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Hidden Valley 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Hidden Valley

New Jersey, United States Of America

Long range weather outlook for Hidden Valley includes 14 day forecast summary:

Taking a look at Hidden Valley over the coming two weeks and the average daytime maximum temperature will be around 2°C, with a high for the two weeks of 5°C expected on the afternoon of Thursday 27th. The mean minimum temperature will be -4°C, dipping to its lowest on the morning of Friday 5th at -12°C. Expect the next 14 days have some days seeing a little precipitation and some days with rain, sleet or snow. The indicators are that Tuesday 2nd will have the most precipitation with an accumulation of around 25.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 27
Nov
16:00

W
W

11 / 16 mph 38 / 30°F 52% 1012 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 29%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

11 / 17 mph 34 / 26°F 61% 1013 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 22%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

11 / 16 mph 32 / 23°F 68% 1012 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 28
Nov
01:00

WSW
WSW

11 / 17 mph 30 / 20°F 72% 1011 mb
Low level cloud: 10%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

12 / 17 mph 29 / 19°F 69% 1011 mb
Low level cloud: 14%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

13 / 19 mph 28 / 17°F 68% 1011 mb
Low level cloud: 9%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

16 / 19 mph 34 / 24°F 52% 1012 mb
Low level cloud: 12%
Mid level cloud: 16%
High level cloud: 1%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

17 / 19 mph 39 / 29°F 46% 1012 mb
Low level cloud: 4%
Mid level cloud: 47%
High level cloud: 49%
Most Significant Cloud Type: medium
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

15 / 21 mph 35 / 26°F 58% 1014 mb
Low level cloud: 15%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

15 / 24 mph 32 / 22°F 55% 1018 mb
Low level cloud: 54%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

14 / 22 mph 30 / 20°F 61% 1020 mb
Low level cloud: 5%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 29
Nov
01:00

W
W

14 / 21 mph 30 / 19°F 62% 1022 mb
Low level cloud: 6%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

13 / 20 mph 29 / 19°F 63% 1025 mb
Low level cloud: 1%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

9 / 14 mph 29 / 20°F 69% 1028 mb
Low level cloud: 5%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

12 / 14 mph 34 / 25°F 55% 1030 mb
Low level cloud: 32%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

9 / 11 mph 39 / 32°F 42% 1030 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
16:00

NW
NW

4 / 6 mph 37 / 34°F 52% 1031 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

1 / 2 mph 31 / 31°F 61% 1032 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 98%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

2 / 3 mph 32 / 31°F 59% 1031 mb
Low level cloud: 0%
Mid level cloud: 56%
High level cloud: 33%
Most Significant Cloud Type: medium
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 30
Nov
01:00

SE
SE

3 / 4 mph 31 / 29°F 62% 1030 mb
Low level cloud: 0%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: medium
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

7 / 11 mph 33 / 27°F 53% 1028 mb
Low level cloud: 0%
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
07:00

S
S

11 / 16 mph 33 / 24°F 77% 1026 mb
Low level cloud: 52%
Mid level cloud: 95%
High level cloud: 20%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

13 / 18 mph 39 / 31°F 70% 1023 mb
Low level cloud: 51%
Mid level cloud: 88%
High level cloud: 100%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

12 / 18 mph 36 / 28°F 96% 1019 mb
Low level cloud: 99%
Mid level cloud: 65%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

SW
SW

11 / 17 mph 38 / 31°F 96% 1017 mb
Low level cloud: 96%
Mid level cloud: 41%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

SW
SW

13 / 19 mph 38 / 30°F 91% 1018 mb
Low level cloud: 97%
Mid level cloud: 12%
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

W
W

13 / 20 mph 35 / 26°F 78% 1020 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 3%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 01
Dec
01:00

W
W

10 / 13 mph 32 / 24°F 82% 1022 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

8 / 12 mph 28 / 20°F 86% 1024 mb
Low level cloud: 15%
Mid level cloud: 0%
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

W
W

8 / 13 mph 28 / 20°F 83% 1026 mb
Low level cloud: 16%
Mid level cloud: 3%
High level cloud: 44%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

11 / 14 mph 33 / 24°F 59% 1028 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 15%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

12 / 14 mph 34 / 26°F 49% 1027 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
16:00

