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Clough Dene 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Clough Dene

County Durham, United Kingdom

Long range weather outlook for Clough Dene includes 14 day forecast summary:

Taking a look at Clough Dene over the coming two weeks and the average daytime maximum temperature will be around 5°C, with a high for the two weeks of 9°C expected on the afternoon of Tuesday 18th. The average minimum temperature will be 2°C, dipping to its lowest on the morning of Saturday 15th at 0°C. Expect the next 14 days have some days seeing a little precipitation and some days with rain or snow. The current forecast indicates Sunday 16th 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 morning of Sunday 16th, coming from a south westerly direction, and reaching around 33mph.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 12
Dec
18:00

SSE
SSE

14 / 17 mph 40 / 32°F 83% 1021 mb
Low level cloud: 14%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SSE
SSE

14 / 17 mph 39 / 31°F 77% 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
Thu 13
Dec
00:00

SSE
SSE

12 / 17 mph 37 / 30°F 81% 1019 mb
Low level cloud: 56%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SSE
SSE

11 / 18 mph 36 / 29°F 84% 1018 mb
Low level cloud: 53%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SE
SE

13 / 25 mph 35 / 27°F 81% 1018 mb
Low level cloud: 68%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSE
SSE

12 / 19 mph 38 / 30°F 80% 1019 mb
Low level cloud: 82%
Mid level cloud: 0%
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

SSE
SSE

15 / 22 mph 40 / 32°F 75% 1019 mb
Low level cloud: 78%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
78%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SE
SE

10 / 14 mph 41 / 35°F 78% 1020 mb
Low level cloud: 45%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SE
SE

8 / 11 mph 40 / 35°F 86% 1021 mb
Low level cloud: 44%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SE
SE

7 / 10 mph 39 / 33°F 87% 1022 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 14
Dec
00:00

S
S

5 / 10 mph 34 / 30°F 87% 1024 mb
Low level cloud: 50%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SE
SE

6 / 12 mph 34 / 28°F 87% 1024 mb
Low level cloud: 11%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

S
S

5 / 11 mph 33 / 28°F 88% 1024 mb
Low level cloud: 21%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSE
SSE

5 / 9 mph 34 / 29°F 89% 1025 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SE
SE

11 / 19 mph 37 / 29°F 74% 1024 mb
Low level cloud: 28%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: low
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SSE
SSE

9 / 13 mph 38 / 31°F 76% 1023 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: low
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SSE
SSE

10 / 12 mph 37 / 30°F 85% 1022 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 59%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SSE
SSE

11 / 15 mph 35 / 27°F 80% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 82%
Most Significant Cloud Type: high
81%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 15
Dec
00:00

SSE
SSE

14 / 20 mph 34 / 25°F 76% 1021 mb
Low level cloud: 0%
Mid level cloud: 37%
High level cloud: 95%
Most Significant Cloud Type: medium
40%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SSE
SSE

14 / 22 mph 33 / 23°F 78% 1020 mb
Low level cloud: 5%
Mid level cloud: 3%
High level cloud: 81%
Most Significant Cloud Type: medium
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SSE
SSE

16 / 27 mph 32 / 21°F 80% 1018 mb
Low level cloud: 15%
Mid level cloud: 13%
High level cloud: 84%
Most Significant Cloud Type: low
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSE
SSE

16 / 23 mph 34 / 24°F 81% 1016 mb
Low level cloud: 59%
Mid level cloud: 43%
High level cloud: 97%
Most Significant Cloud Type: low
86%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SE
SE

19 / 25 mph 37 / 27°F 72% 1014 mb
Low level cloud: 7%
Mid level cloud: 23%
High level cloud: 32%
Most Significant Cloud Type: medium
44%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SE
SE

21 / 25 mph 38 / 28°F 67% 1009 mb
Low level cloud: 0%
Mid level cloud: 86%
High level cloud: 99%
Most Significant Cloud Type: medium
89%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SE
SE

