud Type: low
97%
0.06 In
12:00

SW
SW

16 / 21 mph 46 / 39°F 82% 1017 mb
Low level cloud: 71%
Mid level cloud: 71%
High level cloud: 21%
Most Significant Cloud Type: low
98%
0.02 In
18:00

WNW
WNW

7 / 10 mph 47 / 43°F 86% 1011 mb
Low level cloud: 62%
Mid level cloud: 3%
High level cloud: 17%
Most Significant Cloud Type: low
64%
0.05 In
Sat 22
Dec
00:00

WSW
WSW

13 / 27 mph 46 / 41°F 93% 1010 mb
Low level cloud: 53%
Mid level cloud: 43%
High level cloud: 46%
Most Significant Cloud Type: low
74%
0.13 In
06:00

SSW
SSW

4 / 7 mph 42 / 39°F 85% 1011 mb
Low level cloud: 34%
Mid level cloud: 3%
High level cloud: 46%
Most Significant Cloud Type: low
40%
0.02 In
12:00

W
W

18 / 22 mph 50 / 44°F 77% 1013 mb
Low level cloud: 34%
Mid level cloud: 19%
High level cloud: 42%
Most Significant Cloud Type: low
45%
0.16 In
18:00

ESE
ESE

11 / 13 mph 44 / 38°F 90% 1002 mb
Low level cloud: 47%
Mid level cloud: 49%
High level cloud: 62%
Most Significant Cloud Type: low
71%
0.07 In
Sun 23
Dec
00:00

W
W

15 / 21 mph 46 / 39°F 80% 1016 mb
Low level cloud: 22%
Mid level cloud: 4%
High level cloud: 32%
Most Significant Cloud Type: low
27%
0.02 In
06:00

WSW
WSW

11 / 22 mph 39 / 32°F 89% 1003 mb
Low level cloud: 27%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
37%
0.31 In
12:00

W
W

7 / 9 mph 46 / 42°F 77% 1019 mb
Low level cloud: 23%
Mid level cloud: 0%
High level cloud: 44%
Most Significant Cloud Type: low
27%
0.00 In
18:00

SW
SW

1 / 1 mph 45 / 45°F 88% 1003 mb
Low level cloud: 9%
Mid level cloud: 24%
High level cloud: 57%
Most Significant Cloud Type: low
24%
0.03 In
Mon 24
Dec
00:00

S
S

6 / 13 mph 35 / 29°F 90% 1020 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 7%
Most Significant Cloud Type: medium
5%
0.00 In
06:00

N
N

5 / 10 mph 37 / 33°F 91% 1004 mb
Low level cloud: 21%
Mid level cloud: 10%
High level cloud: 15%
Most Significant Cloud Type: low
26%
0.00 In
12:00

SSW
SSW

18 / 21 mph 55 / 51°F 91% 1004 mb
Low level cloud: 64%
Mid level cloud: 50%
High level cloud: 38%
Most Significant Cloud Type: low
85%
0.03 In
18:00

NNE
NNE

14 / 18 mph 42 / 35°F 83% 1014 mb
Low level cloud: 55%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
61%
0.08 In
Tue 25
Dec
00:00

W
W

23 / 34 mph 43 / 34°F 71% 1008 mb
Low level cloud: 58%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
73%
0.28 In
06:00

N
N

9 / 15 mph 36 / 30°F 79% 1024 mb
Low level cloud: 38%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.00 In
12:00

WNW
WNW

18 / 26 mph 44 / 36°F 71% 1018 mb
Low level cloud: 54%
Mid level cloud: 7%
High level cloud: 17%
Most Significant Cloud Type: low
57%
0.07 In
18:00

NNW
NNW

12 / 19 mph 43 / 37°F 84% 1027 mb
Low level cloud: 67%
Mid level cloud: 11%
High level cloud: 6%
Most Significant Cloud Type: low
71%
0.04 In
Wed 26
Dec
00:00

SSW
SSW

14 / 26 mph 43 / 36°F 83% 1017 mb
Low level cloud: 37%
Mid level cloud: 2%
High level cloud: 58%
Most Significant Cloud Type: low
44%
0.00 In
06:00

ENE
ENE

1 / 3 mph 37 / 37°F 90% 1031 mb
Low level cloud: 52%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: low
56%
0.02 In
12:00

SSW
SSW

15 / 17 mph 57 / 53°F 92% 1002 mb
Low level cloud: 64%
Mid level cloud: 56%
High level cloud: 74%
Most Significant Cloud Type: low
92%
0.20 In
18:00

SSE
SSE

7 / 12 mph 40 / 34°F 91% 1032 mb
Low level cloud: 51%
Mid level cloud: 3%
High level cloud: 75%
Most Significant Cloud Type: low
60%
0.00 In
Thu 27
Dec
00:00

WSW
WSW

11 / 13 mph 47 / 42°F 91% 998 mb
Low level cloud: 78%
Mid level cloud: 53%
High level cloud: 51%
Most Significant Cloud Type: low
100%
0.11 In
06:00

SSE
SSE

11 / 17 mph 37 / 29°F 91% 1030 mb
Low level cloud: 35%
Mid level cloud: 16%
High level cloud: 32%
Most Significant Cloud Type: low
43%
0.01 In
12:00

SW
SW

11 / 13 mph 47 / 41°F 78% 1000 mb
Low level cloud: 24%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.02 In

Other Locations Near to Llyn Eigiau Reservoir

The day label given represents the local day relative to the local time for the location you are looking at.
(More Info)

Day

This time is corrected for local time zones and where possible for daylight saving times.
(More Info)

Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
(More Info)

Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
(More Info)

Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure