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Bergheim 14 Day Long Range Forecast

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

Germany

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

Taking a look at Bergheim over the coming two weeks and the average daytime maximum temperature will be around 7°C, with a high for the two weeks of 11°C expected on the afternoon of Wednesday 11th. The mean minimum temperature will be 3°C, dipping to its lowest on the morning of Sunday 15th at -2°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain, sleet or snow. Predictions are Wednesday 11th will have the most precipitation with an accumulation of around 16.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 05
Feb
16:00

SE
SE

11 / 15 mph 48 / 43°F 73% 989 mb
Low level cloud: 7%
Mid level cloud: 23%
High level cloud: 16%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ESE
ESE

11 / 17 mph 42 / 35°F 85% 989 mb
Low level cloud: 18%
Mid level cloud: 70%
High level cloud: 15%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

11 / 16 mph 40 / 34°F 83% 988 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 06
Feb
01:00

SE
SE

9 / 13 mph 39 / 33°F 87% 988 mb
Low level cloud: 2%
Mid level cloud: 21%
High level cloud: 98%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

8 / 13 mph 37 / 32°F 85% 988 mb
Low level cloud: 0%
Mid level cloud: 81%
High level cloud: 100%
Most Significant Cloud Type: medium
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

7 / 13 mph 37 / 32°F 82% 990 mb
Low level cloud: 17%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

8 / 13 mph 41 / 35°F 77% 991 mb
Low level cloud: 38%
Mid level cloud: 62%
High level cloud: 98%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

8 / 13 mph 43 / 38°F 75% 992 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
16:00

SE
SE

7 / 11 mph 44 / 40°F 86% 993 mb
Low level cloud: 93%
Mid level cloud: 79%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

5 / 10 mph 42 / 39°F 92% 995 mb
Low level cloud: 80%
Mid level cloud: 75%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

6 / 12 mph 40 / 36°F 91% 997 mb
Low level cloud: 5%
Mid level cloud: 52%
High level cloud: 6%
Most Significant Cloud Type: medium
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 07
Feb
01:00

S
S

5 / 9 mph 44 / 42°F 90% 999 mb
Low level cloud: 69%
Mid level cloud: 45%
High level cloud: 6%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

5 / 10 mph 43 / 40°F 90% 1000 mb
Low level cloud: 2%
Mid level cloud: 10%
High level cloud: 4%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

5 / 9 mph 42 / 39°F 88% 1002 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

3 / 5 mph 44 / 42°F 79% 1004 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 5%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

4 / 5 mph 51 / 49°F 62% 1004 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 17%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

4 / 5 mph 51 / 50°F 64% 1005 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 32%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ESE
ESE

4 / 7 mph 46 / 44°F 77% 1006 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 32%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

6 / 12 mph 43 / 39°F 86% 1007 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 22%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 08
Feb
01:00

SE
SE

4 / 9 mph 41 / 38°F 88% 1008 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

4 / 9 mph 40 / 37°F 90% 1009 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 100%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

6 / 11 mph 38 / 33°F 92% 1009 mb
Low level cloud: 11%
Mid level cloud: 4%
High level cloud: 32%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

9 / 12 mph 41 / 35°F 86% 1011 mb
Low level cloud: 23%
Mid level cloud: 3%
High level cloud: 17%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

9 / 11 mph 47 / 43°F 69% 1011 mb
Low level cloud: 4%
Mid level cloud: 3%
High level cloud: 20%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

9 / 12 mph 48 / 44°F 68% 1010 mb
Low level cloud: 15%
Mid level cloud: 2%
High level cloud: 14%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ESE
ESE

10 / 15 mph 41 / 35°F 84% 1011 mb
Low level cloud: 21%
Mid level cloud: 2%
High level cloud: 17%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

10 / 15 mph 38 / 31°F 80% 1012 mb
Low level cloud: 25%
Mid level cloud: 1%
High level cloud: 15%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 09
Feb
01:00

ESE
ESE

8 / 12 mph 35 / 29°F 86% 1012 mb
Low level cloud: 24%
Mid level cloud: 2%
High level cloud: 20%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

7 / 11 mph 34 / 28°F 88% 1011 mb
Low level cloud: 15%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

