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Uniao Da Vitoria 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Uniao Da Vitoria

Brazil

Long range weather outlook for Uniao Da Vitoria includes 14 day forecast summary:

Reviewing the forecast for Uniao Da Vitoria Over the next 14 days and 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 4th. The average minimum temperature will be 16°C, dipping to its lowest on the morning of Monday 7th at 13°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain. Predictions are Thursday 3rd will have the most precipitation with an accumulation of around 24.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 01
Dec
13:00

ENE
ENE

3 / 4 mph 80 / 79°F 77% 1014 mb
Low level cloud: 10%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
72%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
16:00

NNW
NNW

1 / 1 mph 80 / 80°F 89% 1012 mb
Low level cloud: 36%
Mid level cloud: 25%
High level cloud: 4%
Most Significant Cloud Type: low
44%
Expect 0.23 In of precipitation over the past 3 hours.
0.23 In
19:00

ESE
ESE

2 / 3 mph 77 / 76°F 97% 1011 mb
Low level cloud: 42%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.16 In of precipitation over the past 3 hours.
0.16 In
22:00

ESE
ESE

4 / 7 mph 64 / 64°F 99% 1013 mb
Low level cloud: 71%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
80%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
Wed 02
Dec
01:00

E
E

4 / 6 mph 64 / 64°F 99% 1014 mb
Low level cloud: 89%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

E
E

3 / 4 mph 63 / 63°F 99% 1012 mb
Low level cloud: 98%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

E
E

2 / 3 mph 63 / 63°F 99% 1013 mb
Low level cloud: 95%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

ENE
ENE

3 / 3 mph 74 / 76°F 81% 1014 mb
Low level cloud: 38%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

NNE
NNE

4 / 4 mph 85 / 83°F 57% 1012 mb
Low level cloud: 2%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: medium
50%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

N
N

5 / 6 mph 87 / 86°F 52% 1009 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 99%
Most Significant Cloud Type: medium
22%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
19:00

ENE
ENE

4 / 5 mph 83 / 82°F 66% 1006 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 4%
Most Significant Cloud Type: medium
17%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

NE
NE

3 / 6 mph 67 / 67°F 91% 1008 mb
Low level cloud: 8%
Mid level cloud: 18%
High level cloud: 21%
Most Significant Cloud Type: low
16%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Thu 03
Dec
01:00

E
E

4 / 6 mph 66 / 66°F 99% 1009 mb
Low level cloud: 80%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.09 In of precipitation over the past 3 hours.
0.09 In
04:00

ENE
ENE

4 / 9 mph 66 / 66°F 100% 1007 mb
Low level cloud: 84%
Mid level cloud: 45%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.31 In of precipitation over the past 3 hours.
0.31 In
07:00

NW
NW

4 / 6 mph 67 / 64°F 98% 1008 mb
Low level cloud: 52%
Mid level cloud: 18%
High level cloud: 86%
Most Significant Cloud Type: low
68%
Expect 0.53 In of precipitation over the past 3 hours.
0.53 In
10:00

WNW
WNW

6 / 7 mph 76 / 76°F 73% 1009 mb
Low level cloud: 53%
Mid level cloud: 26%
High level cloud: 19%
Most Significant Cloud Type: low
64%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

WNW
WNW

10 / 12 mph 79 / 79°F 63% 1007 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 92%
Most Significant Cloud Type: medium
48%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
16:00

WNW
WNW

7 / 9 mph 78 / 78°F 72% 1006 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 19%
Most Significant Cloud Type: medium
47%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
19:00

W
W

4 / 6 mph 80 / 79°F 67% 1006 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 14%
Most Significant Cloud Type: medium
27%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

W
W

2 / 4 mph 64 / 64°F 94% 1009 mb
Low level cloud: 14%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 04
Dec
01:00

WNW
WNW

2 / 3 mph 62 / 62°F 98% 1012 mb
Low level cloud: 59%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

S
S

2 / 4 mph 62 / 62°F 98% 1012 mb
Low level cloud: 51%
Mid level cloud: 40%
High level cloud: 0%
Most Significant Cloud Type: low
65%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
07:00

SW
SW

1 / 2 mph 64 / 61°F 98% 1014 mb
Low level cloud: 58%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

SSE
SSE

1 / 1 mph 83 / 81°F 58% 1014 mb
Low level cloud: 10%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

ESE
ESE

3 / 3 mph 89 / 87°F 40% 1012 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 39%
Most Significant Cloud Type: medium
13%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

NE
NE

1 / 1 mph 90 / 86°F 41% 1012 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 100%
Most Significant Cloud Type: medium
28%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

N
N

2 / 3 mph 78 / 77°F 73% 1013 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 71%
Most Significant Cloud Type: medium
50%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
22:00

E
E

6 / 9 mph 65 / 65°F 99% 1016 mb
Low level cloud: 68%
Mid level cloud: 80%
High level cloud: 3%
Most Significant Cloud Type: low
96%
Expect 0.11 In of precipitation over the past 3 hours.
0.11 In
Sat 05
Dec
01:00

