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Porth-llwyd 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Porth-llwyd

Gwynedd, United Kingdom

Long range weather outlook for Porth-llwyd includes 14 day forecast summary:

Taking a look at Porth-llwyd over the coming two weeks and the average daytime maximum temperature will be around 7°C, with a high for the two weeks of 15°C expected on the afternoon of Saturday 21st. The average minimum temperature will be 3°C, dipping to its lowest on the morning of Monday 30th at 0°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain, sleet or snow. Predictions are Monday 30th will have the most precipitation with an accumulation of around 15.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 21
Apr
18:00

W
W

2 / 5 mph 55 / 54°F 80% 1013 mb
Low level cloud: 3%
Mid level cloud: 16%
High level cloud: 33%
Most Significant Cloud Type: medium
24%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
21:00

SSE
SSE

4 / 9 mph 53 / 52°F 91% 1012 mb
Low level cloud: 3%
Mid level cloud: 7%
High level cloud: 49%
Most Significant Cloud Type: medium
18%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
Sun 22
Apr
00:00

SSW
SSW

6 / 12 mph 52 / 49°F 96% 1011 mb
Low level cloud: 62%
Mid level cloud: 6%
High level cloud: 41%
Most Significant Cloud Type: low
69%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

SSW
SSW

7 / 15 mph 46 / 42°F 88% 1009 mb
Low level cloud: 27%
Mid level cloud: 9%
High level cloud: 96%
Most Significant Cloud Type: low
41%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SSW
SSW

7 / 13 mph 46 / 42°F 81% 1009 mb
Low level cloud: 0%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: medium
98%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSW
SSW

11 / 22 mph 44 / 37°F 70% 1008 mb
Low level cloud: 7%
Mid level cloud: 43%
High level cloud: 99%
Most Significant Cloud Type: medium
68%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SSW
SSW

11 / 23 mph 39 / 32°F 93% 1008 mb
Low level cloud: 91%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
15:00

SW
SW

10 / 20 mph 41 / 35°F 96% 1008 mb
Low level cloud: 88%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
18:00

SW
SW

12 / 25 mph 42 / 35°F 92% 1009 mb
Low level cloud: 72%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
21:00

WSW
WSW

9 / 17 mph 45 / 40°F 93% 1011 mb
Low level cloud: 70%
Mid level cloud: 73%
High level cloud: 0%
Most Significant Cloud Type: low
95%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
Mon 23
Apr
00:00

WSW
WSW

10 / 15 mph 44 / 38°F 95% 1013 mb
Low level cloud: 29%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

W
W

9 / 15 mph 42 / 36°F 95% 1014 mb
Low level cloud: 44%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: low
45%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WSW
WSW

7 / 14 mph 41 / 35°F 96% 1015 mb
Low level cloud: 50%
Mid level cloud: 10%
High level cloud: 12%
Most Significant Cloud Type: low
55%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WSW
WSW

12 / 25 mph 41 / 34°F 82% 1016 mb
Low level cloud: 60%
Mid level cloud: 10%
High level cloud: 99%
Most Significant Cloud Type: low
75%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SW
SW

18 / 37 mph 42 / 33°F 85% 1015 mb
Low level cloud: 67%
Mid level cloud: 53%
High level cloud: 94%
Most Significant Cloud Type: low
97%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

SW
SW

19 / 39 mph 40 / 30°F 92% 1014 mb
Low level cloud: 93%
Mid level cloud: 77%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
18:00

SW
SW

17 / 35 mph 40 / 32°F 97% 1013 mb
Low level cloud: 92%
Mid level cloud: 71%
High level cloud: 88%
Most Significant Cloud Type: low
100%
Expect 0.07 In of precipitation over the past 3 hours.
0.07 In
21:00

WSW
WSW

11 / 23 mph 43 / 37°F 99% 1014 mb
Low level cloud: 88%
Mid level cloud: 96%
High level cloud: 93%
Most Significant Cloud Type: low
100%
Expect 0.18 In of precipitation over the past 3 hours.
0.18 In
Tue 24
Apr
00:00

