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Kemble 14 Day Long Range Forecast

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

Oxfordshire, United Kingdom

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

The forecast for Kemble in the coming two weeks is predicting the average daytime maximum temperature will be around 10°C, with a high for the two weeks of 13°C expected on the afternoon of Wednesday 5th. The average minimum temperature will be 4°C, dipping to its lowest on the morning of Friday 28th at 1°C. The fortnight ahead will have mixed overhead conditions with some days dry and some seeing a significant amount of rain or sleet. It looks like Monday 24th 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
Mon 24
Feb		18:00

SW
SW

 9 / 15 mph 45 / 40°F 90% 1012 mb
Low level cloud: 4%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 11 / 18 mph 43 / 37°F 94% 1012 mb
Low level cloud: 72%
Mid level cloud: 20%
High level cloud: 33%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 25
Feb		00:00

SW
SW

 9 / 14 mph 42 / 37°F 95% 1012 mb
Low level cloud: 68%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 7 / 12 mph 42 / 38°F 95% 1012 mb
Low level cloud: 47%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 6 / 11 mph 41 / 37°F 94% 1012 mb
Low level cloud: 8%
Mid level cloud: 47%
High level cloud: 32%
Most Significant Cloud Type: medium
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 7 / 10 mph 43 / 38°F 85% 1014 mb
Low level cloud: 4%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 12 / 15 mph 47 / 42°F 68% 1015 mb
Low level cloud: 38%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 12 / 17 mph 47 / 42°F 72% 1015 mb
Low level cloud: 8%
Mid level cloud: 14%
High level cloud: 8%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 8 / 15 mph 41 / 36°F 85% 1017 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 7 / 13 mph 38 / 33°F 92% 1018 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 26
Feb		00:00

SW
SW

 7 / 13 mph 37 / 32°F 94% 1019 mb
Low level cloud: 2%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 8 / 15 mph 36 / 30°F 95% 1018 mb
Low level cloud: 12%
Mid level cloud: 8%
High level cloud: 13%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 12 / 20 mph 38 / 31°F 92% 1015 mb
Low level cloud: 21%
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
09:00

SSW
SSW

 14 / 21 mph 42 / 35°F 93% 1013 mb
Low level cloud: 98%
Mid level cloud: 100%
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

WSW
WSW

 10 / 15 mph 43 / 38°F 89% 1011 mb
Low level cloud: 76%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

W
W

 11 / 16 mph 45 / 39°F 84% 1010 mb
Low level cloud: 58%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

W
W

 11 / 20 mph 40 / 34°F 89% 1011 mb
Low level cloud: 8%
Mid level cloud: 77%
High level cloud: 0%
Most Significant Cloud Type: medium
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 13 / 23 mph 38 / 29°F 89% 1013 mb
Low level cloud: 69%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 27
Feb		00:00

WNW
WNW

 18 / 28 mph 40 / 31°F 81% 1014 mb
Low level cloud: 92%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 17 / 27 mph 39 / 30°F 79% 1016 mb
Low level cloud: 93%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 13 / 21 mph 38 / 29°F 83% 1018 mb
Low level cloud: 38%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

 12 / 17 mph 39 / 31°F 83% 1021 mb
Low level cloud: 24%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 14 / 17 mph 45 / 39°F 66% 1022 mb
Low level cloud: 37%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 11 / 15 mph 47 / 42°F 64% 1023 mb
Low level cloud: 14%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 4 / 9 mph 41 / 38°F 79% 1025 mb
Low level cloud: 3%
Mid level cloud: 8%
High level cloud: 6%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 4 / 8 mph 39 / 36°F 87% 1027 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 28
Feb		00:00

NW
NW

 2 / 5 mph 37 / 35°F 89% 1028 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 4 / 8 mph 35 / 32°F 89% 1028 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 2 / 5 mph 34 / 32°F 88% 1029 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 2 / 2 mph 40 / 40°F 76% 1030 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 3 / 4 mph 47 / 45°F 64% 1030 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 4 / 5 mph 48 / 46°F 60% 1029 mb
Low level cloud: 2%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 2 / 3 mph 47 / 46°F 79% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 4 / 7 mph 39 / 37°F 83% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 01
Mar		00:00

SW
SW

 5 / 10 mph 36 / 32°F 85% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 5 / 11 mph 35 / 30°F 88% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: high
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 5 / 11 mph 34 / 29°F 91% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 54%
Most Significant Cloud Type: high
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 8 / 12 mph 39 / 33°F 84% 1032 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 12 / 15 mph 45 / 39°F 79% 1031 mb
Low level cloud: 80%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 11 / 16 mph 44 / 38°F 86% 1031 mb
Low level cloud: 87%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 10 / 15 mph 43 / 38°F 92% 1031 mb
Low level cloud: 75%
Mid level cloud: 1%
High level cloud: 11%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 6 / 9 mph 42 / 39°F 95% 1031 mb
Low level cloud: 40%
Mid level cloud: 15%
High level cloud: 7%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 02
Mar		00:00

WSW
WSW

 6 / 13 mph 39 / 35°F 90% 1031 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 18%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 7 / 13 mph 38 / 33°F 93% 1030 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 32%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 7 / 15 mph 37 / 31°F 94% 1030 mb
Low level cloud: 9%
Mid level cloud: 2%
High level cloud: 33%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 10 / 14 mph 43 / 37°F 87% 1030 mb
Low level cloud: 41%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 16 / 20 mph 49 / 43°F 75% 1029 mb
Low level cloud: 26%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 16 / 21 mph 51 / 46°F 76% 1028 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 13 / 24 mph 44 / 37°F 91% 1028 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 16 / 27 mph 43 / 35°F 93% 1028 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
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 03
Mar		00:00