19 / 22 mph 37 / 27°F 87% 1005 mb
Low level cloud: 82%
Mid level cloud: 74%
High level cloud: 95%
Most Significant Cloud Type: low
100%
Expect 0.24 In of precipitation over the past 3 hours.
0.24 In
21:00

SE
SE

21 / 33 mph 35 / 24°F 90% 999 mb
Low level cloud: 92%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
Sun 16
Dec
00:00

SE
SE

18 / 27 mph 40 / 30°F 98% 992 mb
Low level cloud: 96%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.38 In of precipitation over the past 3 hours.
0.38 In
03:00

SE
SE

19 / 40 mph 38 / 28°F 94% 984 mb
Low level cloud: 92%
Mid level cloud: 78%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.07 In of precipitation over the past 3 hours.
0.07 In
06:00

SSE
SSE

15 / 31 mph 37 / 28°F 93% 981 mb
Low level cloud: 71%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
09:00

SW
SW

33 / 66 mph 40 / 28°F 77% 984 mb
Low level cloud: 22%
Mid level cloud: 71%
High level cloud: 17%
Most Significant Cloud Type: medium
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

WSW
WSW

32 / 48 mph 43 / 32°F 71% 991 mb
Low level cloud: 53%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: low
92%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

WSW
WSW

19 / 26 mph 44 / 36°F 72% 997 mb
Low level cloud: 6%
Mid level cloud: 51%
High level cloud: 100%
Most Significant Cloud Type: medium
73%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SW
SW

13 / 18 mph 43 / 36°F 78% 1002 mb
Low level cloud: 1%
Mid level cloud: 8%
High level cloud: 20%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SW
SW

10 / 14 mph 41 / 35°F 85% 1004 mb
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 16%
Most Significant Cloud Type: medium
33%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 17
Dec
00:00

SSW
SSW

8 / 15 mph 38 / 32°F 88% 1006 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 18%
Most Significant Cloud Type: medium
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SSW
SSW

7 / 15 mph 36 / 30°F 89% 1007 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 17%
Most Significant Cloud Type: medium
47%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SW
SW

7 / 14 mph 35 / 30°F 89% 1009 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 6%
Most Significant Cloud Type: medium
31%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSW
SSW

6 / 12 mph 38 / 33°F 89% 1010 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 1%
Most Significant Cloud Type: medium
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SSW
SSW

6 / 9 mph 40 / 36°F 85% 1011 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 58%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SSE
SSE

7 / 10 mph 42 / 37°F 88% 1011 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 90%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SSE
SSE

12 / 15 mph 40 / 33°F 88% 1010 mb
Low level cloud: 9%
Mid level cloud: 43%
High level cloud: 99%
Most Significant Cloud Type: medium
71%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SSE
SSE

18 / 32 mph 38 / 29°F 89% 1007 mb
Low level cloud: 51%
Mid level cloud: 90%
High level cloud: 99%
Most Significant Cloud Type: low
94%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 18
Dec
00:00

SSE
SSE

23 / 34 mph 42 / 33°F 89% 1004 mb
Low level cloud: 93%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
03:00

SSE
SSE

21 / 44 mph 41 / 31°F 90% 1000 mb
Low level cloud: 93%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
06:00

SSE
SSE

22 / 46 mph 39 / 29°F 86% 997 mb
Low level cloud: 89%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
09:00

SSE
SSE

26 / 55 mph 43 / 33°F 84% 994 mb
Low level cloud: 89%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
12:00

SSE
SSE

28 / 43 mph 46 / 37°F 83% 993 mb
Low level cloud: 89%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
15:00

SSW
SSW

7 / 8 mph 48 / 45°F 91% 992 mb
Low level cloud: 34%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: low
80%
Expect 0.16 In of precipitation over the past 3 hours.
0.16 In
18:00

SSW
SSW

7 / 8 mph 47 / 44°F 89% 992 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
21:00

