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Trento 14 Day Long Range Forecast

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

Italy

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

The outlook for Trento in the two weeks ahead shows the average daytime maximum temperature will be around 26°C, with a high for the two weeks of 32°C expected on the afternoon of Friday 15th. The mean minimum temperature will be 11°C, dipping to its lowest on the morning of Saturday 23rd at 7°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. The current forecast indicates Thursday 21st will have the most precipitation with an accumulation of around 18.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 15
Aug		19:00

NW
NW

 4 / 7 mph 63 / 61°F 98% 1023 mb
Low level cloud: 62%
Mid level cloud: 17%
High level cloud: 99%
Most Significant Cloud Type: low
80%
Expect 0.5 In of precipitation over the past 3 hours.
0.5 In
22:00

NNE
NNE

 4 / 8 mph 58 / 58°F 96% 1023 mb
Low level cloud: 37%
Mid level cloud: 6%
High level cloud: 97%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 16
Aug		01:00

NNE
NNE

 3 / 7 mph 57 / 57°F 94% 1022 mb
Low level cloud: 19%
Mid level cloud: 12%
High level cloud: 93%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

 4 / 8 mph 56 / 56°F 92% 1021 mb
Low level cloud: 11%
Mid level cloud: 11%
High level cloud: 4%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 3 / 6 mph 61 / 59°F 88% 1020 mb
Low level cloud: 4%
Mid level cloud: 9%
High level cloud: 13%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

 2 / 2 mph 82 / 80°F 53% 1018 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 15%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 2 / 2 mph 89 / 87°F 37% 1016 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 32%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

 3 / 4 mph 75 / 76°F 74% 1017 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 52%
Most Significant Cloud Type: medium
45%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

N
N

 2 / 3 mph 65 / 62°F 97% 1018 mb
Low level cloud: 56%
Mid level cloud: 15%
High level cloud: 32%
Most Significant Cloud Type: low
64%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
22:00

NNE
NNE

 4 / 9 mph 58 / 58°F 95% 1018 mb
Low level cloud: 25%
Mid level cloud: 13%
High level cloud: 13%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 17
Aug		01:00

NNE
NNE

 4 / 8 mph 56 / 56°F 93% 1017 mb
Low level cloud: 12%
Mid level cloud: 19%
High level cloud: 11%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

 4 / 8 mph 54 / 54°F 90% 1016 mb
Low level cloud: 3%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 3 / 6 mph 60 / 58°F 85% 1016 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 17%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

 3 / 3 mph 80 / 79°F 50% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 7%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 2 / 2 mph 88 / 84°F 38% 1012 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 6%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 5 / 6 mph 87 / 84°F 43% 1011 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 3%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 1 / 2 mph 69 / 67°F 75% 1013 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 2%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 3 / 6 mph 60 / 60°F 89% 1016 mb
Low level cloud: 3%
Mid level cloud: 28%
High level cloud: 14%
Most Significant Cloud Type: medium
38%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Mon 18
Aug		01:00

NNE
NNE

 3 / 6 mph 57 / 58°F 94% 1017 mb
Low level cloud: 19%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

NNE
NNE

 2 / 4 mph 56 / 56°F 92% 1017 mb
Low level cloud: 8%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: medium
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 2 / 2 mph 64 / 63°F 90% 1017 mb
Low level cloud: 12%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: medium
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 1 / 2 mph 75 / 76°F 71% 1017 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 91%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 5 / 6 mph 81 / 80°F 61% 1016 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 5 / 6 mph 80 / 79°F 62% 1015 mb
Low level cloud: 0%
Mid level cloud: 36%
High level cloud: 100%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 4 / 8 mph 66 / 64°F 85% 1016 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

 1 / 3 mph 59 / 60°F 94% 1018 mb
Low level cloud: 14%
Mid level cloud: 23%
High level cloud: 1%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 19
Aug		01:00

E
E

 1 / 2 mph 58 / 58°F 94% 1018 mb
Low level cloud: 17%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

 2 / 4 mph 56 / 56°F 95% 1018 mb
Low level cloud: 24%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 2 / 2 mph 68 / 65°F 87% 1017 mb
Low level cloud: 17%
Mid level cloud: 46%
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

WSW
WSW

 1 / 1 mph 79 / 79°F 64% 1016 mb
Low level cloud: 6%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 4 / 5 mph 83 / 82°F 57% 1014 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 8%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 5 / 6 mph 81 / 80°F 66% 1014 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 2 / 5 mph 67 / 65°F 85% 1014 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 93%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

 1 / 2 mph 61 / 61°F 89% 1015 mb
Low level cloud: 4%
Mid level cloud: 13%
High level cloud: 33%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 20
Aug		01:00

