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Port Tennant 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Port Tennant

Neath Port Talbot, United Kingdom

Long range weather outlook for Port Tennant includes 14 day forecast summary:

The outlook for Port Tennant in the two weeks ahead shows the average daytime maximum temperature will be around 11°C, with a high for the two weeks of 16°C expected on the afternoon of Saturday 4th. The average minimum temperature will be 6°C, dipping to its lowest on the morning of Tuesday 7th at 4°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. The indicators are that Monday 6th will have the most precipitation with an accumulation of around 13.0mm. On the whole winds are likely to be moderate. Expect the strongest wind on the afternoon of Saturday 4th, coming from a southerly direction, and reaching around 26mph. The maximum wind gusts are expected on Monday morning.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 30
Mar
15:00

NW
NW

15 / 18 mph 51 / 45°F 74% 1028 mb
Low level cloud: 86%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

11 / 15 mph 50 / 45°F 81% 1029 mb
Low level cloud: 46%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

6 / 9 mph 48 / 45°F 90% 1031 mb
Low level cloud: 44%
Mid level cloud: 14%
High level cloud: 1%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 31
Mar
00:00

WNW
WNW

4 / 7 mph 46 / 45°F 90% 1031 mb
Low level cloud: 32%
Mid level cloud: 19%
High level cloud: 7%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

5 / 8 mph 47 / 45°F 93% 1031 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 64%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

5 / 8 mph 48 / 46°F 96% 1031 mb
Low level cloud: 80%
Mid level cloud: 78%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

5 / 8 mph 51 / 49°F 92% 1031 mb
Low level cloud: 76%
Mid level cloud: 61%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

9 / 13 mph 57 / 53°F 80% 1031 mb
Low level cloud: 36%
Mid level cloud: 24%
High level cloud: 11%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

13 / 21 mph 56 / 52°F 76% 1030 mb
Low level cloud: 17%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

10 / 15 mph 54 / 51°F 86% 1029 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

5 / 8 mph 47 / 46°F 94% 1030 mb
Low level cloud: 35%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 01
Apr
00:00

WNW
WNW

3 / 5 mph 46 / 46°F 94% 1029 mb
Low level cloud: 49%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

3 / 6 mph 48 / 47°F 85% 1028 mb
Low level cloud: 50%
Mid level cloud: 5%
High level cloud: 17%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

6 / 10 mph 48 / 46°F 76% 1027 mb
Low level cloud: 51%
Mid level cloud: 27%
High level cloud: 10%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

5 / 8 mph 52 / 48°F 75% 1027 mb
Low level cloud: 49%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

7 / 10 mph 53 / 49°F 71% 1026 mb
Low level cloud: 51%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

10 / 12 mph 52 / 48°F 74% 1024 mb
Low level cloud: 49%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

7 / 9 mph 50 / 47°F 89% 1023 mb
Low level cloud: 88%
Mid level cloud: 46%
High level cloud: 11%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

6 / 9 mph 49 / 46°F 90% 1023 mb
Low level cloud: 57%
Mid level cloud: 44%
High level cloud: 63%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 02
Apr
00:00

WSW
WSW

8 / 14 mph 46 / 42°F 93% 1022 mb
Low level cloud: 100%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

7 / 13 mph 44 / 40°F 95% 1020 mb
Low level cloud: 66%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

10 / 15 mph 43 / 37°F 83% 1021 mb
Low level cloud: 71%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

8 / 9 mph 46 / 42°F 74% 1022 mb
Low level cloud: 8%
Mid level cloud: 27%
High level cloud: 8%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

11 / 12 mph 50 / 45°F 67% 1021 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 2%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

11 / 13 mph 52 / 47°F 73% 1020 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 32%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

8 / 9 mph 50 / 47°F 83% 1019 mb
Low level cloud: 19%
Mid level cloud: 45%
High level cloud: 47%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

7 / 8 mph 47 / 44°F 93% 1018 mb
Low level cloud: 82%
Mid level cloud: 46%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 03
Apr
00:00

SW
SW

13 / 18 mph 47 / 42°F 93% 1016 mb
Low level cloud: 54%
Mid level cloud: 90%
High level cloud: 31%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

16 / 28 mph 45 / 39°F 95% 1015 mb
Low level cloud: 79%
Mid level cloud: 94%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

18 / 38 mph 44 / 37°F 95% 1013 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