WSW
WSW

9 / 18 mph 40 / 34°F 96% 1014 mb
Low level cloud: 49%
Mid level cloud: 31%
High level cloud: 99%
Most Significant Cloud Type: low
72%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
03:00

SW
SW

6 / 13 mph 41 / 37°F 97% 1014 mb
Low level cloud: 37%
Mid level cloud: 94%
High level cloud: 97%
Most Significant Cloud Type: low
81%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SW
SW

8 / 16 mph 37 / 31°F 97% 1014 mb
Low level cloud: 73%
Mid level cloud: 95%
High level cloud: 90%
Most Significant Cloud Type: low
100%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
09:00

WSW
WSW

9 / 18 mph 40 / 35°F 92% 1015 mb
Low level cloud: 87%
Mid level cloud: 91%
High level cloud: 93%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

SW
SW

8 / 17 mph 43 / 38°F 83% 1015 mb
Low level cloud: 70%
Mid level cloud: 46%
High level cloud: 94%
Most Significant Cloud Type: low
97%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

SW
SW

8 / 17 mph 46 / 41°F 74% 1014 mb
Low level cloud: 48%
Mid level cloud: 66%
High level cloud: 83%
Most Significant Cloud Type: low
81%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SW
SW

7 / 15 mph 43 / 38°F 81% 1013 mb
Low level cloud: 5%
Mid level cloud: 10%
High level cloud: 98%
Most Significant Cloud Type: medium
27%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

S
S

6 / 10 mph 45 / 42°F 94% 1012 mb
Low level cloud: 12%
Mid level cloud: 76%
High level cloud: 99%
Most Significant Cloud Type: medium
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Wed 25
Apr
00:00

SSW
SSW

5 / 11 mph 40 / 37°F 98% 1011 mb
Low level cloud: 80%
Mid level cloud: 85%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
03:00

SW
SW

5 / 11 mph 37 / 33°F 98% 1009 mb
Low level cloud: 97%
Mid level cloud: 95%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.11 In of precipitation over the past 3 hours.
0.11 In
06:00

SW
SW

6 / 12 mph 37 / 32°F 98% 1008 mb
Low level cloud: 91%
Mid level cloud: 53%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
09:00

WSW
WSW

11 / 22 mph 41 / 35°F 87% 1009 mb
Low level cloud: 78%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
93%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
12:00

WSW
WSW

12 / 25 mph 42 / 35°F 84% 1008 mb
Low level cloud: 47%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
15:00

WSW
WSW

17 / 36 mph 43 / 35°F 75% 1007 mb
Low level cloud: 12%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
79%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
18:00

WSW
WSW

14 / 28 mph 39 / 31°F 85% 1008 mb
Low level cloud: 15%
Mid level cloud: 74%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
21:00

W
W

11 / 18 mph 43 / 37°F 88% 1009 mb
Low level cloud: 14%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: medium
91%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
Thu 26
Apr
00:00

W
W

11 / 19 mph 41 / 34°F 91% 1010 mb
Low level cloud: 31%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

W
W

13 / 25 mph 39 / 31°F 90% 1011 mb
Low level cloud: 70%
Mid level cloud: 27%
High level cloud: 9%
Most Significant Cloud Type: low
80%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

W
W

15 / 32 mph 34 / 24°F 87% 1011 mb
Low level cloud: 80%
Mid level cloud: 73%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

19 / 40 mph 38 / 28°F 78% 1012 mb
Low level cloud: 79%
Mid level cloud: 26%
High level cloud: 4%
Most Significant Cloud Type: low
88%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

W
W

20 / 41 mph 41 / 32°F 76% 1013 mb
Low level cloud: 67%
Mid level cloud: 17%
High level cloud: 12%
Most Significant Cloud Type: low
74%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
15:00

WNW
WNW

21 / 44 mph 42 / 33°F 75% 1013 mb
Low level cloud: 42%
Mid level cloud: 87%
High level cloud: 32%
Most Significant Cloud Type: low
76%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
18:00

