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Shenandoah 14 Day Long Range Forecast

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

Pennsylvania, United States Of America

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

For Shenandoah in the coming two weeks the average daytime maximum temperature will be around 23°C, with a high for the two weeks of 27°C expected on the afternoon of Wednesday 22nd. The average minimum temperature will be 13°C, dipping to its lowest on the morning of Saturday 25th at 6°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. The indicators are that Saturday 18th will have the most precipitation with an accumulation of around 11.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Fri 17
May		01:00

NE
NE

 4 / 6 mph 54 / 54°F 97%
Low level cloud: 19%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 3 / 6 mph 52 / 52°F 96%
Low level cloud: 18%
Mid level cloud: 23%
High level cloud: 17%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

 5 / 7 mph 57 / 55°F 83%
Low level cloud: 17%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

 6 / 6 mph 67 / 64°F 65%
Low level cloud: 34%
Mid level cloud: 12%
High level cloud: 41%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

 9 / 10 mph 67 / 66°F 64%
Low level cloud: 75%
Mid level cloud: 30%
High level cloud: 31%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

 8 / 11 mph 65 / 64°F 71%
Low level cloud: 84%
Mid level cloud: 15%
High level cloud: 4%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 6 / 9 mph 61 / 61°F 84%
Low level cloud: 77%
Mid level cloud: 66%
High level cloud: 30%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 6 / 9 mph 59 / 58°F 90%
Low level cloud: 89%
Mid level cloud: 75%
High level cloud: 65%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May		01:00

S
S

 4 / 8 mph 55 / 55°F 93%
Low level cloud: 91%
Mid level cloud: 87%
High level cloud: 95%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 5 / 8 mph 54 / 53°F 98%
Low level cloud: 91%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

SSE
SSE

 5 / 8 mph 54 / 52°F 99%
Low level cloud: 97%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
10:00

SSE
SSE

 3 / 4 mph 56 / 56°F 98%
Low level cloud: 97%
Mid level cloud: 80%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

SE
SE

 2 / 2 mph 58 / 58°F 97%
Low level cloud: 97%
Mid level cloud: 81%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

SE
SE

 2 / 2 mph 59 / 59°F 96%
Low level cloud: 95%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 1 / 2 mph 58 / 58°F 97%
Low level cloud: 90%
Mid level cloud: 65%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

 2 / 2 mph 56 / 56°F 97%
Low level cloud: 83%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May		01:00

NE
NE

 2 / 2 mph 54 / 54°F 97%
Low level cloud: 83%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 2 / 3 mph 53 / 53°F 97%
Low level cloud: 83%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNW
NNW

 0 / 1 mph 57 / 55°F 94%
Low level cloud: 63%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 1 / 1 mph 64 / 61°F 79%
Low level cloud: 57%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

 2 / 2 mph 71 / 70°F 60%
Low level cloud: 83%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 4 / 5 mph 73 / 69°F 66%
Low level cloud: 1%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 3 / 6 mph 67 / 64°F 90%
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

 2 / 3 mph 61 / 61°F 93%
Low level cloud: 1%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		01:00

SSE
SSE

 1 / 2 mph 58 / 58°F 97%
Low level cloud: 17%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

 3 / 5 mph 55 / 56°F 99%
Low level cloud: 65%
Mid level cloud: 5%
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

SSW
SSW

 2 / 2 mph 59 / 58°F 94%
Low level cloud: 89%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 2 / 3 mph 71 / 68°F 72%
Low level cloud: 71%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 6 / 7 mph 76 / 77°F 61%
Low level cloud: 3%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 6 / 8 mph 77 / 77°F 62%
Low level cloud: 31%
Mid level cloud: 38%
High level cloud: 0%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 3 / 6 mph 69 / 66°F 93%
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 2 / 4 mph 63 / 63°F 96%
Low level cloud: 3%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May		01:00