19 / 32 mph 47 / 40°F 95% 1013 mb
Low level cloud: 100%
Mid level cloud: 94%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

19 / 25 mph 51 / 45°F 96% 1013 mb
Low level cloud: 100%
Mid level cloud: 97%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

19 / 22 mph 52 / 47°F 97% 1012 mb
Low level cloud: 100%
Mid level cloud: 97%
High level cloud: 79%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

19 / 27 mph 51 / 45°F 97% 1011 mb
Low level cloud: 100%
Mid level cloud: 95%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

21 / 39 mph 48 / 41°F 93% 1011 mb
Low level cloud: 93%
Mid level cloud: 97%
High level cloud: 9%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 04
Apr
00:00

SSW
SSW

19 / 32 mph 49 / 43°F 86% 1011 mb
Low level cloud: 2%
Mid level cloud: 41%
High level cloud: 5%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

17 / 31 mph 46 / 39°F 90% 1009 mb
Low level cloud: 19%
Mid level cloud: 5%
High level cloud: 6%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

19 / 31 mph 48 / 42°F 87% 1008 mb
Low level cloud: 60%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

24 / 27 mph 55 / 49°F 83% 1007 mb
Low level cloud: 18%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

26 / 30 mph 60 / 59°F 79% 1005 mb
Low level cloud: 32%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

24 / 28 mph 59 / 54°F 79% 1004 mb
Low level cloud: 65%
Mid level cloud: 25%
High level cloud: 52%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

23 / 27 mph 54 / 48°F 89% 1003 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 55%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

21 / 34 mph 46 / 38°F 84% 1006 mb
Low level cloud: 70%
Mid level cloud: 59%
High level cloud: 95%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 05
Apr
00:00

WSW
WSW

20 / 30 mph 44 / 36°F 79% 1008 mb
Low level cloud: 15%
Mid level cloud: 47%
High level cloud: 32%
Most Significant Cloud Type: medium
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

16 / 27 mph 43 / 35°F 73% 1010 mb
Low level cloud: 17%
Mid level cloud: 100%
High level cloud: 43%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

17 / 30 mph 41 / 33°F 65% 1012 mb
Low level cloud: 18%
Mid level cloud: 60%
High level cloud: 9%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

15 / 17 mph 45 / 38°F 57% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 33%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

13 / 15 mph 48 / 42°F 52% 1017 mb
Low level cloud: 9%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

11 / 13 mph 50 / 45°F 54% 1018 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 80%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

5 / 6 mph 49 / 47°F 63% 1018 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 17%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

7 / 9 mph 46 / 42°F 67% 1018 mb
Low level cloud: 14%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 06
Apr
00:00

ESE
ESE

18 / 28 mph 41 / 33°F 88% 1009 mb
Low level cloud: 100%
Mid level cloud: 87%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
06:00

WSW
WSW

20 / 43 mph 39 / 29°F 80% 1004 mb
Low level cloud: 62%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
67%
0.0 In
12:00

ESE
ESE

15 / 31 mph 49 / 43°F 79% 1009 mb
Low level cloud: 3%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
18:00

SSE
SSE

11 / 22 mph 50 / 46°F 84% 1020 mb
Low level cloud: 45%
Mid level cloud: 45%
High level cloud: 14%
Most Significant Cloud Type: low
62%
0.0 In
Tue 07
Apr
00:00

SW
SW

13 / 28 mph 45 / 39°F 90% 993 mb
Low level cloud: 88%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
97%
0.0 In
06:00

SW
SW

24 / 51 mph 42 / 32°F 77% 1003 mb
Low level cloud: 5%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
0.0 In
12:00

WSW
WSW

34 / 70 mph 46 / 36°F 82% 999 mb
Low level cloud: 81%
Mid level cloud: 100%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.0 In
18:00

WSW
WSW

19 / 39 mph 47 / 40°F 74% 1004 mb
Low level cloud: 13%
Mid level cloud: 14%
High level cloud: 3%
Most Significant Cloud Type: low
18%
0.0 In
Wed 08
Apr
00:00

SSW
SSW

28 / 59 mph 47 / 38°F 91% 1004 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 73%
Most Significant Cloud Type: low
100%
0.2 In
06:00

SSW
SSW

10 / 21 mph 37 / 30°F 87% 1004 mb
Low level cloud: 13%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.1 In
12:00

