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Knelston 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Knelston

Abertawe (Swansea), United Kingdom

Long range weather outlook for Knelston includes 14 day forecast summary:

The outlook for Knelston in the two weeks ahead shows the average daytime maximum temperature will be around 16°C, with a high for the two weeks of 22°C expected on the afternoon of Thursday 20th. The average minimum temperature will be 11°C, dipping to its lowest on the morning of Monday 24th at 8°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. It looks like Thursday 20th will have the most precipitation with an accumulation of around 44.0mm. On the whole winds are likely to be fresh. The strongest wind will be experienced on the afternoon of Sunday 23rd, coming from a northerly direction, and reaching around 46mph.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 19
Sep
18:00

WSW
WSW

17 / 20 mph 62 / 62°F 71% 1012 mb
Low level cloud: 23%
Mid level cloud: 21%
High level cloud: 77%
Most Significant Cloud Type: low
39%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WSW
WSW

12 / 13 mph 59 / 57°F 72% 1014 mb
Low level cloud: 28%
Mid level cloud: 51%
High level cloud: 32%
Most Significant Cloud Type: low
49%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Thu 20
Sep
00:00

WSW
WSW

3 / 5 mph 52 / 53°F 86% 1013 mb
Low level cloud: 89%
Mid level cloud: 76%
High level cloud: 46%
Most Significant Cloud Type: low
100%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
03:00

ENE
ENE

8 / 14 mph 50 / 47°F 91% 1011 mb
Low level cloud: 60%
Mid level cloud: 30%
High level cloud: 76%
Most Significant Cloud Type: low
79%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
06:00

NNW
NNW

2 / 4 mph 53 / 54°F 93% 1010 mb
Low level cloud: 88%
Mid level cloud: 44%
High level cloud: 85%
Most Significant Cloud Type: low
100%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
09:00

SSW
SSW

7 / 10 mph 64 / 64°F 96% 1009 mb
Low level cloud: 92%
Mid level cloud: 74%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.35 In of precipitation over the past 3 hours.
0.35 In
12:00

SSW
SSW

25 / 34 mph 69 / 69°F 94% 1005 mb
Low level cloud: 96%
Mid level cloud: 91%
High level cloud: 97%
Most Significant Cloud Type: low
100%
Expect 0.31 In of precipitation over the past 3 hours.
0.31 In
15:00

SSW
SSW

28 / 39 mph 71 / 71°F 90% 1002 mb
Low level cloud: 92%
Mid level cloud: 78%
High level cloud: 97%
Most Significant Cloud Type: low
100%
Expect 0.28 In of precipitation over the past 3 hours.
0.28 In
18:00

SW
SW

32 / 47 mph 70 / 70°F 93% 997 mb
Low level cloud: 96%
Mid level cloud: 68%
High level cloud: 36%
Most Significant Cloud Type: low
100%
Expect 0.46 In of precipitation over the past 3 hours.
0.46 In
21:00

WSW
WSW

32 / 44 mph 67 / 67°F 88% 997 mb
Low level cloud: 83%
Mid level cloud: 67%
High level cloud: 2%
Most Significant Cloud Type: low
100%
Expect 0.12 In of precipitation over the past 3 hours.
0.12 In
Fri 21
Sep
00:00

WNW
WNW

27 / 38 mph 51 / 43°F 79% 1003 mb
Low level cloud: 72%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

W
W

22 / 33 mph 52 / 46°F 73% 1006 mb
Low level cloud: 46%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
06:00

W
W

24 / 36 mph 53 / 46°F 68% 1007 mb
Low level cloud: 13%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
09:00

W
W

28 / 40 mph 55 / 49°F 69% 1010 mb
Low level cloud: 47%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
12:00

W
W

25 / 34 mph 57 / 51°F 66% 1013 mb
Low level cloud: 36%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
38%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
15:00

W
W

22 / 33 mph 56 / 51°F 65% 1014 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

