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Ayacucho 14 Day Long Range Forecast

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

Peru

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

Over the next 14 days the Ayacucho forecast suggests the average daytime maximum temperature will be around 20°C, with a high for the two weeks of 22°C expected on the afternoon of Tuesday 7th. The mean minimum temperature will be 9°C, dipping to its lowest on the morning of Tuesday 14th at 7°C. Expect the next 14 days have some days seeing a little precipitation and some days with rain. The current forecast indicates Tuesday 7th will have the most precipitation with an accumulation of around 3.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 06
May
07:00

SSE
SSE

0 / 0 mph 55 / 54°F 80% 1020 mb
Low level cloud: 1%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

2 / 2 mph 64 / 62°F 62% 1018 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

2 / 2 mph 71 / 69°F 48% 1011 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

5 / 6 mph 71 / 69°F 48% 1008 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

5 / 8 mph 56 / 55°F 76% 1013 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

2 / 4 mph 51 / 52°F 86% 1017 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
Tue 07
May
01:00

N
N

1 / 2 mph 49 / 49°F 89% 1017 mb
Low level cloud: 14%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNW
NNW

1 / 1 mph 54 / 54°F 86% 1016 mb
Low level cloud: 6%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

1 / 1 mph 57 / 55°F 80% 1018 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

1 / 1 mph 64 / 62°F 64% 1016 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

3 / 4 mph 72 / 69°F 46% 1010 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

5 / 5 mph 72 / 69°F 49% 1008 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

1 / 2 mph 56 / 56°F 73% 1012 mb
Low level cloud: 0%
Mid level cloud: 41%
High level cloud: 5%
Most Significant Cloud Type: medium
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

1 / 2 mph 56 / 56°F 81% 1016 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 18%
Most Significant Cloud Type: medium
44%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Wed 08
May
01:00

SSW
SSW

2 / 2 mph 56 / 56°F 81% 1016 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

2 / 3 mph 56 / 57°F 80% 1016 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

2 / 2 mph 59 / 57°F 71% 1017 mb
Low level cloud: 0%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

3 / 3 mph 66 / 64°F 50% 1016 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

4 / 4 mph 72 / 69°F 45% 1011 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

6 / 7 mph 71 / 69°F 52% 1010 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

4 / 7 mph 56 / 55°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

3 / 5 mph 52 / 51°F 83% 1018 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May
01:00

N
N

2 / 4 mph 48 / 48°F 88% 1018 mb
Low level cloud: 5%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

2 / 3 mph 47 / 47°F 90% 1019 mb
Low level cloud: 14%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

1 / 2 mph 55 / 53°F 83% 1021 mb
Low level cloud: 8%
Mid level cloud: 23%
High level cloud: 14%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

2 / 2 mph 63 / 61°F 64% 1020 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 15%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NE
NE

1 / 2 mph 68 / 66°F 52% 1015 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 8%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

5 / 6 mph 68 / 67°F 51% 1013 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 13%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

5 / 8 mph 55 / 54°F 73% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 11%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

3 / 6 mph 51 / 51°F 78% 1020 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 5%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 10
May
01:00

N
N

2 / 4 mph 49 / 50°F 82% 1020 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 10%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNW
NNW

2 / 4 mph 46 / 46°F 87% 1020 mb
Low level cloud: 4%
Mid level cloud: 21%
High level cloud: 37%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

1 / 1 mph 55 / 54°F 82% 1022 mb
Low level cloud: 7%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

3 / 3 mph 63 / 61°F 63% 1020 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 86%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

4 / 5 mph 68 / 67°F 52% 1014 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 13%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

3 / 4 mph 68 / 67°F 54% 1012 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 3%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

3 / 4 mph 57 / 58°F 74% 1015 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 13%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

1 / 1 mph 51 / 51°F 83% 1018 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 15%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 11
May
01:00

NNE
NNE

0 / 1 mph 48 / 48°F 87% 1017 mb
Low level cloud: 2%
Mid level cloud: 18%
High level cloud: 19%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

1 / 1 mph 47 / 47°F 90% 1017 mb
Low level cloud: 11%
Mid level cloud: 22%
High level cloud: 5%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

0 / 0 mph 55 / 54°F 84% 1020 mb
Low level cloud: 23%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

1 / 1 mph 62 / 60°F 70% 1019 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

2 / 2 mph 69 / 67°F 53% 1013 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

4 / 4 mph 71 / 69°F 47% 1010 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

4 / 7 mph 55 / 55°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

1 / 2 mph 52 / 52°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 12
May
01:00

NNW
NNW

2 / 4 mph 48 / 48°F 86% 1018 mb
Low level cloud: 2%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

0 / 1 mph 46 / 46°F 91% 1018 mb
Low level cloud: 19%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

2 / 2 mph 55 / 55°F 85% 1020 mb
Low level cloud: 17%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

1 / 1 mph 64 / 62°F 64% 1018 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

2 / 3 mph 70 / 68°F 46% 1013 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

7 / 8 mph 70 / 68°F 47% 1010 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

5 / 9 mph 53 / 52°F 77% 1016 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

4 / 6 mph 50 / 49°F 84% 1020 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 5%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 13
May
01:00

NE
NE

1 / 1 mph 58 / 58°F 91% 1018 mb
Low level cloud: 18%
Mid level cloud: 31%
High level cloud: 33%
Most Significant Cloud Type: low
32%
0.0 In
07:00

