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Yawgoo Valley 14 Day Long Range Forecast

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

Rhode Island, United States Of America

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

The next 14 day outlook for Yawgoo Valley shows the average daytime maximum temperature will be around 6°C, with a high for the two weeks of 13°C expected on the afternoon of Friday 19th. The average minimum temperature will be -1°C, dipping to its lowest on the morning of Monday 22nd at -4°C. The next 14 days will have some days seeing a little precipitation and some days with snow. The indicators are that Friday 19th will have the most precipitation with an accumulation of around 20.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 18
Dec		01:00

NW
NW

 9 / 13 mph 38 / 32°F 80% 1021 mb
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
04:00

WSW
WSW

 4 / 9 mph 27 / 23°F 92% 1024 mb
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
07:00

W
W

 2 / 5 mph 27 / 25°F 94% 1027 mb
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
10:00

S
S

 4 / 5 mph 41 / 38°F 70% 1028 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

 9 / 11 mph 45 / 40°F 68% 1026 mb
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
16:00

S
S

 7 / 15 mph 41 / 36°F 84% 1025 mb
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
19:00

SSE
SSE

 6 / 13 mph 40 / 36°F 92% 1024 mb
Low level cloud: 2%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 11 / 21 mph 47 / 42°F 92% 1020 mb
Low level cloud: 40%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 19
Dec		19:00

WSW
WSW

 14 / 19 mph 43 / 36°F 88% 997 mb
Low level cloud: 98%
Mid level cloud: 47%
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

W
W

 17 / 22 mph 34 / 24°F 71% 1002 mb
Low level cloud: 7%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 20
Dec		01:00

W
W

 17 / 23 mph 30 / 18°F 67% 1008 mb
Low level cloud: 13%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

 16 / 22 mph 30 / 18°F 59% 1012 mb
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 13 / 18 mph 30 / 19°F 62% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

 12 / 13 mph 33 / 25°F 47% 1021 mb
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
13:00

WNW
WNW

 10 / 11 mph 39 / 32°F 40% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: high
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 6 / 9 mph 36 / 31°F 54% 1021 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 70%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 7 / 10 mph 35 / 29°F 64% 1020 mb
Low level cloud: 0%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: medium
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

 10 / 15 mph 36 / 29°F 69% 1018 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 21
Dec		01:00

SSW
SSW

 14 / 22 mph 39 / 31°F 71% 1016 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

 17 / 27 mph 42 / 34°F 72% 1013 mb
Low level cloud: 7%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 14 / 21 mph 40 / 32°F 74% 1011 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 13 / 17 mph 42 / 35°F 64% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 70%
Most Significant Cloud Type: high
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 14 / 16 mph 44 / 38°F 58% 1011 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 9 / 13 mph 37 / 30°F 71% 1014 mb
Low level cloud: 52%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 12 / 14 mph 32 / 23°F 54% 1018 mb
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

WNW
WNW

 13 / 16 mph 29 / 19°F 56% 1020 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 22
Dec		01:00

WNW
WNW

 14 / 19 mph 28 / 17°F 59% 1021 mb
Low level cloud: 24%
Mid level cloud: 4%
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

WNW
WNW

 15 / 19 mph 27 / 15°F 55% 1024 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

 13 / 15 mph 25 / 14°F 50% 1028 mb
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
10:00

NW
NW

 15 / 17 mph 28 / 16°F 39% 1030 mb
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
13:00

NW
NW

 14 / 16 mph 32 / 22°F 31% 1031 mb
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
16:00

NW
NW

 10 / 12 mph 30 / 22°F 39% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: high
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 6 / 8 mph 27 / 21°F 49% 1034 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 95%
Most Significant Cloud Type: high
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

 6 / 8 mph 27 / 20°F 54% 1033 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 23
Dec		01:00

WSW
WSW

 5 / 8 mph 26 / 20°F 55% 1032 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 6 / 9 mph 28 / 22°F 52% 1031 mb
Low level cloud: 0%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: medium
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 9 / 13 mph 32 / 24°F 61% 1030 mb
Low level cloud: 0%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: medium
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 9 / 11 mph 36 / 29°F 63% 1028 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 38%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 12 / 15 mph 38 / 31°F 68% 1023 mb
Low level cloud: 71%
Mid level cloud: 44%
High level cloud: 4%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 10 / 13 mph 35 / 27°F 97% 1021 mb
Low level cloud: 90%
Mid level cloud: 47%
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

W
W

 9 / 12 mph 34 / 26°F 82% 1020 mb
Low level cloud: 84%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 7 / 11 mph 31 / 24°F 91% 1020 mb
Low level cloud: 10%
Mid level cloud: 9%
High level cloud: 8%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 24
Dec		01:00

WNW
WNW

 8 / 13 mph 31 / 24°F 87% 1019 mb
Low level cloud: 3%
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
04:00

W
W

 9 / 15 mph 31 / 23°F 89% 1020 mb
Low level cloud: 8%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 9 / 17 mph 32 / 24°F 87% 1022 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 10 / 12 mph 39 / 32°F 70% 1024 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 9 / 11 mph 42 / 37°F 55% 1023 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 4 / 9 mph 36 / 32°F 72% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 66%
Most Significant Cloud Type: high
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

 3 / 6 mph 32 / 30°F 78% 1027 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 9%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