SSW
SSW

 8 / 12 mph 41 / 35°F 94% 1023 mb
Low level cloud: 10%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
15%
0.0 In
06:00

SW
SW

 11 / 21 mph 38 / 30°F 91% 1023 mb
Low level cloud: 13%
Mid level cloud: 46%
High level cloud: 7%
Most Significant Cloud Type: medium
82%
0.0 In
12:00

WNW
WNW

 13 / 21 mph 47 / 41°F 63% 1025 mb
Low level cloud: 31%
Mid level cloud: 9%
High level cloud: 36%
Most Significant Cloud Type: low
38%
0.0 In
18:00

WSW
WSW

 16 / 26 mph 49 / 44°F 87% 1024 mb
Low level cloud: 66%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.0 In
Tue 04
Mar		00:00

WSW
WSW

 9 / 19 mph 38 / 32°F 92% 1027 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
5%
0.0 In
06:00

SSW
SSW

 5 / 9 mph 40 / 36°F 95% 1028 mb
Low level cloud: 27%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
12:00

SW
SW

 6 / 11 mph 50 / 47°F 83% 1025 mb
Low level cloud: 67%
Mid level cloud: 3%
High level cloud: 28%
Most Significant Cloud Type: low
71%
0.0 In
18:00

SW
SW

 8 / 15 mph 46 / 42°F 88% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Wed 05
Mar		00:00

SW
SW

 9 / 18 mph 41 / 36°F 94% 1026 mb
Low level cloud: 14%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
06:00

SSW
SSW

 5 / 11 mph 41 / 37°F 87% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

SW
SW

 13 / 19 mph 54 / 50°F 70% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
18:00

S
S

 7 / 13 mph 49 / 45°F 91% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 06
Mar		00:00

SW
SW

 6 / 11 mph 44 / 40°F 97% 1021 mb
Low level cloud: 51%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SSE
SSE

 10 / 17 mph 47 / 42°F 89% 1010 mb
Low level cloud: 8%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
12:00

SW
SW

 14 / 22 mph 54 / 49°F 71% 1020 mb
Low level cloud: 14%
Mid level cloud: 7%
High level cloud: 20%
Most Significant Cloud Type: low
18%
0.0 In
18:00

WSW
WSW

 11 / 19 mph 51 / 47°F 90% 1012 mb
Low level cloud: 23%
Mid level cloud: 30%
High level cloud: 37%
Most Significant Cloud Type: low
37%
0.0 In
Fri 07
Mar		00:00

SSW
SSW

 12 / 19 mph 49 / 44°F 88% 1018 mb
Low level cloud: 20%
Mid level cloud: 56%
High level cloud: 0%
Most Significant Cloud Type: low
39%
0.0 In
06:00

NE
NE

 2 / 4 mph 42 / 42°F 89% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
0.0 In
12:00

S
S

 17 / 26 mph 56 / 53°F 70% 1012 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 9%
Most Significant Cloud Type: medium
22%
0.0 In
18:00

SSE
SSE

 15 / 25 mph 43 / 36°F 82% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sat 08
Mar		00:00

SSE
SSE

 20 / 33 mph 51 / 45°F 85% 997 mb
Low level cloud: 3%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: medium
43%
0.0 In
06:00

SSW
SSW

 7 / 13 mph 43 / 38°F 95% 1004 mb
Low level cloud: 29%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
48%
0.1 In
12:00

SW
SW

 17 / 28 mph 42 / 34°F 86% 997 mb
Low level cloud: 81%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
90%
0.1 In
18:00

W
W

 9 / 16 mph 49 / 45°F 93% 998 mb
Low level cloud: 70%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
Sun 09
Mar		00:00

SSW
SSW

 3 / 6 mph 36 / 33°F 100% 992 mb
Low level cloud: 58%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.8 In
06:00

NW
NW

 9 / 17 mph 34 / 27°F 89% 1004 mb
Low level cloud: 17%
Mid level cloud: 90%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
12:00

WSW
WSW

 25 / 46 mph 41 / 31°F 96% 993 mb
Low level cloud: 100%
Mid level cloud: 56%
High level cloud: 6%
Most Significant Cloud Type: low
100%
0.0 In
18:00

WSW
WSW

 10 / 19 mph 41 / 35°F 77% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Mon 10
Mar		00:00

WSW
WSW

 20 / 40 mph 39 / 29°F 86% 996 mb
Low level cloud: 63%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.0 In
06:00

WSW
WSW

 18 / 34 mph 47 / 40°F 94% 998 mb
Low level cloud: 91%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: low
94%
0.3 In
12:00

WSW
WSW

 18 / 36 mph 43 / 35°F 82% 996 mb
Low level cloud: 51%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
66%
0.0 In
18:00

WSW
WSW

 17 / 33 mph 44 / 37°F 89% 993 mb
Low level cloud: 7%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: medium
72%
0.1 In
Tue 11
Mar		00:00

W
W

 16 / 32 mph 36 / 27°F 77% 996 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
06:00

WNW
WNW

 14 / 28 mph 40 / 32°F 87% 995 mb
Low level cloud: 54%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.1 In
12:00

WNW
WNW

 15 / 30 mph 43 / 36°F 82% 1001 mb
Low level cloud: 86%
Mid level cloud: 32%
High level cloud: 48%
Most Significant Cloud Type: low
100%
0.0 In
18:00

WNW
WNW

 18 / 38 mph 43 / 35°F 78% 1008 mb
Low level cloud: 79%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
82%
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