NNE
NNE

1 / 3 mph 56 / 56°F 81% 1023 mb
Low level cloud: 9%
Mid level cloud: 21%
High level cloud: 3%
Most Significant Cloud Type: low
16%
0.0 In
13:00

NNE
NNE

5 / 11 mph 66 / 67°F 56% 1016 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 7%
Most Significant Cloud Type: medium
24%
0.0 In
19:00

NE
NE

4 / 8 mph 57 / 57°F 75% 1017 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 9%
Most Significant Cloud Type: medium
10%
0.0 In
Tue 14
May
01:00

S
S

1 / 2 mph 51 / 51°F 85% 1019 mb
Low level cloud: 4%
Mid level cloud: 45%
High level cloud: 10%
Most Significant Cloud Type: medium
55%
0.0 In
07:00

SSE
SSE

1 / 3 mph 55 / 55°F 84% 1021 mb
Low level cloud: 16%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
36%
0.0 In
13:00

ENE
ENE

2 / 4 mph 72 / 72°F 50% 1013 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 8%
Most Significant Cloud Type: medium
7%
0.0 In
19:00

ESE
ESE

3 / 6 mph 58 / 59°F 68% 1015 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
0.1 In
Wed 15
May
01:00

N
N

2 / 4 mph 56 / 56°F 75% 1017 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 33%
Most Significant Cloud Type: medium
9%
0.1 In
07:00

S
S

1 / 2 mph 61 / 61°F 71% 1017 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 33%
Most Significant Cloud Type: medium
9%
0.0 In
13:00

N
N

2 / 5 mph 74 / 76°F 43% 1011 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 33%
Most Significant Cloud Type: medium
2%
0.0 In
19:00

E
E

3 / 6 mph 60 / 60°F 70% 1012 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 33%
Most Significant Cloud Type: medium
7%
0.0 In
Thu 16
May
01:00

NNW
NNW

3 / 7 mph 60 / 60°F 81% 1019 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: medium
24%
0.2 In
07:00

NE
NE

1 / 2 mph 58 / 58°F 82% 1020 mb
Low level cloud: 11%
Mid level cloud: 21%
High level cloud: 12%
Most Significant Cloud Type: low
19%
0.1 In
13:00

NNE
NNE

6 / 12 mph 69 / 69°F 48% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 9%
Most Significant Cloud Type: medium
5%
0.0 In
19:00

NE
NE

4 / 8 mph 62 / 62°F 62% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 5%
Most Significant Cloud Type: medium
5%
0.0 In
Fri 17
May
01:00

WNW
WNW

1 / 2 mph 55 / 55°F 85% 1019 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 21%
Most Significant Cloud Type: medium
16%
0.1 In
07:00

SSE
SSE

2 / 4 mph 58 / 58°F 84% 1021 mb
Low level cloud: 12%
Mid level cloud: 25%
High level cloud: 21%
Most Significant Cloud Type: low
23%
0.0 In
13:00

NNE
NNE

2 / 4 mph 72 / 76°F 46% 1014 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 4%
Most Significant Cloud Type: medium
2%
0.0 In
19:00

SW
SW

4 / 9 mph 57 / 56°F 84% 1020 mb
Low level cloud: 2%
Mid level cloud: 44%
High level cloud: 64%
Most Significant Cloud Type: medium
52%
0.2 In
Sat 18
May
01:00

SW
SW

0 / 0 mph 58 / 58°F 88% 1021 mb
Low level cloud: 14%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.1 In
07:00

SSW
SSW

0 / 1 mph 54 / 54°F 85% 1022 mb
Low level cloud: 5%
Mid level cloud: 25%
High level cloud: 47%
Most Significant Cloud Type: medium
41%
0.2 In
13:00

N
N

2 / 4 mph 71 / 71°F 45% 1015 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
19:00

ENE
ENE

2 / 5 mph 58 / 59°F 71% 1016 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 100%
Most Significant Cloud Type: medium
46%
0.1 In
Sun 19
May
01:00

N
N

1 / 1 mph 48 / 48°F 88% 1019 mb
Low level cloud: 7%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
40%
0.0 In
07:00

SE
SE

1 / 3 mph 57 / 57°F 82% 1020 mb
Low level cloud: 3%
Mid level cloud: 20%
High level cloud: 90%
Most Significant Cloud Type: medium
30%
0.1 In
13:00

NE
NE

3 / 6 mph 70 / 70°F 48% 1013 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
19:00

NE
NE

2 / 4 mph 59 / 60°F 73% 1015 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 96%
Most Significant Cloud Type: medium
10%
0.0 In
Mon 20
May
01:00

NNE
NNE

1 / 2 mph 52 / 52°F 85% 1018 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
0.0 In
07:00

S
S

2 / 4 mph 58 / 59°F 77% 1020 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 32%
Most Significant Cloud Type: medium
15%
0.0 In
13:00

E
E

4 / 8 mph 68 / 67°F 53% 1014 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 2%
Most Significant Cloud Type: medium
7%
0.0 In
19:00

ENE
ENE

4 / 9 mph 56 / 56°F 72% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
Tue 21
May
01:00

NNW
NNW

1 / 2 mph 55 / 55°F 81% 1019 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 11%
Most Significant Cloud Type: medium
13%
0.0 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