 2 / 3 mph 31 / 31°F 81% 1028 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 5%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 25
Dec		01:00

WNW
WNW

 6 / 9 mph 28 / 22°F 66% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: high
21%
0.0 In
07:00

E
E

 6 / 9 mph 27 / 20°F 56% 1021 mb
Low level cloud: 0%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: medium
93%
0.0 In
13:00

ENE
ENE

 6 / 9 mph 31 / 25°F 89% 1012 mb
Low level cloud: 65%
Mid level cloud: 55%
High level cloud: 31%
Most Significant Cloud Type: low
88%
0.0 In
19:00

N
N

 6 / 8 mph 34 / 29°F 70% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
0.0 In
Fri 26
Dec		01:00

N
N

 8 / 10 mph 33 / 26°F 93% 1014 mb
Low level cloud: 54%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
81%
0.0 In
07:00

E
E

 8 / 13 mph 32 / 25°F 82% 1014 mb
Low level cloud: 42%
Mid level cloud: 48%
High level cloud: 99%
Most Significant Cloud Type: low
70%
0.0 In
13:00

SSE
SSE

 4 / 7 mph 42 / 40°F 99% 1007 mb
Low level cloud: 100%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WNW
WNW

 15 / 24 mph 45 / 39°F 82% 1010 mb
Low level cloud: 33%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.0 In
Sat 27
Dec		01:00

NNW
NNW

 2 / 3 mph 47 / 47°F 98% 1009 mb
Low level cloud: 84%
Mid level cloud: 70%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NW
NW

 5 / 9 mph 40 / 36°F 89% 1018 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 93%
Most Significant Cloud Type: medium
7%
0.0 In
13:00

NNW
NNW

 9 / 18 mph 46 / 42°F 68% 1014 mb
Low level cloud: 66%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
82%
0.0 In
19:00

E
E

 1 / 1 mph 41 / 41°F 78% 1021 mb
Low level cloud: 33%
Mid level cloud: 5%
High level cloud: 32%
Most Significant Cloud Type: low
38%
0.0 In
Sun 28
Dec		01:00

N
N

 6 / 12 mph 36 / 30°F 66% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
0.0 In
07:00

WSW
WSW

 1 / 1 mph 37 / 37°F 92% 1022 mb
Low level cloud: 6%
Mid level cloud: 15%
High level cloud: 85%
Most Significant Cloud Type: medium
34%
0.0 In
13:00

NNE
NNE

 2 / 4 mph 43 / 42°F 34% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

SSE
SSE

 3 / 6 mph 43 / 42°F 87% 1018 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Mon 29
Dec		01:00

SW
SW

 3 / 6 mph 37 / 35°F 61% 1023 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
07:00

NNE
NNE

 2 / 4 mph 42 / 42°F 98% 1015 mb
Low level cloud: 89%
Mid level cloud: 5%
High level cloud: 13%
Most Significant Cloud Type: low
91%
0.2 In
13:00

WNW
WNW

 4 / 8 mph 37 / 34°F 98% 1018 mb
Low level cloud: 88%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
19:00

NW
NW

 12 / 21 mph 36 / 27°F 75% 1018 mb
Low level cloud: 1%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Tue 30
Dec		01:00

N
N

 5 / 10 mph 34 / 29°F 76% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

NNW
NNW

 9 / 15 mph 30 / 22°F 66% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 18%
Most Significant Cloud Type: high
17%
0.0 In
13:00

SW
SW

 5 / 10 mph 44 / 41°F 53% 1026 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 2%
Most Significant Cloud Type: high
2%
0.0 In
19:00

N
N

 5 / 8 mph 37 / 33°F 60% 1032 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Wed 31
Dec		01:00

SW
SW

 8 / 14 mph 34 / 28°F 85% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
07:00

NNW
NNW

 1 / 1 mph 34 / 34°F 64% 1035 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
6%
0.0 In
13:00

SW
SW

 12 / 23 mph 47 / 42°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
0.0 In
19:00

WSW
WSW

 7 / 11 mph 35 / 29°F 68% 1033 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
0.0 In
Thu 01
Jan		01:00

WSW
WSW

 13 / 23 mph 47 / 42°F 90% 1013 mb
Low level cloud: 24%
Mid level cloud: 72%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

WSW
WSW

 10 / 17 mph 35 / 27°F 79% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
3%
0.0 In
13:00

NW
NW

 17 / 32 mph 36 / 26°F 56% 1013 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 8%
Most Significant Cloud Type: medium
2%
0.2 In
19:00

WSW
WSW

 10 / 19 mph 40 / 34°F 81% 1025 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
0.0 In
Fri 02
Jan		01:00

WNW
WNW

 9 / 17 mph 30 / 21°F 45% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

WSW
WSW

 11 / 20 mph 43 / 37°F 91% 1023 mb
Low level cloud: 18%
Mid level cloud: 45%
High level cloud: 1%
Most Significant Cloud Type: low
34%
0.0 In
13:00

W
W

 11 / 19 mph 38 / 32°F 28% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 49%
Most Significant Cloud Type: high
48%
0.0 In
19:00

WSW
WSW

 11 / 19 mph 49 / 45°F 90% 1018 mb
Low level cloud: 19%
Mid level cloud: 20%
High level cloud: 100%
Most Significant Cloud Type: low
38%
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