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Big Bear Lake 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Big Bear Lake

California, United States Of America

Long range weather outlook for Big Bear Lake includes 14 day forecast summary:

Reviewing the forecast for Big Bear Lake Over the next 14 days and the average daytime maximum temperature will be around 11°C, with a high for the two weeks of 13°C expected on the afternoon of Thursday 15th. The average minimum temperature will be 6°C, dipping to its lowest on the morning of Monday 19th at 1°C. The next 14 days will remain predominantly dry. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 14
Nov
01:00

ENE
ENE

9 / 17 mph 40 / 34°F 19% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

ENE
ENE

9 / 17 mph 40 / 35°F 18% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

ENE
ENE

9 / 16 mph 41 / 35°F 20% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 83%
Most Significant Cloud Type: high
82%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

ENE
ENE

9 / 11 mph 48 / 44°F 15% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 41%
Most Significant Cloud Type: high
41%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

ENE
ENE

8 / 10 mph 52 / 48°F 14% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

NE
NE

6 / 7 mph 52 / 49°F 17% 1023 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
19:00

NE
NE

6 / 7 mph 50 / 47°F 22% 1023 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
22:00

NE
NE

7 / 9 mph 47 / 44°F 24% 1023 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 15
Nov
16:00

NE
NE

2 / 3 mph 51 / 51°F 26% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 81%
Most Significant Cloud Type: high
80%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

E
E

3 / 5 mph 48 / 47°F 30% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 92%
Most Significant Cloud Type: high
92%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

ENE
ENE

2 / 5 mph 47 / 47°F 32% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 96%
Most Significant Cloud Type: high
96%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 16
Nov
01:00

ENE
ENE

3 / 5 mph 46 / 45°F 33% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 97%
Most Significant Cloud Type: high
97%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

ENE
ENE

3 / 6 mph 45 / 44°F 34% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 90%
Most Significant Cloud Type: high
90%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

E
E

4 / 7 mph 45 / 43°F 33% 1017 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 95%
Most Significant Cloud Type: high
94%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

SSW
SSW

2 / 3 mph 52 / 51°F 22% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 58%
Most Significant Cloud Type: medium
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

WSW
WSW

4 / 5 mph 54 / 53°F 20% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 80%
Most Significant Cloud Type: medium
6%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

W
W

4 / 6 mph 51 / 49°F 23% 1014 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 58%
Most Significant Cloud Type: medium
6%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

NNW
NNW

1 / 2 mph 48 / 48°F 31% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 12%
Most Significant Cloud Type: medium
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

E
E

0 / 0 mph 46 / 46°F 33% 1017 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 17
Nov
01:00

ENE
ENE

1 / 2 mph 44 / 44°F 33% 1016 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

NE
NE

2 / 3 mph 43 / 43°F 32% 1016 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 11%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

E
E

3 / 5 mph 44 / 42°F 33% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: medium
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

S
S

2 / 3 mph 51 / 51°F 20% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 52%
Most Significant Cloud Type: medium
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

WSW
WSW

5 / 6 mph 53 / 51°F 19% 1016 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 32%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

W
W

3 / 5 mph 51 / 50°F 24% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 6%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

N
N

1 / 2 mph 47 / 47°F 34% 1017 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 46%
Most Significant Cloud Type: medium
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

ENE
ENE

2 / 3 mph 45 / 45°F 35% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 95%
Most Significant Cloud Type: medium
6%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sun 18
Nov
01:00

NE
NE

4 / 6 mph 44 / 42°F 31% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 97%
Most Significant Cloud Type: medium
5%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

NE
NE

5 / 8 mph 44 / 41°F 31% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 97%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

ENE
ENE

6 / 10 mph 44 / 40°F 34% 1020 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

ENE
ENE

6 / 8 mph 49 / 46°F 25% 1021 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 91%
Most Significant Cloud Type: medium
12%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

NE
NE

4 / 6 mph 51 / 49°F 22% 1019 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 86%
Most Significant Cloud Type: medium
23%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

NE
NE

5 / 7 mph 48 / 46°F 25% 1018 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 75%
Most Significant Cloud Type: medium
22%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

