Local Weather

Sao Sebastiao 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Sao Sebastiao

Brazil

Long range weather outlook for Sao Sebastiao includes 14 day forecast summary:

For Sao Sebastiao in the coming two weeks the average daytime maximum temperature will be around 27°C, with a high for the two weeks of 30°C expected on the afternoon of Monday 5th. The average minimum temperature will be 16°C, dipping to its lowest on the morning of Friday 9th at 15°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. The current forecast indicates Wednesday 31st will have the most precipitation with an accumulation of around 28.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 31
May
16:00

WSW
WSW

5 / 6 mph 70 / 69°F 96% 1018 mb
Low level cloud: 79%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.27 In of precipitation over the past 3 hours.
0.27 In
19:00

W
W

7 / 8 mph 69 / 69°F 93% 1019 mb
Low level cloud: 72%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
86%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
22:00

WSW
WSW

7 / 9 mph 67 / 67°F 93% 1021 mb
Low level cloud: 80%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
95%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
Thu 01
Jun
01:00

SE
SE

4 / 5 mph 67 / 67°F 90% 1020 mb
Low level cloud: 60%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.07 In of precipitation over the past 3 hours.
0.07 In
04:00

N
N

2 / 3 mph 65 / 65°F 87% 1020 mb
Low level cloud: 17%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
07:00

NW
NW

2 / 4 mph 62 / 62°F 88% 1020 mb
Low level cloud: 15%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

W
W

2 / 2 mph 75 / 77°F 83% 1021 mb
Low level cloud: 4%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

SSW
SSW

4 / 4 mph 80 / 82°F 71% 1020 mb
Low level cloud: 7%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

SW
SW

6 / 6 mph 78 / 79°F 82% 1019 mb
Low level cloud: 62%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
19:00

SW
SW

3 / 4 mph 72 / 76°F 84% 1020 mb
Low level cloud: 58%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

SW
SW

2 / 3 mph 68 / 68°F 85% 1021 mb
Low level cloud: 51%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 02
Jun
01:00

NW
NW

2 / 4 mph 65 / 65°F 87% 1021 mb
Low level cloud: 34%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
04:00

WNW
WNW

3 / 5 mph 63 / 63°F 87% 1020 mb
Low level cloud: 21%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
23%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

NW
NW

3 / 6 mph 61 / 61°F 88% 1020 mb
Low level cloud: 14%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

WNW
WNW

1 / 2 mph 77 / 79°F 78% 1022 mb
Low level cloud: 29%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

SSE
SSE

3 / 3 mph 82 / 84°F 72% 1021 mb
Low level cloud: 20%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

SSE
SSE

4 / 4 mph 81 / 84°F 77% 1019 mb
Low level cloud: 20%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

ESE
ESE

3 / 4 mph 67 / 67°F 88% 1020 mb
Low level cloud: 47%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

ENE
ENE

6 / 8 mph 67 / 67°F 88% 1021 mb
Low level cloud: 69%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
69%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 03
Jun
01:00

NE
NE

7 / 9 mph 68 / 68°F 87% 1021 mb
Low level cloud: 74%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
04:00

NNE
NNE

6 / 12 mph 63 / 64°F 89% 1020 mb
Low level cloud: 18%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

NNE
NNE

5 / 10 mph 62 / 62°F 90% 1020 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
5%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

NE
NE

4 / 5 mph 76 / 78°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

SE
SE

3 / 4 mph 82 / 83°F 67% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

E
E

5 / 5 mph 82 / 84°F 72% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

NE
NE

6 / 9 mph 67 / 67°F 88% 1020 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

NE
NE

7 / 13 mph 64 / 64°F 89% 1021 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sun 04
Jun
01:00

NE
NE

6 / 13 mph 62 / 62°F 89% 1020 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

NNE
NNE

4 / 9 mph 60 / 60°F 88% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

N
N

3 / 6 mph 59 / 59°F 84% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

NNE
NNE

1 / 1 mph 80 / 81°F 70% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

SE
SE

3 / 3 mph 84 / 87°F 65% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

ESE
ESE

3 / 4 mph 84 / 88°F 69% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

NE
NE

2 / 3 mph 71 / 71°F 86% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

N
N

3 / 6 mph 63 / 63°F 84% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 05
Jun
01:00

N
N

4 / 8 mph 61 / 61°F 79% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

N
N

4 / 8 mph 60 / 60°F 75% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

WNW
WNW

3 / 7 mph 59 / 59°F 73% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

WSW
WSW

3 / 3 mph 82 / 83°F 62% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

SW
SW

6 / 6 mph 85 / 89°F 65% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

WSW
WSW

4 / 5 mph 85 / 90°F 70% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

WSW
WSW

7 / 8 mph 75 / 79°F 88% 1020 mb
Low level cloud: 54%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

W
W

5 / 8 mph 65 / 65°F 90% 1021 mb
Low level cloud: 68%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 06
Jun
01:00

WSW
WSW

5 / 7 mph 68 / 68°F 87% 1021 mb
Low level cloud: 66%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

WSW
WSW

6 / 8 mph 67 / 67°F 87% 1021 mb
Low level cloud: 43%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
42%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
07:00

WNW
WNW

5 / 9 mph 65 / 65°F 86% 1021 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

W
W

4 / 4 mph 76 / 78°F 74% 1022 mb
Low level cloud: 5%
Mid level cloud: 14%
High level cloud: 40%
Most Significant Cloud Type: medium
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