NE
NE

 1 / 3 mph 59 / 58°F 93% 1014 mb
Low level cloud: 13%
Mid level cloud: 18%
High level cloud: 32%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

 0 / 1 mph 57 / 57°F 96% 1013 mb
Low level cloud: 33%
Mid level cloud: 46%
High level cloud: 78%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

 1 / 2 mph 64 / 62°F 97% 1013 mb
Low level cloud: 56%
Mid level cloud: 49%
High level cloud: 44%
Most Significant Cloud Type: low
78%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

W
W

 1 / 1 mph 72 / 69°F 86% 1012 mb
Low level cloud: 21%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
49%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

SSW
SSW

 2 / 4 mph 76 / 77°F 81% 1010 mb
Low level cloud: 11%
Mid level cloud: 44%
High level cloud: 30%
Most Significant Cloud Type: medium
74%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

SW
SW

 4 / 7 mph 72 / 69°F 93% 1010 mb
Low level cloud: 31%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
58%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

NNE
NNE

 2 / 4 mph 62 / 59°F 97% 1010 mb
Low level cloud: 47%
Mid level cloud: 46%
High level cloud: 17%
Most Significant Cloud Type: low
65%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

NNE
NNE

 2 / 4 mph 57 / 59°F 96% 1011 mb
Low level cloud: 30%
Mid level cloud: 31%
High level cloud: 6%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 21
Aug		01:00

NNE
NNE

 2 / 4 mph 55 / 55°F 95% 1010 mb
Low level cloud: 24%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 2 / 4 mph 54 / 55°F 95% 1009 mb
Low level cloud: 23%
Mid level cloud: 44%
High level cloud: 20%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

 2 / 2 mph 58 / 57°F 96% 1009 mb
Low level cloud: 45%
Mid level cloud: 69%
High level cloud: 79%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

 1 / 2 mph 62 / 62°F 98% 1008 mb
Low level cloud: 76%
Mid level cloud: 90%
High level cloud: 97%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

SSW
SSW

 0 / 0 mph 62 / 62°F 99% 1007 mb
Low level cloud: 97%
Mid level cloud: 97%
High level cloud: 93%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
16:00

N
N

 4 / 7 mph 62 / 62°F 98% 1007 mb
Low level cloud: 72%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

N
N

 3 / 4 mph 59 / 59°F 98% 1007 mb
Low level cloud: 69%
Mid level cloud: 46%
High level cloud: 42%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

 3 / 5 mph 53 / 53°F 96% 1007 mb
Low level cloud: 42%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: low
70%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 22
Aug		01:00

E
E

 1 / 2 mph 60 / 60°F 93% 1008 mb
Low level cloud: 10%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
74%
0.0 In
07:00

NNE
NNE

 2 / 5 mph 65 / 65°F 84% 1012 mb
Low level cloud: 1%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
0.0 In
13:00

SSW
SSW

 5 / 10 mph 81 / 81°F 46% 1012 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 2%
Most Significant Cloud Type: medium
13%
0.0 In
19:00

S
S

 4 / 9 mph 61 / 61°F 89% 1016 mb
Low level cloud: 4%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
Sat 23
Aug		01:00

ENE
ENE

 2 / 4 mph 55 / 57°F 96% 1012 mb
Low level cloud: 34%
Mid level cloud: 45%
High level cloud: 99%
Most Significant Cloud Type: low
62%
0.0 In
07:00

N
N

 3 / 6 mph 53 / 53°F 89% 1017 mb
Low level cloud: 9%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
72%
0.0 In
13:00

N
N

 2 / 4 mph 75 / 76°F 33% 1015 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 10%
Most Significant Cloud Type: medium
14%
0.0 In
19:00

S
S

 3 / 6 mph 67 / 67°F 90% 1012 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 8%
Most Significant Cloud Type: medium
19%
0.0 In
Sun 24
Aug		01:00

NNE
NNE

 2 / 4 mph 51 / 51°F 95% 1024 mb
Low level cloud: 21%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
30%
0.0 In
07:00

NNE
NNE

 2 / 4 mph 65 / 65°F 92% 1013 mb
Low level cloud: 20%
Mid level cloud: 43%
High level cloud: 5%
Most Significant Cloud Type: low
35%
0.0 In
13:00

SSW
SSW

 4 / 9 mph 76 / 77°F 47% 1020 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 4%
Most Significant Cloud Type: medium
14%
0.0 In
19:00

SSE
SSE

 2 / 4 mph 65 / 65°F 90% 1011 mb
Low level cloud: 1%
Mid level cloud: 19%
High level cloud: 99%
Most Significant Cloud Type: medium
25%
0.2 In
Mon 25
Aug		01:00