19 / 30 mph 55 / 50°F 70% 1015 mb
Low level cloud: 3%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WNW
WNW

15 / 25 mph 54 / 49°F 75% 1018 mb
Low level cloud: 14%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
Sat 22
Sep
00:00

WNW
WNW

13 / 22 mph 52 / 48°F 75% 1019 mb
Low level cloud: 18%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WNW
WNW

11 / 20 mph 50 / 46°F 76% 1020 mb
Low level cloud: 34%
Mid level cloud: 5%
High level cloud: 25%
Most Significant Cloud Type: low
39%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NW
NW

9 / 16 mph 49 / 45°F 76% 1021 mb
Low level cloud: 48%
Mid level cloud: 4%
High level cloud: 90%
Most Significant Cloud Type: low
60%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WNW
WNW

7 / 11 mph 53 / 50°F 69% 1022 mb
Low level cloud: 79%
Mid level cloud: 16%
High level cloud: 14%
Most Significant Cloud Type: low
86%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

W
W

6 / 7 mph 57 / 55°F 64% 1022 mb
Low level cloud: 70%
Mid level cloud: 31%
High level cloud: 79%
Most Significant Cloud Type: low
90%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SW
SW

5 / 6 mph 59 / 58°F 65% 1020 mb
Low level cloud: 0%
Mid level cloud: 73%
High level cloud: 93%
Most Significant Cloud Type: medium
77%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SE
SE

7 / 8 mph 57 / 56°F 78% 1018 mb
Low level cloud: 2%
Mid level cloud: 78%
High level cloud: 98%
Most Significant Cloud Type: medium
86%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
21:00

ESE
ESE

16 / 18 mph 54 / 49°F 89% 1014 mb
Low level cloud: 85%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.19 In of precipitation over the past 3 hours.
0.19 In
Sun 23
Sep
00:00

ESE
ESE

33 / 50 mph 50 / 41°F 90% 1004 mb
Low level cloud: 93%
Mid level cloud: 75%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.23 In of precipitation over the past 3 hours.
0.23 In
03:00

SSE
SSE

28 / 51 mph 61 / 61°F 94% 991 mb
Low level cloud: 100%
Mid level cloud: 96%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.87 In of precipitation over the past 3 hours.
0.87 In
06:00

S
S

21 / 36 mph 60 / 60°F 82% 981 mb
Low level cloud: 56%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.23 In of precipitation over the past 3 hours.
0.23 In
09:00

NNE
NNE

6 / 10 mph 58 / 57°F 89% 979 mb
Low level cloud: 60%
Mid level cloud: 89%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.19 In of precipitation over the past 3 hours.
0.19 In
12:00

NNW
NNW

46 / 68 mph 49 / 39°F 84% 986 mb
Low level cloud: 76%
Mid level cloud: 54%
High level cloud: 33%
Most Significant Cloud Type: low
98%
Expect 0.15 In of precipitation over the past 3 hours.
0.15 In
15:00

NNW
NNW

46 / 68 mph 53 / 45°F 72% 998 mb
Low level cloud: 80%
Mid level cloud: 63%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

NNW
NNW

36 / 56 mph 51 / 43°F 68% 1011 mb
Low level cloud: 58%
Mid level cloud: 13%
High level cloud: 2%
Most Significant Cloud Type: low
63%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

NNW
NNW

26 / 42 mph 50 / 43°F 65% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 24
Sep
00:00

NNW
NNW

20 / 38 mph 48 / 41°F 67% 1024 mb
Low level cloud: 27%
Mid level cloud: 17%
High level cloud: 5%
Most Significant Cloud Type: low
33%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

NNW
NNW

19 / 33 mph 47 / 40°F 73% 1027 mb
Low level cloud: 12%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NNW
NNW

16 / 28 mph 47 / 40°F 70% 1030 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

NNW
NNW

16 / 29 mph 48 / 42°F 71% 1032 mb
Low level cloud: 70%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NNW
NNW

