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Pori 14 Day Long Range Forecast

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

Finland

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

The outlook for Pori in the two weeks ahead shows the average daytime maximum temperature will be around 0°C, with a high for the two weeks of 2°C expected on the afternoon of Wednesday 5th. The average minimum temperature will be -4°C, dipping to its lowest on the morning of Saturday 15th at -7°C. Expect the next 14 days have mostly dry days although Wednesday is likely to see a little rain, sleet or snow. Current predictions suggest Wednesday 5th will have the most precipitation with an accumulation of around 2.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 05
Feb		20:00

SW
SW

 6 / 11 mph 35 / 29°F 98% 1023 mb
Low level cloud: 97%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

WNW
WNW

 6 / 13 mph 34 / 28°F 91% 1027 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 06
Feb		02:00

NW
NW

 5 / 11 mph 31 / 26°F 92% 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
05:00

NNW
NNW

 5 / 10 mph 30 / 25°F 92% 1034 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NNW
NNW

 3 / 7 mph 28 / 24°F 96% 1038 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

NNE
NNE

 2 / 5 mph 31 / 29°F 89% 1041 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
14:00

NW
NW

 3 / 5 mph 33 / 31°F 86% 1044 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
17:00

WSW
WSW

 3 / 6 mph 29 / 27°F 95% 1045 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
20:00

SW
SW

 3 / 6 mph 27 / 24°F 94% 1047 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 33%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

SSW
SSW

 3 / 7 mph 28 / 24°F 94% 1048 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 16%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 07
Feb		02:00

S
S

 4 / 10 mph 28 / 23°F 92% 1049 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 3%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

S
S

 5 / 11 mph 27 / 21°F 91% 1049 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 22%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

S
S

 6 / 12 mph 28 / 22°F 91% 1049 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SSW
SSW

 7 / 13 mph 31 / 25°F 82% 1050 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 21%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SSW
SSW

 7 / 11 mph 33 / 27°F 81% 1050 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 58%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SSW
SSW

 6 / 9 mph 33 / 28°F 92% 1050 mb
Low level cloud: 15%
Mid level cloud: 100%
High level cloud: 17%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

S
S

 6 / 9 mph 31 / 25°F 95% 1051 mb
Low level cloud: 42%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

SSE
SSE

 6 / 9 mph 29 / 23°F 97% 1051 mb
Low level cloud: 71%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 08
Feb		02:00

SSE
SSE

 5 / 9 mph 29 / 24°F 89% 1051 mb
Low level cloud: 5%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

SE
SE

 5 / 11 mph 26 / 20°F 96% 1051 mb
Low level cloud: 38%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SE
SE

 6 / 12 mph 25 / 18°F 95% 1050 mb
Low level cloud: 21%
Mid level cloud: 2%
High level cloud: 6%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SE
SE

 6 / 10 mph 28 / 22°F 86% 1049 mb
Low level cloud: 6%
Mid level cloud: 3%
High level cloud: 4%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SE
SE

 7 / 10 mph 32 / 26°F 83% 1048 mb
Low level cloud: 2%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ESE
ESE

 6 / 11 mph 28 / 22°F 93% 1046 mb
Low level cloud: 11%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SE
SE

 7 / 12 mph 27 / 19°F 92% 1046 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

SE
SE

 6 / 10 mph 25 / 18°F 94% 1045 mb
Low level cloud: 31%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 09
Feb		02:00

SSE
SSE

 6 / 11 mph 26 / 19°F 94% 1045 mb
Low level cloud: 29%
Mid level cloud: 44%
High level cloud: 55%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

SSE
SSE

 5 / 11 mph 25 / 18°F 94% 1044 mb
Low level cloud: 29%
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
08:00

SSE
SSE

 6 / 11 mph 26 / 20°F 94% 1044 mb
Low level cloud: 28%
Mid level cloud: 46%
High level cloud: 52%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

S
S

 5 / 8 mph 30 / 24°F 91% 1045 mb
Low level cloud: 28%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SW
SW

 5 / 7 mph 32 / 28°F 91% 1045 mb
Low level cloud: 82%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

WSW
WSW

 3 / 6 mph 32 / 29°F 89% 1045 mb
Low level cloud: 100%
Mid level cloud: 6%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

WSW
WSW

 4 / 7 mph 31 / 27°F 92% 1046 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
23:00

WSW
WSW

 4 / 9 mph 28 / 23°F 95% 1046 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 10
Feb		02:00

WSW
WSW

 4 / 9 mph 27 / 22°F 93% 1046 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: high
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

WSW
WSW

 4 / 9 mph 27 / 22°F 94% 1046 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 14%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

WNW
WNW

 2 / 5 mph 26 / 23°F 96% 1047 mb
Low level cloud: 1%
Mid level cloud: 4%
High level cloud: 20%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

N
N

 2 / 4 mph 29 / 29°F 88% 1047 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
14:00

WNW
WNW

 0 / 1 mph 32 / 32°F 84% 1048 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
17:00

SW
SW

 2 / 4 mph 27 / 27°F 94% 1048 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

S
S

 2 / 5 mph 27 / 24°F 95% 1048 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
23:00

SSW
SSW

 3 / 6 mph 25 / 22°F 94% 1048 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
Tue 11
Feb		02:00

SSW
SSW

 4 / 8 mph 26 / 21°F 94% 1048 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
05:00

SSW
SSW

 5 / 10 mph 25 / 19°F 93% 1047 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SW
SW