S
S

 2 / 5 mph 60 / 60°F 97%
Low level cloud: 14%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

 2 / 4 mph 57 / 58°F 98%
Low level cloud: 32%
Mid level cloud: 9%
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

SSW
SSW

 3 / 5 mph 63 / 61°F 89%
Low level cloud: 31%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 7 / 8 mph 74 / 76°F 61%
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 8 / 9 mph 79 / 79°F 53%
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 9 / 11 mph 79 / 78°F 57%
Low level cloud: 33%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 6 / 6 mph 75 / 76°F 88%
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
22:00

S
S

 4 / 7 mph 63 / 63°F 94%
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		01:00

SSE
SSE

 3 / 6 mph 59 / 59°F 98%
Low level cloud: 17%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

 3 / 5 mph 57 / 58°F 98%
Low level cloud: 17%
Mid level cloud: 8%
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

S
S

 4 / 6 mph 63 / 61°F 82%
Low level cloud: 7%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 9 / 10 mph 74 / 76°F 61%
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
13:00

SSW
SSW

 10 / 11 mph 80 / 80°F 56%
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 2%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 10 / 13 mph 80 / 80°F 62%
Low level cloud: 45%
Mid level cloud: 9%
High level cloud: 12%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 3 / 6 mph 70 / 68°F 94%
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: medium
19%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

SE
SE

 3 / 6 mph 65 / 65°F 98%
Low level cloud: 8%
Mid level cloud: 30%
High level cloud: 94%
Most Significant Cloud Type: medium
54%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
Thu 23
May		01:00

SSE
SSE

 3 / 5 mph 62 / 62°F 99%
Low level cloud: 21%
Mid level cloud: 27%
High level cloud: 4%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 5 / 9 mph 61 / 61°F 98%
Low level cloud: 42%
Mid level cloud: 20%
High level cloud: 7%
Most Significant Cloud Type: low
49%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

S
S

 5 / 7 mph 64 / 62°F 97%
Low level cloud: 87%
Mid level cloud: 10%
High level cloud: 10%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 7 / 9 mph 73 / 76°F 81%
Low level cloud: 60%
Mid level cloud: 22%
High level cloud: 19%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 11 / 16 mph 75 / 77°F 85%
Low level cloud: 31%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 10 / 14 mph 78 / 78°F 68%
Low level cloud: 25%
Mid level cloud: 10%
High level cloud: 16%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 7 / 12 mph 73 / 69°F 79%
Low level cloud: 42%
Mid level cloud: 46%
High level cloud: 10%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 9 / 13 mph 65 / 65°F 81%
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Fri 24
May		01:00

NW
NW

 4 / 5 mph 58 / 58°F 83%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: high
8%
0.0 In
07:00

WNW
WNW

 11 / 15 mph 57 / 55°F 76%
Low level cloud: 5%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
6%
0.0 In
13:00

SW
SW

 8 / 12 mph 79 / 80°F 42%
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
19:00

S
S

 3 / 6 mph 73 / 77°F 79%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sat 25
May		01:00

NE
NE

 4 / 9 mph 58 / 58°F 96%
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
07:00

NW
NW

 9 / 20 mph 49 / 46°F 63%
Low level cloud: 8%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.0 In
13:00

SE
SE

 9 / 20 mph 68 / 68°F 58%
Low level cloud: 41%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
46%
0.0 In
19:00

SSE
SSE

 4 / 8 mph 65 / 65°F 77%
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 4%
Most Significant Cloud Type: medium
25%
0.0 In
Sun 26
May		01:00

SSE
SSE

 6 / 13 mph 50 / 48°F 94%
Low level cloud: 40%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
41%
0.0 In
07:00

SSW
SSW

 4 / 9 mph 60 / 60°F 98%
Low level cloud: 45%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
72%
0.3 In
13:00

S
S

 9 / 18 mph 61 / 61°F 97%
Low level cloud: 98%
Mid level cloud: 39%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
19:00