17 / 30 mph 50 / 44°F 68% 1034 mb
Low level cloud: 30%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

NNW
NNW

17 / 29 mph 51 / 45°F 68% 1034 mb
Low level cloud: 16%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

NNW
NNW

12 / 19 mph 51 / 46°F 71% 1035 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 2%
Most Significant Cloud Type: high
2%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

NNW
NNW

7 / 12 mph 50 / 47°F 74% 1037 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 25
Sep
00:00

NW
NW

4 / 4 mph 52 / 52°F 74% 1037 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 27%
Most Significant Cloud Type: high
27%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WSW
WSW

3 / 5 mph 51 / 51°F 72% 1036 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 11%
Most Significant Cloud Type: medium
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WSW
WSW

10 / 21 mph 48 / 44°F 72% 1036 mb
Low level cloud: 74%
Mid level cloud: 64%
High level cloud: 2%
Most Significant Cloud Type: low
96%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SW
SW

15 / 26 mph 53 / 48°F 77% 1035 mb
Low level cloud: 68%
Mid level cloud: 44%
High level cloud: 22%
Most Significant Cloud Type: low
85%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

SW
SW

19 / 22 mph 57 / 53°F 76% 1035 mb
Low level cloud: 58%
Mid level cloud: 55%
High level cloud: 7%
Most Significant Cloud Type: low
77%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

WSW
WSW

19 / 22 mph 59 / 59°F 79% 1033 mb
Low level cloud: 77%
Mid level cloud: 72%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WSW
WSW

16 / 21 mph 57 / 54°F 84% 1033 mb
Low level cloud: 82%
Mid level cloud: 74%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
21:00

WSW
WSW

13 / 25 mph 54 / 50°F 85% 1033 mb
Low level cloud: 74%
Mid level cloud: 28%
High level cloud: 1%
Most Significant Cloud Type: low
83%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 26
Sep
00:00

WNW
WNW

16 / 23 mph 60 / 60°F 93% 1022 mb
Low level cloud: 66%
Mid level cloud: 44%
High level cloud: 78%
Most Significant Cloud Type: low
90%
0.15 In
06:00

NNE
NNE

4 / 6 mph 60 / 60°F 95% 1028 mb
Low level cloud: 91%
Mid level cloud: 44%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.00 In
12:00

SE
SE

6 / 8 mph 63 / 63°F 63% 1030 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.00 In
18:00

NW
NW

3 / 3 mph 66 / 66°F 71% 1033 mb
Low level cloud: 1%
Mid level cloud: 1%
High level cloud: 4%
Most Significant Cloud Type: high
3%
0.00 In
Thu 27
Sep
00:00

E
E

9 / 14 mph 54 / 51°F 81% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
0.00 In
06:00

E
E

6 / 10 mph 52 / 50°F 81% 1034 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: high
15%
0.00 In
12:00

ESE
ESE

12 / 16 mph 61 / 61°F 78% 1032 mb
Low level cloud: 11%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.00 In
18:00

NNE
NNE

9 / 11 mph 59 / 59°F 81% 1022 mb
Low level cloud: 36%
Mid level cloud: 79%
High level cloud: 75%
Most Significant Cloud Type: low
72%
0.00 In
Fri 28
Sep
00:00

ESE
ESE

19 / 21 mph 61 / 61°F 81% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.00 In
06:00

ENE
ENE

9 / 15 mph 52 / 49°F 87% 1021 mb
Low level cloud: 56%
Mid level cloud: 65%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.00 In
12:00

SE
SE

21 / 24 mph 69 / 69°F 71% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
18:00

WNW
WNW

0 / 0 mph 63 / 63°F 81% 1018 mb
Low level cloud: 76%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
90%
0.00 In
Sat 29
Sep
00:00

SE
SE

21 / 36 mph 54 / 48°F 72% 1015 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
06:00

ESE
ESE

11 / 18 mph 54 / 51°F 91% 1014 mb
Low level cloud: 72%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
87%
0.01 In
12:00