S
S

8 / 10 mph 44 / 39°F 91% 993 mb
Low level cloud: 7%
Mid level cloud: 22%
High level cloud: 1%
Most Significant Cloud Type: medium
40%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 19
Dec
00:00

SSW
SSW

7 / 11 mph 43 / 39°F 92% 992 mb
Low level cloud: 18%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
45%
0.01 In
06:00

SSW
SSW

13 / 26 mph 39 / 31°F 80% 1000 mb
Low level cloud: 1%
Mid level cloud: 86%
High level cloud: 16%
Most Significant Cloud Type: medium
88%
0.00 In
12:00

SSW
SSW

8 / 13 mph 40 / 35°F 84% 993 mb
Low level cloud: 5%
Mid level cloud: 18%
High level cloud: 5%
Most Significant Cloud Type: medium
31%
0.00 In
18:00

SE
SE

11 / 17 mph 41 / 35°F 90% 988 mb
Low level cloud: 64%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.04 In
Thu 20
Dec
00:00

SSW
SSW

7 / 14 mph 40 / 35°F 89% 978 mb
Low level cloud: 10%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.03 In
06:00

N
N

6 / 10 mph 41 / 37°F 97% 984 mb
Low level cloud: 90%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.00 In
12:00

SW
SW

13 / 23 mph 43 / 37°F 79% 995 mb
Low level cloud: 41%
Mid level cloud: 14%
High level cloud: 74%
Most Significant Cloud Type: low
55%
0.18 In
18:00

NNE
NNE

7 / 8 mph 44 / 41°F 97% 997 mb
Low level cloud: 75%
Mid level cloud: 17%
High level cloud: 33%
Most Significant Cloud Type: low
84%
0.00 In
Fri 21
Dec
00:00

E
E

5 / 8 mph 40 / 36°F 96% 1002 mb
Low level cloud: 78%
Mid level cloud: 8%
High level cloud: 13%
Most Significant Cloud Type: low
82%
0.00 In
06:00

NNW
NNW

10 / 19 mph 39 / 33°F 96% 1006 mb
Low level cloud: 89%
Mid level cloud: 9%
High level cloud: 2%
Most Significant Cloud Type: low
92%
0.00 In
12:00

N
N

4 / 6 mph 42 / 40°F 94% 1007 mb
Low level cloud: 60%
Mid level cloud: 6%
High level cloud: 10%
Most Significant Cloud Type: low
62%
0.00 In
18:00

NNW
NNW

10 / 12 mph 43 / 38°F 88% 1012 mb
Low level cloud: 66%
Mid level cloud: 6%
High level cloud: 4%
Most Significant Cloud Type: low
69%
0.00 In
Sat 22
Dec
00:00

NNE
NNE

9 / 15 mph 38 / 32°F 90% 1011 mb
Low level cloud: 45%
Mid level cloud: 20%
High level cloud: 13%
Most Significant Cloud Type: low
53%
0.02 In
06:00

NW
NW

8 / 13 mph 37 / 31°F 94% 1016 mb
Low level cloud: 44%
Mid level cloud: 11%
High level cloud: 74%
Most Significant Cloud Type: low
57%
0.00 In
12:00

NNW
NNW

9 / 12 mph 40 / 35°F 87% 1017 mb
Low level cloud: 15%
Mid level cloud: 25%
High level cloud: 33%
Most Significant Cloud Type: low
28%
0.00 In
18:00

NNW
NNW

6 / 7 mph 48 / 45°F 90% 1022 mb
Low level cloud: 4%
Mid level cloud: 6%
High level cloud: 9%
Most Significant Cloud Type: low
7%
0.00 In
Sun 23
Dec
00:00

NNW
NNW

12 / 19 mph 37 / 29°F 86% 1022 mb
Low level cloud: 22%
Mid level cloud: 29%
High level cloud: 4%
Most Significant Cloud Type: low
32%
0.01 In
06:00

