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Sosnovets Island 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Sosnovets Island

Russia

Long range weather outlook for Sosnovets Island includes 14 day forecast summary:

The outlook for Sosnovets Island in the two weeks ahead shows the average daytime maximum temperature will be around 6°C, with a high for the two weeks of 12°C expected on the evening of Tuesday 28th. The mean minimum temperature will be 0°C, dipping to its lowest on the evening of Monday 20th at -2°C. Expect the coming 14 days to have mixed overhead conditions with some days dry and some seeing a significant amount of rain or snow. Predictions are Monday 20th will have the most precipitation with an accumulation of around 6.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 19
May		19:00

WSW
WSW

 11 / 22 mph 44 / 38°F 97% 1001 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 14 / 29 mph 40 / 32°F 100% 1000 mb
Low level cloud: 15%
Mid level cloud: 96%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		01:00

WSW
WSW

 14 / 29 mph 42 / 34°F 100% 1000 mb
Low level cloud: 36%
Mid level cloud: 99%
High level cloud: 93%
Most Significant Cloud Type: low
81%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
04:00

SW
SW

 18 / 37 mph 40 / 30°F 100% 999 mb
Low level cloud: 83%
Mid level cloud: 100%
High level cloud: 56%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

WSW
WSW

 20 / 28 mph 39 / 28°F 98% 999 mb
Low level cloud: 82%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

 24 / 39 mph 31 / 18°F 91% 1003 mb
Low level cloud: 87%
Mid level cloud: 58%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 11 / 19 mph 34 / 25°F 83% 1010 mb
Low level cloud: 38%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

 6 / 13 mph 36 / 29°F 87% 1013 mb
Low level cloud: 41%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 11 / 19 mph 35 / 27°F 75% 1015 mb
Low level cloud: 13%
Mid level cloud: 98%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 8 / 17 mph 28 / 20°F 77% 1015 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May		01:00

W
W

 13 / 27 mph 33 / 23°F 72% 1016 mb
Low level cloud: 0%
Mid level cloud: 99%
High level cloud: 0%
Most Significant Cloud Type: medium
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 12 / 25 mph 29 / 19°F 77% 1017 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 13 / 23 mph 31 / 21°F 76% 1017 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

 13 / 20 mph 35 / 25°F 68% 1017 mb
Low level cloud: 2%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 13 / 20 mph 36 / 27°F 66% 1018 mb
Low level cloud: 2%
Mid level cloud: 96%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNW
NNW

 15 / 23 mph 36 / 26°F 62% 1020 mb
Low level cloud: 0%
Mid level cloud: 95%
High level cloud: 0%
Most Significant Cloud Type: medium
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 17 / 28 mph 34 / 23°F 61% 1021 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 4%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

 15 / 27 mph 30 / 19°F 75% 1022 mb
Low level cloud: 27%
Mid level cloud: 85%
High level cloud: 1%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		01:00

WNW
WNW

 15 / 27 mph 30 / 18°F 74% 1023 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 18 / 32 mph 29 / 16°F 73% 1023 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

 17 / 33 mph 29 / 16°F 74% 1024 mb
Low level cloud: 12%
Mid level cloud: 21%
High level cloud: 1%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

 14 / 27 mph 31 / 21°F 69% 1025 mb
Low level cloud: 16%
Mid level cloud: 46%
High level cloud: 1%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 11 / 19 mph 34 / 25°F 72% 1027 mb
Low level cloud: 25%
Mid level cloud: 46%
High level cloud: 1%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNW
NNW

 9 / 17 mph 34 / 26°F 76% 1027 mb
Low level cloud: 44%
Mid level cloud: 44%
High level cloud: 2%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

 4 / 9 mph 33 / 28°F 75% 1028 mb
Low level cloud: 56%
Mid level cloud: 58%
High level cloud: 4%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 8 / 16 mph 30 / 23°F 72% 1028 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May		01:00

NW
NW

 12 / 22 mph 32 / 23°F 73% 1029 mb
Low level cloud: 2%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 12 / 24 mph 30 / 20°F 77% 1029 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 35%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 10 / 20 mph 30 / 22°F 76% 1029 mb
Low level cloud: 11%
Mid level cloud: 100%
High level cloud: 72%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 4 / 7 mph 36 / 32°F 87% 1027 mb
Low level cloud: 0%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: medium
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 6 / 9 mph 40 / 35°F 85% 1026 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 64%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

