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Ust'-Ilimsk 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Ust'-Ilimsk

Russia

Long range weather outlook for Ust'-Ilimsk includes 14 day forecast summary:

The next 14 day outlook for Ust'-Ilimsk shows the average daytime maximum temperature will be around -12°C, with a high for the two weeks of -6°C expected on the afternoon of Wednesday 12th. The mean minimum temperature will be -23°C, dipping to its lowest on the morning of Friday 7th at -34°C. The fortnight ahead will have most days seeing a little snow. It looks like Wednesday 5th will have the most precipitation with an accumulation of around 1.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 05
Feb		15:00

N
N

 8 / 9 mph -11 / -28°F 82% 1043 mb
Low level cloud: 100%
Mid level cloud: 27%
High level cloud: 27%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 4 / 6 mph -14 / -27°F 90% 1045 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 34%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 1 / 1 mph -20 / -20°F 97% 1047 mb
Low level cloud: 62%
Mid level cloud: 100%
High level cloud: 54%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 06
Feb		00:00

S
S

 2 / 4 mph -19 / -27°F 97% 1048 mb
Low level cloud: 40%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 3 / 4 mph -15 / -25°F 94% 1048 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 4 / 5 mph -14 / -24°F 96% 1048 mb
Low level cloud: 100%
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
09:00

SSE
SSE

 4 / 5 mph -12 / -22°F 97% 1048 mb
Low level cloud: 100%
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
12:00

SSE
SSE

 4 / 5 mph -10 / -21°F 92% 1048 mb
Low level cloud: 100%
Mid level cloud: 85%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

 4 / 5 mph -2 / -11°F 87% 1047 mb
Low level cloud: 100%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

 3 / 5 mph -5 / -12°F 95% 1047 mb
Low level cloud: 100%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

 4 / 8 mph -22 / -35°F 99% 1049 mb
Low level cloud: 92%
Mid level cloud: 18%
High level cloud: 3%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 07
Feb		00:00

SE
SE

 3 / 7 mph -27 / -38°F 100% 1049 mb
Low level cloud: 97%
Mid level cloud: 16%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

 3 / 6 mph -27 / -38°F 99% 1049 mb
Low level cloud: 100%
Mid level cloud: 23%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

 3 / 6 mph -27 / -37°F 99% 1048 mb
Low level cloud: 100%
Mid level cloud: 23%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

 3 / 6 mph -29 / -39°F 99% 1048 mb
Low level cloud: 98%
Mid level cloud: 25%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

 2 / 3 mph -12 / -19°F 93% 1047 mb
Low level cloud: 95%
Mid level cloud: 77%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

 2 / 3 mph 1 / -5°F 86% 1044 mb
Low level cloud: 96%
Mid level cloud: 43%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

 2 / 3 mph -3 / -3°F 95% 1043 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 52%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

 4 / 8 mph -20 / -31°F 99% 1044 mb
Low level cloud: 79%
Mid level cloud: 44%
High level cloud: 58%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 08
Feb		00:00

SSE
SSE

 3 / 7 mph -21 / -31°F 99% 1043 mb
Low level cloud: 99%
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
03:00

SSE
SSE

 3 / 7 mph -19 / -29°F 99% 1041 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 46%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 3 / 6 mph -18 / -28°F 99% 1040 mb
Low level cloud: 100%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 3 / 7 mph -21 / -32°F 99% 1039 mb
Low level cloud: 100%
Mid level cloud: 72%
High level cloud: 60%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 4 / 7 mph -8 / -19°F 95% 1036 mb
Low level cloud: 99%
Mid level cloud: 71%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 6 / 8 mph 4 / -8°F 87% 1033 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 6 / 8 mph 3 / -9°F 91% 1030 mb
Low level cloud: 100%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

 4 / 9 mph -15 / -28°F 100% 1030 mb
Low level cloud: 100%
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 09
Feb		00:00

SSE
SSE

 4 / 9 mph -19 / -31°F 100% 1028 mb
Low level cloud: 69%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

 4 / 8 mph -19 / -30°F 100% 1025 mb
Low level cloud: 73%
Mid level cloud: 88%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSE
SSE

 4 / 8 mph -19 / -30°F 99% 1023 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

 4 / 8 mph -12 / -22°F 97% 1022 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 44%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

 5 / 7 mph -2 / -13°F 92% 1020 mb
Low level cloud: 69%
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
15:00