NNW
NNW

8 / 11 mph 32 / 25°F 56% 1028 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 17%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

3 / 5 mph 27 / 23°F 69% 1030 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
22:00

NNW
NNW

2 / 3 mph 27 / 25°F 66% 1029 mb
Low level cloud: 0%
Mid level cloud: 59%
High level cloud: 89%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 02
Dec
01:00

ENE
ENE

4 / 7 mph 26 / 21°F 66% 1028 mb
Low level cloud: 0%
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
04:00

ENE
ENE

6 / 10 mph 25 / 18°F 86% 1026 mb
Low level cloud: 65%
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
07:00

ENE
ENE

7 / 11 mph 25 / 17°F 94% 1024 mb
Low level cloud: 88%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

ENE
ENE

11 / 17 mph 27 / 17°F 96% 1020 mb
Low level cloud: 79%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
13:00

NE
NE

12 / 16 mph 28 / 18°F 97% 1014 mb
Low level cloud: 79%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.4 In of precipitation over the past 3 hours.
0.4 In
16:00

NE
NE

14 / 16 mph 29 / 18°F 96% 1011 mb
Low level cloud: 91%
Mid level cloud: 67%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
19:00

NNE
NNE

11 / 15 mph 28 / 18°F 96% 1009 mb
Low level cloud: 84%
Mid level cloud: 50%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

7 / 13 mph 27 / 19°F 97% 1011 mb
Low level cloud: 80%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 03
Dec
01:00

NNW
NNW

3 / 5 mph 26 / 23°F 98% 1012 mb
Low level cloud: 83%
Mid level cloud: 65%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

3 / 6 mph 25 / 21°F 98% 1014 mb
Low level cloud: 69%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

W
W

3 / 6 mph 22 / 18°F 98% 1016 mb
Low level cloud: 62%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

6 / 8 mph 29 / 23°F 88% 1018 mb
Low level cloud: 41%
Mid level cloud: 47%
High level cloud: 95%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

7 / 10 mph 33 / 26°F 90% 1018 mb
Low level cloud: 59%
Mid level cloud: 20%
High level cloud: 6%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

6 / 9 mph 32 / 26°F 84% 1020 mb
Low level cloud: 93%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

2 / 5 mph 18 / 14°F 96% 1023 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

4 / 9 mph 16 / 10°F 97% 1025 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 04
Dec
01:00

WNW
WNW

5 / 6 mph 27 / 21°F 60% 1032 mb
Low level cloud: 1%
Mid level cloud: 73%
High level cloud: 100%
Most Significant Cloud Type: medium
78%
0.0 In
07:00

WNW
WNW

11 / 19 mph 24 / 13°F 85% 1027 mb
Low level cloud: 58%
Mid level cloud: 27%
High level cloud: 32%
Most Significant Cloud Type: low
70%
0.0 In
13:00

SW
SW

10 / 13 mph 30 / 22°F 90% 1021 mb
Low level cloud: 41%
Mid level cloud: 0%
High level cloud: 87%
Most Significant Cloud Type: low
51%
0.0 In
19:00

SW
SW

6 / 8 mph 33 / 28°F 96% 1017 mb
Low level cloud: 35%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
55%
0.0 In
Fri 05
Dec
01:00

WSW
WSW

10 / 21 mph 28 / 19°F 97% 1016 mb
Low level cloud: 90%
Mid level cloud: 19%
High level cloud: 87%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WSW
WSW

4 / 7 mph 16 / 10°F 94% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 45%
Most Significant Cloud Type: high
44%
0.0 In
13:00

NNW
NNW

8 / 10 mph 25 / 17°F 77% 1027 mb
Low level cloud: 35%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: low
37%
0.0 In
19:00

S
S

2 / 4 mph 22 / 20°F 98% 1025 mb
Low level cloud: 60%
Mid level cloud: 17%
High level cloud: 7%
Most Significant Cloud Type: low
66%
0.0 In
Sat 06
Dec
01:00

NE
NE

4 / 4 mph 19 / 13°F 94% 1026 mb
Low level cloud: 46%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
92%
0.0 In
07:00

E
E

3 / 5 mph 28 / 24°F 98% 1016 mb
Low level cloud: 92%
Mid level cloud: 96%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NE
NE