 3 / 3 mph 41 / 39°F 87% 1025 mb
Low level cloud: 0%
Mid level cloud: 82%
High level cloud: 100%
Most Significant Cloud Type: medium
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

 8 / 11 mph 38 / 31°F 84% 1025 mb
Low level cloud: 0%
Mid level cloud: 50%
High level cloud: 93%
Most Significant Cloud Type: medium
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

 7 / 12 mph 34 / 28°F 81% 1024 mb
Low level cloud: 56%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May		01:00

SE
SE

 3 / 6 mph 30 / 28°F 83% 1023 mb
Low level cloud: 5%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

 4 / 8 mph 31 / 27°F 82% 1022 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 74%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 9 / 18 mph 35 / 28°F 87% 1021 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 84%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 12 / 25 mph 40 / 32°F 94% 1019 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 50%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 13 / 27 mph 42 / 35°F 97% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 11 / 23 mph 46 / 41°F 97% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 4%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 11 / 23 mph 42 / 35°F 99% 1019 mb
Low level cloud: 45%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

 6 / 10 mph 41 / 36°F 100% 1021 mb
Low level cloud: 58%
Mid level cloud: 46%
High level cloud: 95%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 25
May		01:00

NNE
NNE

 6 / 12 mph 36 / 30°F 99% 1023 mb
Low level cloud: 68%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

 4 / 9 mph 34 / 29°F 100% 1024 mb
Low level cloud: 89%
Mid level cloud: 82%
High level cloud: 43%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

 6 / 11 mph 34 / 28°F 99% 1023 mb
Low level cloud: 67%
Mid level cloud: 71%
High level cloud: 5%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

 6 / 6 mph 39 / 35°F 99% 1022 mb
Low level cloud: 90%
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
13:00

E
E

 4 / 4 mph 43 / 41°F 99% 1022 mb
Low level cloud: 84%
Mid level cloud: 61%
High level cloud: 9%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

NE
NE

 5 / 6 mph 45 / 41°F 98% 1020 mb
Low level cloud: 46%
Mid level cloud: 53%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ESE
ESE

 3 / 4 mph 42 / 39°F 98% 1018 mb
Low level cloud: 43%
Mid level cloud: 46%
High level cloud: 39%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 5 / 11 mph 37 / 33°F 94% 1017 mb
Low level cloud: 90%
Mid level cloud: 45%
High level cloud: 21%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 26
May		04:00

WNW
WNW

 6 / 12 mph 28 / 21°F 85% 1026 mb
Low level cloud: 58%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
61%
0.0 In
10:00

W
W

 18 / 38 mph 54 / 49°F 83% 1015 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 18%
Most Significant Cloud Type: medium
10%
0.0 In
16:00

NNE
NNE

 8 / 13 mph 40 / 35°F 79% 1005 mb
Low level cloud: 59%
Mid level cloud: 98%
High level cloud: 0%
Most Significant Cloud Type: low
93%
0.0 In
22:00

NNW
NNW

 16 / 24 mph 37 / 28°F 66% 1013 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
Mon 27
May		04:00

WSW
WSW

 17 / 36 mph 33 / 22°F 77% 1005 mb
Low level cloud: 0%
Mid level cloud: 51%
High level cloud: 100%
Most Significant Cloud Type: medium
55%
0.0 In
10:00

ESE
ESE

 3 / 6 mph 38 / 36°F 78% 1023 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 33%
Most Significant Cloud Type: medium
24%
0.0 In
16:00

ENE
ENE

 7 / 10 mph 38 / 33°F 77% 1029 mb
Low level cloud: 97%
Mid level cloud: 51%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.0 In
22:00

ENE
ENE

 8 / 11 mph 38 / 32°F 84% 1030 mb
Low level cloud: 0%
Mid level cloud: 70%
High level cloud: 21%
Most Significant Cloud Type: medium
70%
0.0 In
Tue 28
May		04:00

S
S

 4 / 9 mph 35 / 31°F 85% 1022 mb
Low level cloud: 4%
Mid level cloud: 43%
High level cloud: 12%
Most Significant Cloud Type: medium
56%
0.0 In
10:00

SE
SE

 2 / 5 mph 37 / 36°F 76% 1028 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 44%
Most Significant Cloud Type: medium
14%
0.0 In
16:00

SW
SW

 19 / 41 mph 56 / 51°F 78% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 7%
Most Significant Cloud Type: medium
12%
0.0 In
22:00