7 / 12 mph 33 / 27°F 87% 1011 mb
Low level cloud: 16%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

10 / 13 mph 36 / 29°F 78% 1010 mb
Low level cloud: 4%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

10 / 12 mph 41 / 35°F 67% 1009 mb
Low level cloud: 20%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

9 / 12 mph 42 / 36°F 69% 1008 mb
Low level cloud: 44%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

8 / 13 mph 39 / 33°F 76% 1008 mb
Low level cloud: 82%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

7 / 11 mph 38 / 33°F 78% 1008 mb
Low level cloud: 44%
Mid level cloud: 10%
High level cloud: 33%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 10
Feb
01:00

SE
SE

6 / 9 mph 38 / 33°F 78% 1007 mb
Low level cloud: 98%
Mid level cloud: 70%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

5 / 8 mph 37 / 33°F 80% 1005 mb
Low level cloud: 75%
Mid level cloud: 44%
High level cloud: 9%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

5 / 8 mph 38 / 34°F 81% 1004 mb
Low level cloud: 72%
Mid level cloud: 15%
High level cloud: 38%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

6 / 8 mph 41 / 37°F 78% 1004 mb
Low level cloud: 13%
Mid level cloud: 3%
High level cloud: 17%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

6 / 7 mph 48 / 46°F 61% 1002 mb
Low level cloud: 21%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

5 / 8 mph 49 / 46°F 65% 999 mb
Low level cloud: 29%
Mid level cloud: 45%
High level cloud: 30%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

10 / 15 mph 46 / 40°F 73% 997 mb
Low level cloud: 89%
Mid level cloud: 64%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

13 / 19 mph 45 / 39°F 80% 994 mb
Low level cloud: 88%
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
Wed 11
Feb
01:00

SE
SE

16 / 19 mph 46 / 39°F 91% 988 mb
Low level cloud: 91%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
04:00

S
S

11 / 23 mph 45 / 39°F 88% 984 mb
Low level cloud: 96%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
07:00

WSW
WSW

18 / 38 mph 44 / 37°F 86% 982 mb
Low level cloud: 91%
Mid level cloud: 75%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

WSW
WSW

21 / 38 mph 48 / 41°F 81% 984 mb
Low level cloud: 89%
Mid level cloud: 79%
High level cloud: 73%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

WSW
WSW

21 / 23 mph 51 / 45°F 81% 985 mb
Low level cloud: 85%
Mid level cloud: 72%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

20 / 23 mph 51 / 45°F 80% 986 mb
Low level cloud: 85%
Mid level cloud: 62%
High level cloud: 83%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

SW
SW

16 / 19 mph 49 / 44°F 78% 987 mb
Low level cloud: 10%
Mid level cloud: 48%
High level cloud: 33%
Most Significant Cloud Type: medium
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

14 / 21 mph 47 / 41°F 76% 987 mb
Low level cloud: 13%
Mid level cloud: 46%
High level cloud: 3%
Most Significant Cloud Type: medium
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 12
Feb
01:00

SW
SW

13 / 21 mph 47 / 42°F 83% 986 mb
Low level cloud: 96%
Mid level cloud: 100%
High level cloud: 66%
Most Significant Cloud Type: low
100%
0.0 In
07:00

N
N

8 / 13 mph 39 / 33°F 96% 997 mb
Low level cloud: 100%
Mid level cloud: 53%
High level cloud: 74%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNE
NNE

14 / 17 mph 31 / 21°F 72% 1003 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

ENE
ENE

2 / 3 mph 47 / 47°F 94% 996 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Fri 13
Feb
01:00

N
N

6 / 7 mph 36 / 31°F 84% 1002 mb
Low level cloud: 85%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NNW
NNW

5 / 6 mph 41 / 38°F 90% 994 mb
Low level cloud: 94%
Mid level cloud: 59%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SSW
SSW

15 / 21 mph 51 / 46°F 59% 996 mb
Low level cloud: 0%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: medium
96%
0.0 In
19:00

W
W

18 / 28 mph 40 / 31°F 94% 996 mb
Low level cloud: 97%
Mid level cloud: 98%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Sat 14
Feb
01:00

SSW
SSW

6 / 10 mph 49 / 47°F 91% 986 mb
Low level cloud: 15%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.1 In
07:00