5 / 6 mph 28 / 22°F 98% 1013 mb
Low level cloud: 95%
Mid level cloud: 88%
High level cloud: 9%
Most Significant Cloud Type: low
100%
0.3 In
19:00

W
W

4 / 6 mph 36 / 33°F 100% 1000 mb
Low level cloud: 100%
Mid level cloud: 69%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.6 In
Sun 07
Dec
01:00

WSW
WSW

5 / 9 mph 25 / 19°F 97% 1011 mb
Low level cloud: 22%
Mid level cloud: 7%
High level cloud: 100%
Most Significant Cloud Type: low
36%
0.0 In
07:00

NW
NW

10 / 22 mph 28 / 18°F 89% 1015 mb
Low level cloud: 51%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: low
52%
0.1 In
13:00

WNW
WNW

13 / 18 mph 32 / 22°F 82% 1013 mb
Low level cloud: 15%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: low
15%
0.0 In
19:00

SSW
SSW

4 / 5 mph 36 / 33°F 98% 1019 mb
Low level cloud: 22%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Mon 08
Dec
01:00

WSW
WSW

4 / 9 mph 11 / 3°F 96% 1023 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

SW
SW

8 / 14 mph 36 / 30°F 98% 1007 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SW
SW

8 / 11 mph 31 / 23°F 87% 1023 mb
Low level cloud: 95%
Mid level cloud: 5%
High level cloud: 3%
Most Significant Cloud Type: low
96%
0.0 In
19:00

WSW
WSW

9 / 17 mph 38 / 32°F 98% 1003 mb
Low level cloud: 70%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.2 In
Tue 09
Dec
01:00

S
S

6 / 11 mph 33 / 28°F 94% 1017 mb
Low level cloud: 35%
Mid level cloud: 64%
High level cloud: 100%
Most Significant Cloud Type: low
69%
0.0 In
07:00

WSW
WSW

3 / 6 mph 32 / 30°F 99% 1001 mb
Low level cloud: 93%
Mid level cloud: 61%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SW
SW

6 / 10 mph 37 / 33°F 100% 1007 mb
Low level cloud: 84%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WNW
WNW

16 / 20 mph 36 / 26°F 79% 1007 mb
Low level cloud: 28%
Mid level cloud: 18%
High level cloud: 8%
Most Significant Cloud Type: low
35%
0.0 In
Wed 10
Dec
01:00

W
W

4 / 7 mph 36 / 32°F 99% 1009 mb
Low level cloud: 68%
Mid level cloud: 3%
High level cloud: 11%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NW
NW

13 / 19 mph 19 / 5°F 78% 1022 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.0 In
13:00

WSW
WSW

6 / 9 mph 38 / 33°F 100% 1012 mb
Low level cloud: 54%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
19:00

W
W

2 / 3 mph 33 / 32°F 80% 1023 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 20%
Most Significant Cloud Type: medium
10%
0.0 In
Thu 11
Dec
01:00

WNW
WNW

11 / 20 mph 38 / 30°F 90% 1011 mb
Low level cloud: 66%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
66%
0.0 In
07:00

SSW
SSW

5 / 7 mph 29 / 24°F 68% 1020 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 10%
Most Significant Cloud Type: medium
5%
0.0 In
13:00

NW
NW

11 / 15 mph 37 / 30°F 84% 1018 mb
Low level cloud: 41%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: low
42%
0.0 In
19:00

SSE
SSE

2 / 3 mph 36 / 35°F 94% 1012 mb
Low level cloud: 60%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: low
98%
0.0 In
Fri 12
Dec
01:00

NW
NW

2 / 3 mph 32 / 30°F 91% 1023 mb
Low level cloud: 0%
Mid level cloud: 94%
High level cloud: 10%
Most Significant Cloud Type: medium
95%
0.0 In
07:00

WNW
WNW

12 / 20 mph 31 / 22°F 84% 1008 mb
Low level cloud: 34%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
37%
0.1 In
13:00

E
E

2 / 3 mph 39 / 38°F 74% 1026 mb
Low level cloud: 1%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: medium
28%
0.0 In
19:00

NW
NW

16 / 24 mph 25 / 12°F 71% 1023 mb
Low level cloud: 28%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
28%
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