SSW
SSW

 4 / 8 mph 72 / 77°F 96%
Low level cloud: 1%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.1 In
Mon 27
May		01:00

SSW
SSW

 2 / 5 mph 65 / 65°F 99%
Low level cloud: 83%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.0 In
07:00

S
S

 8 / 16 mph 64 / 64°F 97%
Low level cloud: 99%
Mid level cloud: 21%
High level cloud: 31%
Most Significant Cloud Type: low
100%
0.2 In
13:00

SW
SW

 5 / 10 mph 81 / 82°F 45%
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
19:00

W
W

 3 / 6 mph 69 / 69°F 96%
Low level cloud: 5%
Mid level cloud: 48%
High level cloud: 19%
Most Significant Cloud Type: medium
63%
0.2 In
Tue 28
May		01:00

NNE
NNE

 3 / 5 mph 63 / 63°F 98%
Low level cloud: 52%
Mid level cloud: 48%
High level cloud: 4%
Most Significant Cloud Type: low
68%
1.2 In
07:00

SW
SW

 4 / 7 mph 66 / 66°F 95%
Low level cloud: 88%
Mid level cloud: 45%
High level cloud: 26%
Most Significant Cloud Type: low
100%
0.2 In
13:00

NE
NE

 4 / 8 mph 63 / 63°F 94%
Low level cloud: 73%
Mid level cloud: 51%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NNW
NNW

 10 / 22 mph 60 / 60°F 91%
Low level cloud: 78%
Mid level cloud: 10%
High level cloud: 8%
Most Significant Cloud Type: low
82%
0.2 In
Wed 29
May		01:00

E
E

 5 / 11 mph 58 / 58°F 98%
Low level cloud: 91%
Mid level cloud: 70%
High level cloud: 87%
Most Significant Cloud Type: low
100%
0.0 In
07:00

N
N

 4 / 9 mph 58 / 59°F 85%
Low level cloud: 59%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
67%
0.0 In
13:00

ESE
ESE

 9 / 19 mph 60 / 60°F 98%
Low level cloud: 97%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
19:00

NNE
NNE

 2 / 4 mph 68 / 68°F 78%
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
0.0 In
Thu 30
May		01:00

S
S

 2 / 3 mph 57 / 57°F 99%
Low level cloud: 96%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
07:00

ESE
ESE

 4 / 8 mph 61 / 61°F 87%
Low level cloud: 73%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
77%
0.0 In
13:00

W
W

 9 / 18 mph 68 / 68°F 66%
Low level cloud: 43%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
54%
0.0 In
19:00

SE
SE

 10 / 22 mph 61 / 61°F 86%
Low level cloud: 52%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
79%
0.0 In
Fri 31
May		01:00

W
W

 2 / 4 mph 64 / 64°F 95%
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 4%
Most Significant Cloud Type: medium
6%
0.1 In
07:00

ESE
ESE

 10 / 20 mph 52 / 49°F 99%
Low level cloud: 99%
Mid level cloud: 86%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.4 In
13:00

SSW
SSW

 6 / 14 mph 76 / 78°F 46%
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 95%
Most Significant Cloud Type: medium
20%
0.0 In
19:00

WSW
WSW

 7 / 15 mph 56 / 54°F 93%
Low level cloud: 47%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: low
68%
0.1 In
Sat 01
Jun		01:00

SE
SE

 5 / 10 mph 63 / 63°F 99%
Low level cloud: 89%
Mid level cloud: 69%
High level cloud: 20%
Most Significant Cloud Type: low
100%
0.2 In
07:00

WSW
WSW

 11 / 22 mph 50 / 46°F 97%
Low level cloud: 99%
Mid level cloud: 70%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.1 In
13:00

S
S

 6 / 12 mph 66 / 66°F 97%
Low level cloud: 92%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
19:00

NW
NW

 9 / 20 mph 57 / 55°F 66%
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
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