 5 / 11 mph 26 / 20°F 93% 1046 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 2%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SW
SW

 6 / 13 mph 30 / 24°F 85% 1046 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 5%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SW
SW

 7 / 12 mph 33 / 26°F 84% 1046 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 10%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SSW
SSW

 6 / 10 mph 33 / 26°F 90% 1045 mb
Low level cloud: 1%
Mid level cloud: 6%
High level cloud: 19%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SSW
SSW

 7 / 13 mph 30 / 23°F 89% 1045 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
23:00

SSW
SSW

 7 / 15 mph 28 / 20°F 90% 1044 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: high
5%
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		02:00

NW
NW

 2 / 3 mph 28 / 28°F 96% 1050 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
0.0 In
08:00

SE
SE

 4 / 8 mph 21 / 15°F 95% 1049 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
14:00

SW
SW

 2 / 3 mph 36 / 34°F 86% 1050 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.0 In
20:00

ESE
ESE

 4 / 7 mph 24 / 20°F 94% 1047 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 13
Feb		02:00

SE
SE

 4 / 9 mph 24 / 18°F 98% 1045 mb
Low level cloud: 45%
Mid level cloud: 6%
High level cloud: 2%
Most Significant Cloud Type: low
46%
0.0 In
08:00

SE
SE

 3 / 7 mph 23 / 19°F 99% 1034 mb
Low level cloud: 56%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
55%
0.0 In
14:00

SW
SW

 8 / 12 mph 32 / 25°F 84% 1036 mb
Low level cloud: 2%
Mid level cloud: 18%
High level cloud: 1%
Most Significant Cloud Type: medium
23%
0.0 In
20:00

ENE
ENE

 5 / 8 mph 29 / 24°F 92% 1034 mb
Low level cloud: 2%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.0 In
Fri 14
Feb		02:00

W
W

 3 / 7 mph 27 / 23°F 94% 1031 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
0.0 In
08:00

E
E

 5 / 9 mph 22 / 15°F 84% 1037 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
14:00

E
E

 5 / 6 mph 27 / 21°F 85% 1031 mb
Low level cloud: 25%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.0 In
20:00

ESE
ESE

 4 / 5 mph 27 / 22°F 88% 1036 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: medium
4%
0.0 In
Sat 15
Feb		02:00

ESE
ESE

 6 / 12 mph 19 / 12°F 84% 1031 mb
Low level cloud: 100%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
08:00

ESE
ESE

 4 / 6 mph 22 / 16°F 91% 1034 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
14:00

E
E

 8 / 11 mph 25 / 17°F 64% 1033 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 6%
Most Significant Cloud Type: medium
17%
0.0 In
20:00

E
E

 4 / 6 mph 24 / 19°F 88% 1035 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
0.0 In
Sun 16
Feb		02:00

E
E

 6 / 11 mph 15 / 6°F 87% 1035 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
08:00

E
E

 5 / 8 mph 19 / 11°F 91% 1038 mb
Low level cloud: 67%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.0 In
14:00

ENE
ENE

 5 / 7 mph 21 / 15°F 65% 1038 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
20:00

E
E

 4 / 5 mph 22 / 16°F 82% 1039 mb
Low level cloud: 58%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
61%
0.0 In
Mon 17
Feb		02:00

NNE
NNE

 3 / 5 mph 15 / 10°F 91% 1041 mb
Low level cloud: 5%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
6%
0.0 In
08:00

NE
NE

 4 / 5 mph 16 / 10°F 86% 1043 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
14:00

N
N

 3 / 3 mph 24 / 21°F 74% 1043 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
20:00

NE
NE

 5 / 6 mph 18 / 11°F 90% 1046 mb
Low level cloud: 9%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.0 In
Tue 18
Feb		02:00

S
S

 3 / 7 mph 17 / 12°F 96% 1044 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
08:00

SSW
SSW

 1 / 2 mph 15 / 15°F 96% 1047 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
15%
0.0 In
14:00

SW
SW

 6 / 9 mph 26 / 19°F 74% 1044 mb
Low level cloud: 51%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.0 In
20:00

WSW
WSW

 6 / 13 mph 23 / 15°F 85% 1041 mb
Low level cloud: 79%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
80%
0.0 In
Wed 19
Feb		02:00

SSW
SSW

 4 / 8 mph 20 / 14°F 89% 1043 mb
Low level cloud: 31%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
31%
0.0 In
08:00

NE
NE

 3 / 6 mph 17 / 13°F 98% 1039 mb
Low level cloud: 100%
Mid level cloud: 3%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.0 In
14:00

SSW
SSW

 7 / 10 mph 27 / 20°F 79% 1043 mb
Low level cloud: 62%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
63%
0.0 In
20:00

E
E

 4 / 7 mph 24 / 18°F 83% 1042 mb
Low level cloud: 100%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Thu 20
Feb		02:00

SSW
SSW

 6 / 12 mph 23 / 16°F 92% 1041 mb
Low level cloud: 94%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
93%
0.0 In
08:00

ESE
ESE

 5 / 9 mph 18 / 10°F 93% 1047 mb
Low level cloud: 16%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
18%
0.0 In
14:00

SW
SW

 10 / 15 mph 31 / 22°F 78% 1039 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
5%
0.0 In
20:00

SSE
SSE

 4 / 6 mph 23 / 18°F 84% 1052 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In

Other Locations Near to Pori

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