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Arenal Volcano 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Arenal Volcano

Costa Rica

Long range weather outlook for Arenal Volcano includes 14 day forecast summary:

For Arenal Volcano in the coming two weeks the average daytime maximum temperature will be around 28°C, with a high for the two weeks of 32°C expected on the afternoon of Saturday 19th. The mean minimum temperature will be 23°C, dipping to its lowest on the morning of Wednesday 23rd at 17°C. The next 14 days will have some days seeing a little precipitation and some days with rain. Predictions are Thursday 24th will have the most precipitation with an accumulation of around 21.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 17
Oct
00:00

SE
SE

1 / 2 mph 77 / 83°F 99% 1012 mb
Low level cloud: 47%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

NNW
NNW

0 / 1 mph 75 / 81°F 99% 1012 mb
Low level cloud: 56%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

S
S

0 / 1 mph 77 / 78°F 99% 1012 mb
Low level cloud: 62%
Mid level cloud: 17%
High level cloud: 2%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

ENE
ENE

1 / 1 mph 79 / 79°F 79% 1014 mb
Low level cloud: 56%
Mid level cloud: 13%
High level cloud: 2%
Most Significant Cloud Type: low
60%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

ENE
ENE

2 / 5 mph 78 / 79°F 83% 1011 mb
Low level cloud: 1%
Mid level cloud: 9%
High level cloud: 13%
Most Significant Cloud Type: medium
11%
Expect 0.12 In of precipitation over the past 3 hours.
0.12 In
15:00

E
E

2 / 5 mph 81 / 82°F 79% 1010 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 17%
Most Significant Cloud Type: medium
8%
Expect 0.11 In of precipitation over the past 3 hours.
0.11 In
18:00

ESE
ESE

2 / 3 mph 79 / 87°F 94% 1010 mb
Low level cloud: 18%
Mid level cloud: 9%
High level cloud: 13%
Most Significant Cloud Type: low
22%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
21:00

SE
SE

2 / 2 mph 77 / 84°F 98% 1012 mb
Low level cloud: 11%
Mid level cloud: 7%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 18
Oct
15:00

NE
NE

3 / 6 mph 84 / 89°F 89% 1009 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 5%
Most Significant Cloud Type: medium
16%
Expect 0.15 In of precipitation over the past 3 hours.
0.15 In
18:00

SE
SE

2 / 3 mph 80 / 88°F 95% 1010 mb
Low level cloud: 11%
Mid level cloud: 17%
High level cloud: 6%
Most Significant Cloud Type: low
17%
Expect 0.09 In of precipitation over the past 3 hours.
0.09 In
21:00

ESE
ESE

1 / 2 mph 78 / 84°F 97% 1012 mb
Low level cloud: 7%
Mid level cloud: 11%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 19
Oct
00:00

SE
SE

1 / 1 mph 76 / 82°F 98% 1011 mb
Low level cloud: 17%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SSW
SSW

1 / 1 mph 75 / 80°F 98% 1010 mb
Low level cloud: 26%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

E
E

0 / 1 mph 78 / 80°F 98% 1011 mb
Low level cloud: 22%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

NW
NW

0 / 1 mph 82 / 82°F 65% 1013 mb
Low level cloud: 14%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NNE
NNE

2 / 3 mph 89 / 88°F 50% 1010 mb
Low level cloud: 58%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

NNE
NNE

3 / 6 mph 83 / 89°F 92% 1008 mb
Low level cloud: 5%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
33%
Expect 0.14 In of precipitation over the past 3 hours.
0.14 In
18:00

SSE
SSE

1 / 2 mph 80 / 88°F 94% 1010 mb
Low level cloud: 8%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
47%
Expect 0.13 In of precipitation over the past 3 hours.
0.13 In
21:00

SSE
SSE

2 / 2 mph 78 / 85°F 97% 1012 mb
Low level cloud: 3%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
Sun 20
Oct
00:00

SW
SW

1 / 1 mph 76 / 82°F 98% 1011 mb
Low level cloud: 23%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

W
W

1 / 1 mph 75 / 80°F 99% 1010 mb
Low level cloud: 27%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WNW
WNW

1 / 1 mph 77 / 78°F 98% 1011 mb
Low level cloud: 29%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WNW
WNW