SW
SW

6 / 7 mph 77 / 79°F 76% 1022 mb
Low level cloud: 65%
Mid level cloud: 44%
High level cloud: 96%
Most Significant Cloud Type: low
91%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
16:00

SSE
SSE

6 / 8 mph 73 / 77°F 86% 1021 mb
Low level cloud: 86%
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
19:00

SSE
SSE

5 / 6 mph 68 / 68°F 86% 1023 mb
Low level cloud: 94%
Mid level cloud: 44%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
22:00

SSE
SSE

5 / 6 mph 67 / 67°F 83% 1024 mb
Low level cloud: 91%
Mid level cloud: 54%
High level cloud: 43%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 07
Jun
04:00

WSW
WSW

3 / 7 mph 67 / 67°F 89% 1021 mb
Low level cloud: 95%
Mid level cloud: 43%
High level cloud: 9%
Most Significant Cloud Type: low
100%
0.00 In
10:00

ENE
ENE

7 / 15 mph 69 / 69°F 85% 1025 mb
Low level cloud: 71%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.00 In
16:00

E
E

7 / 14 mph 79 / 82°F 74% 1020 mb
Low level cloud: 27%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.00 In
22:00

NE
NE

9 / 19 mph 69 / 69°F 84% 1022 mb
Low level cloud: 43%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
44%
0.00 In
Thu 08
Jun
04:00

NNE
NNE

6 / 12 mph 63 / 63°F 86% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
10:00

NNE
NNE

4 / 8 mph 81 / 86°F 72% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
16:00

ESE
ESE

4 / 9 mph 86 / 92°F 60% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
22:00

NNE
NNE

6 / 11 mph 69 / 69°F 87% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.00 In
Fri 09
Jun
04:00

N
N

5 / 11 mph 64 / 64°F 71% 1016 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 7%
Most Significant Cloud Type: medium
2%
0.00 In
10:00

NNW
NNW

2 / 4 mph 80 / 82°F 61% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
16:00

SSE
SSE

4 / 8 mph 87 / 92°F 57% 1015 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 33%
Most Significant Cloud Type: medium
6%
0.00 In
22:00

NNE
NNE

5 / 11 mph 64 / 64°F 82% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
1%
0.00 In
Sat 10
Jun
04:00

WNW
WNW

4 / 9 mph 64 / 64°F 80% 1018 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.00 In
10:00

N
N

2 / 4 mph 80 / 82°F 58% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
16:00

SSE
SSE

3 / 6 mph 85 / 93°F 72% 1016 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
0.00 In
22:00

NNE
NNE

5 / 10 mph 65 / 65°F 80% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
Sun 11
Jun
04:00

WSW
WSW

8 / 16 mph 67 / 67°F 92% 1018 mb
Low level cloud: 85%
Mid level cloud: 56%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.02 In
10:00

N
N

2 / 4 mph 79 / 81°F 59% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
16:00

SSW
SSW

10 / 21 mph 73 / 77°F 90% 1023 mb
Low level cloud: 87%
Mid level cloud: 73%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.55 In
22:00

NNE
NNE

6 / 12 mph 63 / 64°F 81% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
Mon 12
Jun
04:00

SSW
SSW

5 / 10 mph 65 / 65°F 87% 1026 mb
Low level cloud: 97%
Mid level cloud: 95%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.49 In
10:00

NNW
NNW

3 / 5 mph 79 / 81°F 58% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
16:00

ESE
ESE

6 / 13 mph 68 / 68°F 83% 1027 mb
Low level cloud: 93%
Mid level cloud: 81%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.23 In
22:00

N
N

6 / 12 mph 67 / 67°F 67% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
Tue 13
Jun
04:00

ENE
ENE

4 / 9 mph 64 / 64°F 87% 1027 mb
Low level cloud: 88%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.08 In
10:00

N
N

4 / 7 mph 78 / 80°F 57% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
16:00

E
E

7 / 14 mph 72 / 76°F 68% 1025 mb
Low level cloud: 36%
Mid level cloud: 18%
High level cloud: 5%
Most Significant Cloud Type: low
43%
0.05 In
22:00

WNW
WNW

6 / 11 mph 66 / 66°F 92% 1020 mb
Low level cloud: 21%
Mid level cloud: 0%
High level cloud: 51%
Most Significant Cloud Type: low
27%
0.00 In
Wed 14
Jun
04:00

NE
NE

8 / 16 mph 59 / 58°F 84% 1025 mb
Low level cloud: 40%
Mid level cloud: 1%
High level cloud: 7%
Most Significant Cloud Type: low
40%
0.02 In
10:00

NNE
NNE

4 / 9 mph 74 / 78°F 68% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: high
12%
0.00 In
16:00

ENE
ENE

12 / 25 mph 74 / 78°F 68% 1022 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 76%
Most Significant Cloud Type: medium
16%
0.00 In
22:00

NNE
NNE

7 / 15 mph 65 / 65°F 73% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
Thu 15
Jun
04:00

NE
NE

9 / 18 mph 60 / 60°F 82% 1021 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 64%
Most Significant Cloud Type: medium
47%
0.00 In
10:00

N
N

6 / 13 mph 72 / 76°F 52% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
16:00

ENE
ENE

5 / 10 mph 76 / 79°F 68% 1017 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
0.00 In
22:00

W
W

4 / 8 mph 73 / 77°F 65% 1014 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 21%
Most Significant Cloud Type: medium
3%
0.00 In

Other Locations Near to Sao Sebastiao

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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