E
E

7 / 11 mph 60 / 60°F 97% 1017 mb
Low level cloud: 81%
Mid level cloud: 79%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
04:00

E
E

6 / 8 mph 59 / 59°F 97% 1016 mb
Low level cloud: 87%
Mid level cloud: 90%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
07:00

E
E

5 / 6 mph 60 / 59°F 95% 1017 mb
Low level cloud: 70%
Mid level cloud: 47%
High level cloud: 41%
Most Significant Cloud Type: low
91%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

E
E

4 / 5 mph 62 / 62°F 96% 1018 mb
Low level cloud: 94%
Mid level cloud: 44%
High level cloud: 48%
Most Significant Cloud Type: low
100%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
13:00

E
E

4 / 5 mph 65 / 65°F 95% 1018 mb
Low level cloud: 82%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
16:00

E
E

4 / 5 mph 65 / 65°F 97% 1016 mb
Low level cloud: 89%
Mid level cloud: 63%
High level cloud: 89%
Most Significant Cloud Type: low
100%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
19:00

ESE
ESE

4 / 6 mph 64 / 64°F 99% 1016 mb
Low level cloud: 92%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.22 In of precipitation over the past 3 hours.
0.22 In
22:00

E
E

5 / 6 mph 62 / 62°F 99% 1016 mb
Low level cloud: 92%
Mid level cloud: 86%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.15 In of precipitation over the past 3 hours.
0.15 In
Sun 06
Dec
01:00

E
E

5 / 8 mph 58 / 57°F 100% 1016 mb
Low level cloud: 98%
Mid level cloud: 53%
High level cloud: 74%
Most Significant Cloud Type: low
100%
Expect 0.18 In of precipitation over the past 3 hours.
0.18 In
04:00

E
E

4 / 7 mph 57 / 57°F 100% 1015 mb
Low level cloud: 91%
Mid level cloud: 70%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
07:00

ESE
ESE

4 / 6 mph 57 / 57°F 99% 1015 mb
Low level cloud: 97%
Mid level cloud: 93%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
10:00

ESE
ESE

4 / 4 mph 59 / 59°F 99% 1017 mb
Low level cloud: 95%
Mid level cloud: 62%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.07 In of precipitation over the past 3 hours.
0.07 In
13:00

ESE
ESE

4 / 4 mph 60 / 60°F 97% 1017 mb
Low level cloud: 94%
Mid level cloud: 73%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
16:00

ESE
ESE

4 / 4 mph 61 / 60°F 93% 1016 mb
Low level cloud: 86%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
19:00

E
E

4 / 5 mph 60 / 60°F 93% 1015 mb
Low level cloud: 85%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

E
E

5 / 6 mph 58 / 58°F 93% 1016 mb
Low level cloud: 78%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 07
Dec
01:00

E
E

5 / 7 mph 58 / 57°F 93% 1016 mb
Low level cloud: 67%
Mid level cloud: 90%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

E
E

4 / 5 mph 57 / 57°F 97% 1015 mb
Low level cloud: 93%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
07:00

E
E

4 / 5 mph 58 / 57°F 95% 1016 mb
Low level cloud: 69%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

ENE
ENE

5 / 6 mph 63 / 63°F 79% 1016 mb
Low level cloud: 97%
Mid level cloud: 50%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

E
E

6 / 7 mph 73 / 76°F 61% 1015 mb
Low level cloud: 16%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
90%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

ENE
ENE

6 / 7 mph 79 / 78°F 57% 1013 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
19:00

E
E

5 / 8 mph 69 / 66°F 85% 1013 mb
Low level cloud: 39%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
22:00

E
E

6 / 8 mph 61 / 61°F 89% 1015 mb
Low level cloud: 69%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 08
Dec
04:00

E
E

3 / 4 mph 63 / 63°F 98% 1015 mb
Low level cloud: 67%
Mid level cloud: 87%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.01 In
10:00

ENE
ENE

4 / 5 mph 66 / 66°F 78% 1018 mb
Low level cloud: 80%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
84%
0.01 In
16:00

E
E

6 / 8 mph 76 / 79°F 70% 1012 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 13%
Most Significant Cloud Type: medium
27%
0.06 In
22:00

E
E

5 / 9 mph 63 / 63°F 94% 1015 mb
Low level cloud: 63%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.00 In
Wed 09
Dec
04:00

ESE
ESE

3 / 4 mph 57 / 58°F 97% 1014 mb
Low level cloud: 68%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.00 In
10:00

ENE
ENE

2 / 3 mph 66 / 66°F 87% 1016 mb
Low level cloud: 85%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
94%
0.00 In
16:00

ENE
ENE

3 / 4 mph 86 / 87°F 46% 1010 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.00 In
22:00

ESE
ESE

3 / 6 mph 64 / 64°F 98% 1013 mb
Low level cloud: 60%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.01 In
Thu 10
Dec
04:00