WSW
WSW

7 / 10 mph 38 / 32°F 91% 1024 mb
Low level cloud: 5%
Mid level cloud: 6%
High level cloud: 38%
Most Significant Cloud Type: low
12%
0.00 In
12:00

N
N

11 / 17 mph 39 / 32°F 81% 1028 mb
Low level cloud: 21%
Mid level cloud: 21%
High level cloud: 2%
Most Significant Cloud Type: low
28%
0.02 In
18:00

WNW
WNW

11 / 14 mph 42 / 35°F 88% 1023 mb
Low level cloud: 2%
Mid level cloud: 17%
High level cloud: 17%
Most Significant Cloud Type: medium
23%
0.04 In
Mon 24
Dec
00:00

WNW
WNW

9 / 11 mph 36 / 29°F 87% 1031 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 11%
Most Significant Cloud Type: medium
5%
0.00 In
06:00

WSW
WSW

6 / 10 mph 41 / 37°F 94% 1025 mb
Low level cloud: 51%
Mid level cloud: 43%
High level cloud: 32%
Most Significant Cloud Type: low
70%
0.01 In
12:00

W
W

13 / 22 mph 39 / 31°F 85% 1028 mb
Low level cloud: 27%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
46%
0.00 In
18:00

WSW
WSW

7 / 9 mph 45 / 41°F 94% 1028 mb
Low level cloud: 25%
Mid level cloud: 7%
High level cloud: 21%
Most Significant Cloud Type: low
29%
0.01 In
Tue 25
Dec
00:00

WNW
WNW

14 / 24 mph 41 / 34°F 89% 1025 mb
Low level cloud: 5%
Mid level cloud: 22%
High level cloud: 40%
Most Significant Cloud Type: medium
37%
0.04 In
06:00

WSW
WSW

9 / 14 mph 38 / 31°F 95% 1026 mb
Low level cloud: 58%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
58%
0.00 In
12:00

WNW
WNW

16 / 27 mph 43 / 35°F 81% 1025 mb
Low level cloud: 4%
Mid level cloud: 11%
High level cloud: 29%
Most Significant Cloud Type: low
11%
0.00 In
18:00

SSW
SSW

12 / 18 mph 41 / 35°F 92% 1021 mb
Low level cloud: 39%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
42%
0.00 In
Wed 26
Dec
00:00

WNW
WNW

13 / 22 mph 39 / 31°F 88% 1028 mb
Low level cloud: 20%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
20%
0.00 In
06:00

S
S

13 / 25 mph 37 / 29°F 92% 1012 mb
Low level cloud: 53%
Mid level cloud: 9%
High level cloud: 3%
Most Significant Cloud Type: low
56%
0.00 In
12:00

NW
NW

10 / 14 mph 42 / 36°F 84% 1034 mb
Low level cloud: 28%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.00 In
18:00

SSE
SSE

12 / 17 mph 41 / 34°F 91% 1007 mb
Low level cloud: 67%
Mid level cloud: 44%
High level cloud: 70%
Most Significant Cloud Type: low
91%
0.01 In
Thu 27
Dec
00:00

WSW
WSW

8 / 11 mph 41 / 36°F 89% 1037 mb
Low level cloud: 1%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.00 In
06:00

SSW
SSW

7 / 10 mph 37 / 31°F 94% 1009 mb
Low level cloud: 77%
Mid level cloud: 43%
High level cloud: 6%
Most Significant Cloud Type: low
92%
0.10 In
12:00

W
W

14 / 23 mph 43 / 37°F 87% 1035 mb
Low level cloud: 25%
Mid level cloud: 50%
High level cloud: 40%
Most Significant Cloud Type: low
47%
0.00 In
18:00

S
S

20 / 24 mph 39 / 30°F 83% 997 mb
Low level cloud: 5%
Mid level cloud: 44%
High level cloud: 63%
Most Significant Cloud Type: medium
60%
0.00 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