W
W

15 / 24 mph 33 / 23°F 93% 996 mb
Low level cloud: 87%
Mid level cloud: 73%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SW
SW

15 / 24 mph 50 / 45°F 67% 986 mb
Low level cloud: 29%
Mid level cloud: 19%
High level cloud: 1%
Most Significant Cloud Type: low
35%
0.2 In
19:00

WNW
WNW

16 / 29 mph 36 / 27°F 82% 1004 mb
Low level cloud: 74%
Mid level cloud: 76%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.1 In
Sun 15
Feb
01:00

SW
SW

15 / 26 mph 44 / 37°F 81% 987 mb
Low level cloud: 93%
Mid level cloud: 64%
High level cloud: 63%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NW
NW

6 / 12 mph 31 / 24°F 93% 1012 mb
Low level cloud: 68%
Mid level cloud: 6%
High level cloud: 3%
Most Significant Cloud Type: low
69%
0.1 In
13:00

WSW
WSW

19 / 35 mph 47 / 39°F 65% 988 mb
Low level cloud: 47%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
65%
0.1 In
19:00

NNW
NNW

1 / 3 mph 44 / 44°F 72% 1016 mb
Low level cloud: 4%
Mid level cloud: 11%
High level cloud: 22%
Most Significant Cloud Type: medium
22%
0.0 In
Mon 16
Feb
01:00

WSW
WSW

14 / 26 mph 37 / 29°F 83% 992 mb
Low level cloud: 86%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
95%
0.0 In
07:00

WSW
WSW

2 / 4 mph 31 / 30°F 78% 1017 mb
Low level cloud: 99%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

W
W

20 / 37 mph 42 / 33°F 72% 1005 mb
Low level cloud: 41%
Mid level cloud: 48%
High level cloud: 1%
Most Significant Cloud Type: low
57%
0.2 In
19:00

NE
NE

10 / 20 mph 32 / 24°F 76% 1015 mb
Low level cloud: 35%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
43%
0.0 In
Tue 17
Feb
01:00

WSW
WSW

13 / 24 mph 35 / 26°F 83% 1011 mb
Low level cloud: 1%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.0 In
07:00

NE
NE

9 / 17 mph 27 / 19°F 67% 1011 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

W
W

15 / 28 mph 39 / 30°F 77% 1017 mb
Low level cloud: 94%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
98%
0.0 In
19:00

NNE
NNE

11 / 21 mph 30 / 21°F 62% 1011 mb
Low level cloud: 20%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.0 In
Wed 18
Feb
01:00

W
W

7 / 13 mph 34 / 28°F 93% 1021 mb
Low level cloud: 33%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
41%
0.0 In
07:00

N
N

11 / 20 mph 24 / 14°F 80% 1017 mb
Low level cloud: 83%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.0 In
13:00

NW
NW

9 / 17 mph 45 / 40°F 54% 1028 mb
Low level cloud: 10%
Mid level cloud: 6%
High level cloud: 7%
Most Significant Cloud Type: low
12%
0.0 In
19:00

NE
NE

9 / 17 mph 32 / 24°F 69% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 19
Feb
01:00

SW
SW

7 / 14 mph 35 / 28°F 82% 1031 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 5%
Most Significant Cloud Type: medium
45%
0.0 In
07:00

SE
SE

5 / 10 mph 29 / 23°F 80% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

WSW
WSW

15 / 30 mph 43 / 36°F 47% 1027 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 70%
Most Significant Cloud Type: medium
13%
0.0 In
19:00

SE
SE

8 / 15 mph 35 / 28°F 55% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.0 In
Fri 20
Feb
01:00

SW
SW

7 / 15 mph 40 / 35°F 62% 1022 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 58%
Most Significant Cloud Type: medium
30%
0.0 In
07:00

SSE
SSE

6 / 11 mph 32 / 26°F 61% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

WSW
WSW

12 / 24 mph 51 / 46°F 40% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: high
11%
0.0 In
19:00

S
S

6 / 11 mph 41 / 37°F 72% 1029 mb
Low level cloud: 2%
Mid level cloud: 6%
High level cloud: 9%
Most Significant Cloud Type: low
5%
0.0 In

Other Locations Near to Bergheim

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