NE
NE

6 / 10 mph 44 / 41°F 33% 1020 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 33%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

NE
NE

5 / 10 mph 43 / 39°F 38% 1020 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 68%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 19
Nov
01:00

NE
NE

6 / 10 mph 42 / 38°F 39% 1020 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 83%
Most Significant Cloud Type: medium
16%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

NE
NE

6 / 11 mph 41 / 37°F 39% 1019 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 75%
Most Significant Cloud Type: medium
25%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

NE
NE

6 / 11 mph 41 / 37°F 43% 1021 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 35%
Most Significant Cloud Type: medium
24%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

NE
NE

5 / 7 mph 47 / 45°F 30% 1021 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 10%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

NE
NE

4 / 4 mph 51 / 49°F 26% 1018 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 95%
Most Significant Cloud Type: medium
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

NE
NE

4 / 6 mph 47 / 46°F 30% 1018 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 95%
Most Significant Cloud Type: medium
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

ENE
ENE

6 / 9 mph 44 / 41°F 34% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 95%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

ENE
ENE

6 / 11 mph 43 / 39°F 34% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 71%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 20
Nov
01:00

ENE
ENE

5 / 9 mph 42 / 39°F 33% 1018 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 93%
Most Significant Cloud Type: medium
13%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

ENE
ENE

5 / 9 mph 42 / 38°F 32% 1018 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 97%
Most Significant Cloud Type: medium
12%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

ENE
ENE

5 / 10 mph 43 / 39°F 29% 1018 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 97%
Most Significant Cloud Type: medium
47%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

E
E

3 / 4 mph 47 / 46°F 20% 1018 mb
Low level cloud: 0%
Mid level cloud: 91%
High level cloud: 97%
Most Significant Cloud Type: medium
94%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

ENE
ENE

1 / 2 mph 49 / 49°F 21% 1016 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 97%
Most Significant Cloud Type: medium
48%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

NNE
NNE

1 / 2 mph 47 / 46°F 25% 1016 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 77%
Most Significant Cloud Type: medium
49%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

NE
NE

3 / 5 mph 44 / 43°F 33% 1017 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 33%
Most Significant Cloud Type: medium
23%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

ENE
ENE

3 / 5 mph 43 / 41°F 36% 1018 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 7%
Most Significant Cloud Type: medium
13%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 21
Nov
04:00

NE
NE

4 / 6 mph 39 / 36°F 60% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.00 In
10:00

NE
NE

1 / 1 mph 49 / 49°F 30% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.00 In
16:00

SW
SW

5 / 6 mph 52 / 50°F 24% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.00 In
22:00

SSW
SSW

6 / 7 mph 43 / 40°F 60% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 80%
Most Significant Cloud Type: medium
7%
0.00 In
Thu 22
Nov
04:00

SSW
SSW

8 / 13 mph 35 / 28°F 82% 1018 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
0.00 In
10:00

SW
SW

7 / 9 mph 45 / 42°F 37% 1019 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.00 In
16:00

WNW
WNW

4 / 5 mph 53 / 52°F 27% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
22:00

NE
NE

2 / 3 mph 49 / 49°F 26% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
Fri 23
Nov
04:00

ENE
ENE

4 / 9 mph 42 / 39°F 28% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
5%
0.00 In
10:00

E
E

3 / 4 mph 53 / 53°F 15% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 34%
Most Significant Cloud Type: high
33%
0.00 In
16:00

SE
SE

4 / 6 mph 50 / 50°F 24% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 78%
Most Significant Cloud Type: high
78%
0.00 In
22:00

SSE
SSE

3 / 4 mph 49 / 49°F 25% 1014 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 74%
Most Significant Cloud Type: medium
4%
0.00 In
Sat 24
Nov
04:00

SE
SE

2 / 4 mph 45 / 44°F 32% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 97%
Most Significant Cloud Type: high
97%
0.00 In
10:00

WSW
WSW

3 / 4 mph 48 / 47°F 16% 1013 mb
Low level cloud: 0%
Mid level cloud: 98%
High level cloud: 84%
Most Significant Cloud Type: medium
100%
0.00 In
16:00