SSE
SSE

18 / 20 mph 62 / 62°F 73% 1009 mb
Low level cloud: 23%
Mid level cloud: 31%
High level cloud: 37%
Most Significant Cloud Type: low
38%
0.00 In
18:00

E
E

6 / 9 mph 61 / 61°F 89% 1013 mb
Low level cloud: 39%
Mid level cloud: 44%
High level cloud: 3%
Most Significant Cloud Type: low
55%
0.10 In
Sun 30
Sep
00:00

SSE
SSE

20 / 31 mph 53 / 48°F 89% 1000 mb
Low level cloud: 82%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.10 In
06:00

ENE
ENE

10 / 19 mph 53 / 49°F 90% 1016 mb
Low level cloud: 7%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
51%
0.01 In
12:00

WSW
WSW

10 / 13 mph 57 / 55°F 74% 996 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 42%
Most Significant Cloud Type: medium
6%
0.40 In
18:00

NE
NE

10 / 14 mph 59 / 57°F 90% 1019 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.00 In
Mon 01
Oct
00:00

SW
SW

12 / 19 mph 52 / 48°F 83% 997 mb
Low level cloud: 31%
Mid level cloud: 13%
High level cloud: 5%
Most Significant Cloud Type: low
35%
0.03 In
06:00

ENE
ENE

8 / 15 mph 52 / 49°F 91% 1018 mb
Low level cloud: 17%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
17%
0.00 In
12:00

WSW
WSW

19 / 28 mph 55 / 50°F 77% 1000 mb
Low level cloud: 16%
Mid level cloud: 44%
High level cloud: 2%
Most Significant Cloud Type: low
31%
0.07 In
18:00

NE
NE

7 / 10 mph 62 / 62°F 84% 1018 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
13%
0.00 In
Tue 02
Oct
00:00

W
W

12 / 23 mph 51 / 47°F 82% 1002 mb
Low level cloud: 5%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
60%
0.21 In
06:00

ENE
ENE

10 / 19 mph 51 / 47°F 89% 1019 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: high
7%
0.00 In
12:00

WNW
WNW

24 / 44 mph 49 / 42°F 70% 1012 mb
Low level cloud: 17%
Mid level cloud: 6%
High level cloud: 15%
Most Significant Cloud Type: low
21%
0.15 In
18:00

ENE
ENE

9 / 16 mph 59 / 57°F 87% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.00 In
Wed 03
Oct
00:00

WNW
WNW

12 / 21 mph 50 / 45°F 68% 1023 mb
Low level cloud: 1%
Mid level cloud: 9%
High level cloud: 34%
Most Significant Cloud Type: medium
12%
0.02 In
06:00

ENE
ENE

15 / 25 mph 51 / 46°F 93% 1022 mb
Low level cloud: 44%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
44%
0.00 In
12:00

SSE
SSE

16 / 24 mph 51 / 46°F 91% 1022 mb
Low level cloud: 87%
Mid level cloud: 84%
High level cloud: 35%
Most Significant Cloud Type: low
100%
0.29 In
18:00

ENE
ENE

15 / 20 mph 62 / 62°F 87% 1019 mb
Low level cloud: 2%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.00 In
Thu 04
Oct
00:00

SW
SW

13 / 21 mph 60 / 60°F 97% 1020 mb
Low level cloud: 81%
Mid level cloud: 29%
High level cloud: 5%
Most Significant Cloud Type: low
91%
0.12 In
06:00

E
E

15 / 24 mph 56 / 53°F 93% 1015 mb
Low level cloud: 50%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: low
69%
0.00 In
12:00

NW
NW

9 / 13 mph 55 / 52°F 81% 1024 mb
Low level cloud: 16%
Mid level cloud: 48%
High level cloud: 33%
Most Significant Cloud Type: medium
94%
0.13 In
18:00

S
S

3 / 3 mph 73 / 77°F 90% 1015 mb
Low level cloud: 10%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: low
15%
0.01 In

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