E
E

2 / 3 mph 65 / 65°F 100% 1010 mb
Low level cloud: 93%
Mid level cloud: 45%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.02 In
10:00

ENE
ENE

3 / 4 mph 74 / 78°F 68% 1013 mb
Low level cloud: 64%
Mid level cloud: 20%
High level cloud: 51%
Most Significant Cloud Type: low
77%
0.00 In
16:00

WNW
WNW

3 / 6 mph 68 / 68°F 99% 1008 mb
Low level cloud: 71%
Mid level cloud: 55%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.43 In
22:00

WSW
WSW

1 / 2 mph 66 / 65°F 97% 1010 mb
Low level cloud: 24%
Mid level cloud: 44%
High level cloud: 88%
Most Significant Cloud Type: low
49%
0.10 In
Fri 11
Dec
04:00

WSW
WSW

2 / 3 mph 60 / 60°F 99% 1009 mb
Low level cloud: 68%
Mid level cloud: 28%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.00 In
10:00

E
E

3 / 4 mph 66 / 66°F 100% 1009 mb
Low level cloud: 100%
Mid level cloud: 86%
High level cloud: 18%
Most Significant Cloud Type: low
100%
0.38 In
16:00

S
S

5 / 7 mph 74 / 78°F 82% 1006 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 5%
Most Significant Cloud Type: medium
18%
0.06 In
22:00

E
E

2 / 4 mph 66 / 66°F 100% 1007 mb
Low level cloud: 85%
Mid level cloud: 46%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.18 In
Sat 12
Dec
04:00

SE
SE

2 / 4 mph 61 / 61°F 100% 1009 mb
Low level cloud: 81%
Mid level cloud: 46%
High level cloud: 61%
Most Significant Cloud Type: low
100%
0.00 In
10:00

WNW
WNW

7 / 8 mph 75 / 78°F 74% 1008 mb
Low level cloud: 33%
Mid level cloud: 35%
High level cloud: 0%
Most Significant Cloud Type: low
45%
0.00 In
16:00

E
E

6 / 11 mph 74 / 78°F 85% 1008 mb
Low level cloud: 21%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.20 In
22:00

SW
SW

2 / 4 mph 70 / 71°F 85% 1008 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 86%
Most Significant Cloud Type: medium
14%
0.00 In
Sun 13
Dec
04:00

E
E

4 / 5 mph 62 / 62°F 100% 1012 mb
Low level cloud: 93%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.00 In
10:00

WNW
WNW

2 / 3 mph 79 / 82°F 68% 1010 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
0.00 In
16:00

N
N

4 / 4 mph 88 / 88°F 35% 1009 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
0.00 In
22:00

SE
SE

2 / 4 mph 67 / 67°F 91% 1011 mb
Low level cloud: 9%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: medium
54%
0.01 In
Mon 14
Dec
04:00

NNW
NNW

0 / 0 mph 63 / 63°F 99% 1012 mb
Low level cloud: 55%
Mid level cloud: 31%
High level cloud: 9%
Most Significant Cloud Type: low
67%
0.06 In
10:00

E
E

3 / 4 mph 71 / 71°F 87% 1013 mb
Low level cloud: 70%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
90%
0.00 In
16:00

WNW
WNW

4 / 8 mph 81 / 87°F 82% 1010 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 7%
Most Significant Cloud Type: medium
12%
0.46 In
22:00

ESE
ESE

4 / 9 mph 66 / 66°F 99% 1014 mb
Low level cloud: 67%
Mid level cloud: 18%
High level cloud: 46%
Most Significant Cloud Type: low
78%
0.21 In
Tue 15
Dec
04:00

SW
SW

1 / 2 mph 62 / 62°F 99% 1011 mb
Low level cloud: 56%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.00 In
10:00

E
E

4 / 4 mph 69 / 69°F 78% 1015 mb
Low level cloud: 65%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.00 In
16:00

SSW
SSW

2 / 3 mph 82 / 84°F 55% 1008 mb
Low level cloud: 0%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: medium
51%
0.01 In
22:00

ESE
ESE

5 / 9 mph 64 / 64°F 99% 1012 mb
Low level cloud: 60%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
75%
0.14 In
Wed 16
Dec
04:00

E
E

4 / 5 mph 66 / 66°F 94% 1011 mb
Low level cloud: 93%
Mid level cloud: 27%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.00 In
10:00

NE
NE

2 / 3 mph 70 / 70°F 75% 1011 mb
Low level cloud: 41%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
43%
0.00 In
16:00

N
N

1 / 1 mph 91 / 94°F 42% 1008 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 4%
Most Significant Cloud Type: medium
10%
0.09 In
22:00

SSW
SSW

2 / 3 mph 64 / 64°F 97% 1007 mb
Low level cloud: 28%
Mid level cloud: 19%
High level cloud: 2%
Most Significant Cloud Type: low
34%
0.08 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