SW
SW

 10 / 20 mph 49 / 45°F 68% 1023 mb
Low level cloud: 4%
Mid level cloud: 14%
High level cloud: 96%
Most Significant Cloud Type: medium
29%
0.0 In
Wed 29
May		04:00

SW
SW

 17 / 36 mph 43 / 36°F 96% 1008 mb
Low level cloud: 56%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.0 In
10:00

W
W

 6 / 12 mph 52 / 50°F 66% 1022 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 14%
Most Significant Cloud Type: medium
44%
0.0 In
16:00

SW
SW

 15 / 31 mph 45 / 38°F 83% 1011 mb
Low level cloud: 23%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
22:00

NNE
NNE

 7 / 14 mph 39 / 34°F 90% 1024 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 56%
Most Significant Cloud Type: medium
18%
0.0 In
Thu 30
May		04:00

N
N

 7 / 15 mph 39 / 33°F 98% 1013 mb
Low level cloud: 35%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
42%
0.1 In
10:00

NE
NE

 8 / 13 mph 38 / 33°F 95% 1027 mb
Low level cloud: 91%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
16:00

N
N

 10 / 18 mph 41 / 36°F 88% 1021 mb
Low level cloud: 97%
Mid level cloud: 62%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
22:00

SE
SE

 3 / 4 mph 38 / 36°F 83% 1028 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 88%
Most Significant Cloud Type: medium
13%
0.0 In
Fri 31
May		04:00

NNW
NNW

 12 / 20 mph 34 / 25°F 81% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
1%
0.0 In
10:00

SW
SW

 18 / 37 mph 46 / 38°F 80% 1023 mb
Low level cloud: 4%
Mid level cloud: 61%
High level cloud: 21%
Most Significant Cloud Type: medium
72%
0.0 In
16:00

WSW
WSW

 6 / 12 mph 44 / 41°F 60% 1030 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 97%
Most Significant Cloud Type: medium
50%
0.0 In
22:00

NE
NE

 12 / 25 mph 36 / 27°F 98% 1021 mb
Low level cloud: 82%
Mid level cloud: 49%
High level cloud: 53%
Most Significant Cloud Type: low
100%
0.0 In
Sat 01
Jun		04:00

W
W

 17 / 36 mph 43 / 35°F 64% 1026 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 32%
Most Significant Cloud Type: medium
10%
0.0 In
10:00

NE
NE

 18 / 28 mph 33 / 22°F 96% 1018 mb
Low level cloud: 99%
Mid level cloud: 95%
High level cloud: 75%
Most Significant Cloud Type: low
100%
0.1 In
16:00

ENE
ENE

 13 / 26 mph 39 / 31°F 85% 1025 mb
Low level cloud: 5%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: medium
66%
0.0 In
22:00

NNE
NNE

 16 / 24 mph 31 / 20°F 85% 1021 mb
Low level cloud: 28%
Mid level cloud: 0%
High level cloud: 17%
Most Significant Cloud Type: low
30%
0.3 In
Sun 02
Jun		04:00

N
N

 2 / 3 mph 36 / 37°F 90% 1023 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 5%
Most Significant Cloud Type: medium
21%
0.0 In
10:00

ENE
ENE

 4 / 6 mph 36 / 33°F 76% 1022 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
5%
0.0 In
16:00

E
E

 9 / 17 mph 40 / 35°F 81% 1022 mb
Low level cloud: 16%
Mid level cloud: 25%
High level cloud: 19%
Most Significant Cloud Type: low
27%
0.0 In
22:00

NW
NW

 4 / 6 mph 36 / 32°F 97% 1023 mb
Low level cloud: 91%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
98%
0.0 In
Mon 03
Jun		04:00

N
N

 10 / 20 mph 36 / 29°F 79% 1023 mb
Low level cloud: 91%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
92%
0.0 In
10:00

NNE
NNE

 9 / 14 mph 36 / 29°F 76% 1025 mb
Low level cloud: 85%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: low
86%
0.0 In
16:00

E
E

 7 / 10 mph 40 / 36°F 79% 1024 mb
Low level cloud: 85%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
85%
0.0 In
22:00

NNW
NNW

 2 / 4 mph 35 / 35°F 79% 1024 mb
Low level cloud: 59%
Mid level cloud: 4%
High level cloud: 8%
Most Significant Cloud Type: low
61%
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