WNW
WNW

17 / 35 mph 39 / 30°F 83% 1014 mb
Low level cloud: 5%
Mid level cloud: 57%
High level cloud: 3%
Most Significant Cloud Type: medium
70%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
21:00

WNW
WNW

10 / 17 mph 43 / 37°F 91% 1017 mb
Low level cloud: 21%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
Fri 27
Apr
00:00

WNW
WNW

9 / 15 mph 41 / 35°F 94% 1017 mb
Low level cloud: 41%
Mid level cloud: 38%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
03:00

WNW
WNW

7 / 15 mph 36 / 30°F 95% 1017 mb
Low level cloud: 86%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
06:00

WNW
WNW

6 / 13 mph 34 / 28°F 94% 1018 mb
Low level cloud: 84%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
09:00

WNW
WNW

6 / 14 mph 37 / 32°F 86% 1018 mb
Low level cloud: 82%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
12:00

WNW
WNW

7 / 15 mph 40 / 35°F 79% 1018 mb
Low level cloud: 65%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
15:00

WNW
WNW

7 / 15 mph 42 / 37°F 70% 1017 mb
Low level cloud: 34%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
18:00

W
W

6 / 12 mph 41 / 37°F 73% 1017 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: medium
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SW
SW

4 / 7 mph 39 / 37°F 91% 1018 mb
Low level cloud: 3%
Mid level cloud: 2%
High level cloud: 86%
Most Significant Cloud Type: medium
12%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 28
Apr
00:00

SW
SW

12 / 24 mph 36 / 28°F 94% 1013 mb
Low level cloud: 92%
Mid level cloud: 80%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.03 In
06:00

SW
SW

6 / 13 mph 40 / 36°F 99% 1007 mb
Low level cloud: 90%
Mid level cloud: 75%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.05 In
12:00

SW
SW

11 / 23 mph 36 / 29°F 96% 1006 mb
Low level cloud: 86%
Mid level cloud: 46%
High level cloud: 93%
Most Significant Cloud Type: low
100%
0.32 In
18:00

WNW
WNW

14 / 30 mph 35 / 25°F 93% 1007 mb
Low level cloud: 90%
Mid level cloud: 83%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.06 In
Sun 29
Apr
00:00

WNW
WNW

8 / 14 mph 40 / 35°F 92% 1005 mb
Low level cloud: 44%
Mid level cloud: 45%
High level cloud: 17%
Most Significant Cloud Type: low
61%
0.02 In
06:00

NW
NW

12 / 25 mph 33 / 24°F 92% 1013 mb
Low level cloud: 85%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.09 In
12:00

W
W

13 / 26 mph 40 / 32°F 73% 1005 mb
Low level cloud: 32%
Mid level cloud: 8%
High level cloud: 10%
Most Significant Cloud Type: low
35%
0.04 In
18:00

SW
SW

13 / 28 mph 39 / 31°F 75% 1010 mb
Low level cloud: 23%
Mid level cloud: 43%
High level cloud: 2%
Most Significant Cloud Type: low
38%
0.03 In
Mon 30
Apr
00:00

NW
NW

6 / 11 mph 40 / 36°F 89% 1005 mb
Low level cloud: 9%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
72%
0.06 In
06:00

S
S

15 / 31 mph 33 / 23°F 89% 999 mb
Low level cloud: 76%
Mid level cloud: 44%
High level cloud: 73%
Most Significant Cloud Type: low
99%
0.03 In
12:00

NW
NW

18 / 37 mph 38 / 29°F 84% 1005 mb
Low level cloud: 66%
Mid level cloud: 41%
High level cloud: 1%
Most Significant Cloud Type: low
79%
0.13 In
18:00

S
S

11 / 23 mph 38 / 31°F 85% 992 mb
Low level cloud: 20%
Mid level cloud: 43%
High level cloud: 32%
Most Significant Cloud Type: low
39%
0.45 In
Tue 01
May
00:00