WSW
WSW

30 / 64 mph 49 / 41°F 84% 1003 mb
Low level cloud: 61%
Mid level cloud: 44%
High level cloud: 3%
Most Significant Cloud Type: low
76%
0.4 In
18:00

SW
SW

22 / 47 mph 52 / 45°F 86% 984 mb
Low level cloud: 82%
Mid level cloud: 61%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.3 In
Thu 09
Apr
00:00

WSW
WSW

25 / 51 mph 49 / 41°F 82% 1012 mb
Low level cloud: 40%
Mid level cloud: 6%
High level cloud: 15%
Most Significant Cloud Type: low
43%
0.1 In
06:00

WNW
WNW

18 / 38 mph 40 / 31°F 89% 981 mb
Low level cloud: 92%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
12:00

WSW
WSW

25 / 53 mph 52 / 46°F 90% 1015 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.1 In
18:00

WNW
WNW

27 / 56 mph 43 / 33°F 79% 994 mb
Low level cloud: 20%
Mid level cloud: 10%
High level cloud: 28%
Most Significant Cloud Type: low
27%
0.3 In
Fri 10
Apr
00:00

SW
SW

35 / 73 mph 49 / 40°F 90% 1009 mb
Low level cloud: 64%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
06:00

NW
NW

28 / 60 mph 42 / 31°F 82% 1007 mb
Low level cloud: 99%
Mid level cloud: 44%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

13 / 28 mph 52 / 48°F 81% 1018 mb
Low level cloud: 3%
Mid level cloud: 68%
High level cloud: 82%
Most Significant Cloud Type: medium
80%
0.0 In
18:00

NNW
NNW

19 / 41 mph 46 / 38°F 75% 1019 mb
Low level cloud: 22%
Mid level cloud: 20%
High level cloud: 1%
Most Significant Cloud Type: low
28%
0.0 In
Sat 11
Apr
00:00

SSW
SSW

15 / 31 mph 50 / 45°F 92% 1014 mb
Low level cloud: 72%
Mid level cloud: 69%
High level cloud: 47%
Most Significant Cloud Type: low
100%
0.1 In
06:00

NNW
NNW

5 / 11 mph 44 / 41°F 88% 1025 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 32%
Most Significant Cloud Type: medium
23%
0.0 In
12:00

SSE
SSE

7 / 15 mph 55 / 53°F 94% 1013 mb
Low level cloud: 89%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
18:00

WSW
WSW

5 / 10 mph 50 / 48°F 91% 1030 mb
Low level cloud: 89%
Mid level cloud: 57%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.0 In
Sun 12
Apr
00:00

SSW
SSW

15 / 32 mph 52 / 47°F 96% 1005 mb
Low level cloud: 98%
Mid level cloud: 28%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.1 In
06:00

WSW
WSW

4 / 9 mph 50 / 48°F 98% 1031 mb
Low level cloud: 94%
Mid level cloud: 91%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
12:00

NW
NW

20 / 42 mph 47 / 39°F 77% 1017 mb
Low level cloud: 91%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
90%
0.0 In
18:00

WNW
WNW

6 / 13 mph 55 / 54°F 91% 1032 mb
Low level cloud: 42%
Mid level cloud: 46%
High level cloud: 18%
Most Significant Cloud Type: low
60%
0.0 In
Mon 13
Apr
00:00

N
N

5 / 11 mph 44 / 40°F 83% 1025 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
06:00

NNE
NNE

5 / 10 mph 47 / 44°F 90% 1031 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 90%
Most Significant Cloud Type: medium
13%
0.0 In
12:00

ESE
ESE

7 / 14 mph 49 / 47°F 62% 1028 mb
Low level cloud: 54%
Mid level cloud: 22%
High level cloud: 31%
Most Significant Cloud Type: low
65%
0.0 In
18:00

W
W

6 / 13 mph 55 / 53°F 79% 1028 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 26%
Most Significant Cloud Type: medium
6%
0.0 In
Tue 14
Apr
00:00

E
E

12 / 25 mph 41 / 35°F 80% 1032 mb
Low level cloud: 2%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
06:00

W
W

2 / 4 mph 47 / 47°F 86% 1025 mb
Low level cloud: 27%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
30%
0.0 In
12:00

E
E

14 / 29 mph 52 / 47°F 61% 1029 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 7%
Most Significant Cloud Type: medium
10%
0.0 In
18:00

NW
NW

8 / 16 mph 54 / 52°F 84% 1024 mb
Low level cloud: 21%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.0 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