NE
NE

 2 / 4 mph 54 / 55°F 95% 1022 mb
Low level cloud: 21%
Mid level cloud: 18%
High level cloud: 16%
Most Significant Cloud Type: low
29%
0.0 In
07:00

SSW
SSW

 1 / 1 mph 60 / 60°F 95% 1013 mb
Low level cloud: 34%
Mid level cloud: 52%
High level cloud: 100%
Most Significant Cloud Type: low
64%
0.2 In
13:00

S
S

 5 / 11 mph 72 / 76°F 66% 1019 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 18%
Most Significant Cloud Type: medium
25%
0.1 In
19:00

N
N

 3 / 6 mph 61 / 61°F 99% 1015 mb
Low level cloud: 76%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.4 In
Tue 26
Aug		01:00

NE
NE

 2 / 4 mph 53 / 53°F 94% 1021 mb
Low level cloud: 20%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.2 In
07:00

N
N

 2 / 5 mph 60 / 60°F 93% 1015 mb
Low level cloud: 27%
Mid level cloud: 26%
High level cloud: 21%
Most Significant Cloud Type: low
38%
0.1 In
13:00

S
S

 5 / 10 mph 74 / 77°F 55% 1018 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
0.0 In
19:00

S
S

 4 / 9 mph 60 / 60°F 95% 1014 mb
Low level cloud: 33%
Mid level cloud: 35%
High level cloud: 0%
Most Significant Cloud Type: low
44%
0.0 In
Wed 27
Aug		01:00

ENE
ENE

 2 / 3 mph 52 / 52°F 92% 1020 mb
Low level cloud: 10%
Mid level cloud: 43%
High level cloud: 8%
Most Significant Cloud Type: medium
70%
0.0 In
07:00

NNE
NNE

 2 / 4 mph 62 / 62°F 94% 1014 mb
Low level cloud: 36%
Mid level cloud: 28%
High level cloud: 96%
Most Significant Cloud Type: low
56%
0.0 In
13:00

SSW
SSW

 4 / 9 mph 77 / 78°F 51% 1016 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 46%
Most Significant Cloud Type: medium
22%
0.0 In
19:00

SSE
SSE

 2 / 4 mph 59 / 59°F 96% 1010 mb
Low level cloud: 28%
Mid level cloud: 24%
High level cloud: 100%
Most Significant Cloud Type: low
48%
0.2 In
Thu 28
Aug		01:00

ESE
ESE

 1 / 3 mph 54 / 54°F 91% 1016 mb
Low level cloud: 6%
Mid level cloud: 41%
High level cloud: 32%
Most Significant Cloud Type: medium
58%
0.0 In
07:00

N
N

 3 / 6 mph 59 / 59°F 94% 1010 mb
Low level cloud: 30%
Mid level cloud: 20%
High level cloud: 11%
Most Significant Cloud Type: low
38%
0.1 In
13:00

S
S

 4 / 9 mph 73 / 77°F 60% 1012 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 95%
Most Significant Cloud Type: medium
48%
0.0 In
19:00

S
S

 2 / 5 mph 58 / 59°F 93% 1013 mb
Low level cloud: 12%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
80%
0.2 In
Fri 29
Aug		01:00

NE
NE

 2 / 4 mph 56 / 58°F 91% 1014 mb
Low level cloud: 16%
Mid level cloud: 65%
High level cloud: 22%
Most Significant Cloud Type: medium
100%
0.1 In
07:00

NNE
NNE

 3 / 7 mph 54 / 54°F 90% 1019 mb
Low level cloud: 8%
Mid level cloud: 27%
High level cloud: 12%
Most Significant Cloud Type: medium
49%
0.2 In
13:00

SSE
SSE

 3 / 6 mph 72 / 76°F 70% 1013 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 18%
Most Significant Cloud Type: medium
47%
0.1 In
19:00

SSW
SSW

 3 / 6 mph 62 / 62°F 89% 1017 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 11%
Most Significant Cloud Type: medium
17%
0.0 In
Sat 30
Aug		01:00

ESE
ESE

 1 / 3 mph 57 / 57°F 97% 1018 mb
Low level cloud: 48%
Mid level cloud: 80%
High level cloud: 31%
Most Significant Cloud Type: low
79%
0.4 In
07:00

NNE
NNE

 2 / 4 mph 63 / 63°F 86% 1020 mb
Low level cloud: 6%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
10%
0.0 In
13:00

E
E

 2 / 4 mph 72 / 76°F 72% 1019 mb
Low level cloud: 0%
Mid level cloud: 37%
High level cloud: 7%
Most Significant Cloud Type: medium
37%
0.2 In
19:00

S
S

 4 / 8 mph 64 / 64°F 92% 1018 mb
Low level cloud: 10%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
15%
0.0 In

Other Locations Near to Trento

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