SSW
SSW

5 / 10 mph 51 / 50°F 22% 1013 mb
Low level cloud: 0%
Mid level cloud: 53%
High level cloud: 33%
Most Significant Cloud Type: medium
54%
0.00 In
22:00

W
W

4 / 8 mph 47 / 46°F 41% 1012 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 9%
Most Significant Cloud Type: medium
21%
0.03 In
Sun 25
Nov
04:00

WSW
WSW

5 / 10 mph 44 / 41°F 45% 1015 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 32%
Most Significant Cloud Type: medium
17%
0.03 In
10:00

WSW
WSW

5 / 9 mph 48 / 46°F 47% 1015 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: medium
16%
0.00 In
16:00

WSW
WSW

7 / 15 mph 51 / 48°F 51% 1014 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 74%
Most Significant Cloud Type: medium
26%
0.00 In
22:00

SW
SW

2 / 3 mph 48 / 48°F 80% 1015 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 64%
Most Significant Cloud Type: medium
12%
0.00 In
Mon 26
Nov
04:00

WSW
WSW

6 / 11 mph 45 / 41°F 88% 1016 mb
Low level cloud: 15%
Mid level cloud: 41%
High level cloud: 42%
Most Significant Cloud Type: low
34%
0.00 In
10:00

SE
SE

2 / 4 mph 48 / 48°F 61% 1016 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 68%
Most Significant Cloud Type: medium
15%
0.00 In
16:00

WSW
WSW

10 / 20 mph 47 / 42°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 45%
Most Significant Cloud Type: medium
47%
0.01 In
22:00

WSW
WSW

3 / 5 mph 47 / 47°F 83% 1015 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 61%
Most Significant Cloud Type: medium
23%
0.00 In
Tue 27
Nov
04:00

W
W

8 / 16 mph 42 / 37°F 93% 1017 mb
Low level cloud: 50%
Mid level cloud: 14%
High level cloud: 86%
Most Significant Cloud Type: low
65%
0.02 In
10:00

SW
SW

6 / 11 mph 45 / 42°F 69% 1016 mb
Low level cloud: 0%
Mid level cloud: 34%
High level cloud: 2%
Most Significant Cloud Type: medium
34%
0.01 In
16:00

WSW
WSW

10 / 20 mph 46 / 42°F 82% 1014 mb
Low level cloud: 15%
Mid level cloud: 69%
High level cloud: 71%
Most Significant Cloud Type: medium
100%
0.03 In
22:00

SSW
SSW

9 / 18 mph 40 / 34°F 90% 1013 mb
Low level cloud: 47%
Mid level cloud: 44%
High level cloud: 71%
Most Significant Cloud Type: low
70%
0.03 In
Wed 28
Nov
04:00

WSW
WSW

13 / 27 mph 41 / 34°F 92% 1015 mb
Low level cloud: 59%
Mid level cloud: 30%
High level cloud: 4%
Most Significant Cloud Type: low
70%
0.06 In
10:00

SSW
SSW

8 / 17 mph 37 / 31°F 92% 1008 mb
Low level cloud: 66%
Mid level cloud: 84%
High level cloud: 71%
Most Significant Cloud Type: low
100%
0.56 In
16:00

W
W

13 / 26 mph 47 / 42°F 58% 1014 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 5%
Most Significant Cloud Type: medium
13%
0.01 In
22:00

NW
NW

9 / 20 mph 34 / 26°F 94% 1007 mb
Low level cloud: 62%
Mid level cloud: 61%
High level cloud: 34%
Most Significant Cloud Type: low
87%
0.76 In
Thu 29
Nov
04:00

NNW
NNW

7 / 15 mph 41 / 36°F 40% 1019 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.00 In
10:00

NNE
NNE

6 / 12 mph 41 / 37°F 76% 1013 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 1%
Most Significant Cloud Type: medium
31%
0.24 In
16:00

NNE
NNE

4 / 8 mph 50 / 49°F 32% 1019 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.00 In
22:00

NW
NW

7 / 14 mph 43 / 39°F 73% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
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