SSE
SSE

 7 / 8 mph 9 / -2°F 89% 1018 mb
Low level cloud: 82%
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
18:00

SSE
SSE

 6 / 7 mph 10 / 0°F 91% 1018 mb
Low level cloud: 66%
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
21:00

S
S

 7 / 10 mph 9 / -2°F 91% 1019 mb
Low level cloud: 69%
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
Mon 10
Feb		00:00

S
S

 6 / 9 mph 10 / 0°F 92% 1019 mb
Low level cloud: 68%
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
03:00

SSE
SSE

 5 / 7 mph 9 / 0°F 95% 1019 mb
Low level cloud: 72%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 5 / 7 mph 9 / 0°F 95% 1020 mb
Low level cloud: 74%
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
09:00

S
S

 5 / 7 mph 9 / 0°F 95% 1021 mb
Low level cloud: 81%
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
12:00

S
S

 6 / 7 mph 10 / 0°F 91% 1022 mb
Low level cloud: 97%
Mid level cloud: 100%
High level cloud: 68%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 7 / 8 mph 15 / 4°F 85% 1022 mb
Low level cloud: 100%
Mid level cloud: 45%
High level cloud: 65%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

 6 / 8 mph 13 / 4°F 90% 1024 mb
Low level cloud: 100%
Mid level cloud: 30%
High level cloud: 66%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

 4 / 9 mph -5 / -16°F 99% 1026 mb
Low level cloud: 57%
Mid level cloud: 45%
High level cloud: 35%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 11
Feb		00:00

S
S

 5 / 10 mph -7 / -18°F 99% 1027 mb
Low level cloud: 69%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 5 / 10 mph -7 / -19°F 99% 1028 mb
Low level cloud: 77%
Mid level cloud: 38%
High level cloud: 73%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 5 / 10 mph -7 / -18°F 99% 1028 mb
Low level cloud: 82%
Mid level cloud: 30%
High level cloud: 37%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 5 / 10 mph -5 / -16°F 98% 1028 mb
Low level cloud: 91%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 6 / 9 mph 7 / -3°F 94% 1027 mb
Low level cloud: 94%
Mid level cloud: 47%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 9 / 11 mph 17 / 6°F 86% 1025 mb
Low level cloud: 100%
Mid level cloud: 61%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 8 / 10 mph 17 / 7°F 88% 1024 mb
Low level cloud: 87%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 7 / 13 mph 11 / 1°F 92% 1023 mb
Low level cloud: 66%
Mid level cloud: 100%
High level cloud: 96%
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
Wed 12
Feb		03:00

NW
NW

 4 / 6 mph 9 / 1°F 97% 1019 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 11%
Most Significant Cloud Type: low
100%
0.0 In
09:00

SSW
SSW

 11 / 20 mph 19 / 7°F 93% 1004 mb
Low level cloud: 68%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
15:00

S
S

 5 / 6 mph 20 / 13°F 87% 1011 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 50%
Most Significant Cloud Type: low
100%
0.0 In
21:00

WSW
WSW

 11 / 15 mph 19 / 8°F 89% 1008 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 55%
Most Significant Cloud Type: low
100%
0.1 In
Thu 13
Feb		03:00

SSW
SSW

 7 / 10 mph 18 / 9°F 94% 1008 mb
Low level cloud: 67%
Mid level cloud: 100%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.1 In
09:00

S
S

 5 / 11 mph -5 / -16°F 99% 1017 mb
Low level cloud: 86%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
15:00

SW
SW

 8 / 10 mph 19 / 9°F 83% 1011 mb
Low level cloud: 86%
Mid level cloud: 100%
High level cloud: 34%
Most Significant Cloud Type: low
100%
0.0 In
21:00

SE
SE

 3 / 7 mph 0 / -7°F 97% 1018 mb
Low level cloud: 69%
Mid level cloud: 100%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.0 In
Fri 14
Feb		03:00

SW
SW

 6 / 9 mph 13 / 3°F 95% 1013 mb
Low level cloud: 91%
Mid level cloud: 100%
High level cloud: 91%
Most Significant Cloud Type: low
100%
0.0 In
09:00

SSE
SSE

 4 / 7 mph 3 / -5°F 98% 1018 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
15:00

SSW
SSW

 8 / 9 mph 18 / 8°F 88% 1013 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 80%
Most Significant Cloud Type: low
100%
0.0 In
21:00