NNW
NNW

15 / 28 mph 40 / 32°F 87% 1009 mb
Low level cloud: 27%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
42%
0.08 In
06:00

SE
SE

15 / 30 mph 34 / 24°F 87% 988 mb
Low level cloud: 66%
Mid level cloud: 57%
High level cloud: 32%
Most Significant Cloud Type: low
89%
0.01 In
12:00

N
N

13 / 28 mph 37 / 29°F 76% 1017 mb
Low level cloud: 65%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.04 In
18:00

S
S

17 / 35 mph 40 / 31°F 82% 987 mb
Low level cloud: 14%
Mid level cloud: 22%
High level cloud: 62%
Most Significant Cloud Type: low
29%
0.20 In
Wed 02
May
00:00

N
N

4 / 8 mph 40 / 37°F 89% 1023 mb
Low level cloud: 3%
Mid level cloud: 8%
High level cloud: 37%
Most Significant Cloud Type: medium
19%
0.00 In
06:00

S
S

14 / 29 mph 38 / 29°F 90% 990 mb
Low level cloud: 49%
Mid level cloud: 22%
High level cloud: 14%
Most Significant Cloud Type: low
58%
0.07 In
12:00

WSW
WSW

8 / 15 mph 42 / 38°F 62% 1025 mb
Low level cloud: 9%
Mid level cloud: 32%
High level cloud: 32%
Most Significant Cloud Type: medium
58%
0.00 In
18:00

S
S

15 / 32 mph 42 / 34°F 80% 994 mb
Low level cloud: 11%
Mid level cloud: 10%
High level cloud: 46%
Most Significant Cloud Type: low
20%
0.15 In
Thu 03
May
00:00

SW
SW

10 / 21 mph 38 / 31°F 93% 1026 mb
Low level cloud: 84%
Mid level cloud: 75%
High level cloud: 38%
Most Significant Cloud Type: low
100%
0.02 In
06:00

S
S

14 / 30 mph 37 / 28°F 88% 996 mb
Low level cloud: 57%
Mid level cloud: 45%
High level cloud: 95%
Most Significant Cloud Type: low
84%
0.03 In
12:00

NNW
NNW

9 / 19 mph 44 / 39°F 86% 1028 mb
Low level cloud: 50%
Mid level cloud: 9%
High level cloud: 32%
Most Significant Cloud Type: low
56%
0.12 In
18:00

SW
SW

19 / 40 mph 43 / 35°F 77% 1001 mb
Low level cloud: 8%
Mid level cloud: 19%
High level cloud: 33%
Most Significant Cloud Type: low
18%
0.08 In
Fri 04
May
00:00

N
N

5 / 11 mph 42 / 39°F 88% 1034 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: medium
3%
0.00 In
06:00

SSW
SSW

6 / 11 mph 41 / 37°F 94% 1010 mb
Low level cloud: 29%
Mid level cloud: 9%
High level cloud: 5%
Most Significant Cloud Type: low
32%
0.00 In
12:00

NNW
NNW

5 / 10 mph 49 / 47°F 57% 1035 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 12%
Most Significant Cloud Type: medium
6%
0.00 In
18:00

NNE
NNE

11 / 22 mph 46 / 40°F 74% 1012 mb
Low level cloud: 17%
Mid level cloud: 10%
High level cloud: 55%
Most Significant Cloud Type: low
26%
0.00 In
Sat 05
May
00:00

NE
NE

4 / 9 mph 46 / 44°F 74% 1036 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 5%
Most Significant Cloud Type: medium
4%
0.00 In
06:00

NE
NE

10 / 19 mph 44 / 38°F 88% 1015 mb
Low level cloud: 3%
Mid level cloud: 30%
High level cloud: 66%
Most Significant Cloud Type: medium
39%
0.00 In
12:00

NE
NE

11 / 24 mph 52 / 48°F 60% 1033 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.00 In

Other Locations Near to Porth-llwyd

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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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.
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Dir

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