SSW
SSW

 3 / 6 mph 10 / 5°F 98% 1022 mb
Low level cloud: 85%
Mid level cloud: 100%
High level cloud: 53%
Most Significant Cloud Type: low
100%
0.0 In
Sat 15
Feb		03:00

SE
SE

 3 / 7 mph 7 / 1°F 97% 1012 mb
Low level cloud: 84%
Mid level cloud: 100%
High level cloud: 64%
Most Significant Cloud Type: low
100%
0.0 In
09:00

SSW
SSW

 4 / 7 mph -5 / -13°F 99% 1029 mb
Low level cloud: 100%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
15:00

WSW
WSW

 5 / 6 mph 20 / 12°F 91% 1013 mb
Low level cloud: 85%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.1 In
21:00

SE
SE

 3 / 7 mph -11 / -20°F 100% 1032 mb
Low level cloud: 40%
Mid level cloud: 46%
High level cloud: 11%
Most Significant Cloud Type: low
57%
0.0 In
Sun 16
Feb		03:00

SW
SW

 4 / 8 mph 2 / -6°F 99% 1023 mb
Low level cloud: 98%
Mid level cloud: 69%
High level cloud: 17%
Most Significant Cloud Type: low
100%
0.0 In
09:00

ESE
ESE

 3 / 7 mph -11 / -21°F 100% 1027 mb
Low level cloud: 29%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
15:00

SW
SW

 7 / 9 mph 14 / 3°F 85% 1027 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
21:00

ESE
ESE

 3 / 7 mph -6 / -15°F 100% 1021 mb
Low level cloud: 20%
Mid level cloud: 43%
High level cloud: 46%
Most Significant Cloud Type: low
40%
0.0 In
Mon 17
Feb		03:00

SSE
SSE

 3 / 6 mph -7 / -14°F 100% 1031 mb
Low level cloud: 100%
Mid level cloud: 87%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.0 In
09:00

S
S

 2 / 5 mph -13 / -19°F 100% 1023 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 52%
Most Significant Cloud Type: low
100%
0.0 In
15:00

SSE
SSE

 4 / 4 mph 18 / 12°F 81% 1030 mb
Low level cloud: 59%
Mid level cloud: 52%
High level cloud: 97%
Most Significant Cloud Type: low
89%
0.0 In
21:00

SW
SW

 3 / 7 mph 0 / -8°F 98% 1028 mb
Low level cloud: 74%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Tue 18
Feb		03:00

SE
SE

 3 / 6 mph -6 / -13°F 99% 1034 mb
Low level cloud: 34%
Mid level cloud: 83%
High level cloud: 29%
Most Significant Cloud Type: low
66%
0.0 In
09:00

SSW
SSW

 4 / 9 mph -10 / -21°F 100% 1033 mb
Low level cloud: 99%
Mid level cloud: 60%
High level cloud: 89%
Most Significant Cloud Type: low
100%
0.0 In
15:00

SSE
SSE

 4 / 4 mph 24 / 19°F 86% 1033 mb
Low level cloud: 86%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
21:00

SSE
SSE

 2 / 5 mph -5 / -11°F 99% 1033 mb
Low level cloud: 42%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
81%
0.0 In
Wed 19
Feb		03:00

ESE
ESE

 3 / 6 mph -5 / -13°F 100% 1035 mb
Low level cloud: 22%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
28%
0.0 In
09:00

SE
SE

 1 / 2 mph -7 / -7°F 100% 1030 mb
Low level cloud: 89%
Mid level cloud: 100%
High level cloud: 26%
Most Significant Cloud Type: low
100%
0.0 In
15:00

SE
SE

 6 / 8 mph 27 / 20°F 82% 1030 mb
Low level cloud: 17%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
19%
0.0 In
21:00

NE
NE

 3 / 6 mph 4 / -2°F 98% 1027 mb
Low level cloud: 91%
Mid level cloud: 96%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.0 In
Thu 20
Feb		03:00

ESE
ESE

 4 / 7 mph -4 / -12°F 99% 1031 mb
Low level cloud: 1%
Mid level cloud: 8%
High level cloud: 14%
Most Significant Cloud Type: medium
9%
0.0 In
09:00

NE
NE

 3 / 5 mph 8 / 2°F 97% 1019 mb
Low level cloud: 76%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
15:00

W
W

 10 / 12 mph 19 / 8°F 93% 1031 mb
Low level cloud: 75%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
21:00

WNW
WNW

 2 / 5 mph 4 / -1°F 99% 1019 mb
Low level cloud: 94%
Mid level cloud: 94%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 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