2 / 4 mph 81 / 80°F 66% 1013 mb
Low level cloud: 13%
Mid level cloud: 13%
High level cloud: 6%
Most Significant Cloud Type: low
18%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NNW
NNW

2 / 4 mph 84 / 85°F 51% 1010 mb
Low level cloud: 88%
Mid level cloud: 16%
High level cloud: 12%
Most Significant Cloud Type: low
94%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

N
N

4 / 8 mph 84 / 84°F 68% 1009 mb
Low level cloud: 37%
Mid level cloud: 23%
High level cloud: 10%
Most Significant Cloud Type: low
46%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
18:00

N
N

1 / 2 mph 80 / 88°F 95% 1011 mb
Low level cloud: 12%
Mid level cloud: 28%
High level cloud: 69%
Most Significant Cloud Type: low
30%
Expect 0.27 In of precipitation over the past 3 hours.
0.27 In
21:00

W
W

1 / 1 mph 78 / 84°F 97% 1012 mb
Low level cloud: 18%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: low
39%
Expect 0.17 In of precipitation over the past 3 hours.
0.17 In
Mon 21
Oct
00:00

WSW
WSW

1 / 2 mph 76 / 82°F 99% 1012 mb
Low level cloud: 27%
Mid level cloud: 41%
High level cloud: 33%
Most Significant Cloud Type: low
45%
Expect 0.09 In of precipitation over the past 3 hours.
0.09 In
03:00

WSW
WSW

2 / 2 mph 75 / 80°F 99% 1010 mb
Low level cloud: 29%
Mid level cloud: 27%
High level cloud: 15%
Most Significant Cloud Type: low
40%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
06:00

WNW
WNW

1 / 2 mph 77 / 78°F 98% 1012 mb
Low level cloud: 39%
Mid level cloud: 25%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WNW
WNW

3 / 5 mph 79 / 79°F 71% 1013 mb
Low level cloud: 30%
Mid level cloud: 22%
High level cloud: 18%
Most Significant Cloud Type: low
39%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NNW
NNW

3 / 6 mph 85 / 84°F 61% 1011 mb
Low level cloud: 54%
Mid level cloud: 18%
High level cloud: 19%
Most Significant Cloud Type: low
62%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
15:00

NNW
NNW

3 / 5 mph 81 / 84°F 91% 1009 mb
Low level cloud: 1%
Mid level cloud: 24%
High level cloud: 33%
Most Significant Cloud Type: medium
28%
Expect 0.23 In of precipitation over the past 3 hours.
0.23 In
18:00

NNW
NNW

2 / 3 mph 78 / 85°F 95% 1010 mb
Low level cloud: 17%
Mid level cloud: 45%
High level cloud: 88%
Most Significant Cloud Type: low
43%
Expect 0.18 In of precipitation over the past 3 hours.
0.18 In
21:00

W
W

2 / 3 mph 78 / 85°F 97% 1012 mb
Low level cloud: 45%
Mid level cloud: 44%
High level cloud: 69%
Most Significant Cloud Type: low
68%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
Tue 22
Oct
00:00

W
W

2 / 4 mph 75 / 80°F 99% 1011 mb
Low level cloud: 36%
Mid level cloud: 36%
High level cloud: 48%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WNW
WNW

2 / 3 mph 73 / 78°F 100% 1010 mb
Low level cloud: 76%
Mid level cloud: 26%
High level cloud: 46%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WSW
WSW

2 / 3 mph 74 / 77°F 99% 1011 mb
Low level cloud: 67%
Mid level cloud: 29%
High level cloud: 32%
Most Significant Cloud Type: low
81%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
09:00

WNW
WNW

2 / 4 mph 77 / 78°F 81% 1012 mb
Low level cloud: 26%
Mid level cloud: 29%
High level cloud: 17%
Most Significant Cloud Type: low
37%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
12:00

NW
NW

4 / 9 mph 77 / 79°F 83% 1009 mb
Low level cloud: 12%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: medium
78%
Expect 0.14 In of precipitation over the past 3 hours.
0.14 In
15:00

NNW
NNW

3 / 6 mph 83 / 90°F 96% 1008 mb
Low level cloud: 28%
Mid level cloud: 44%
High level cloud: 43%
Most Significant Cloud Type: low
48%
Expect 0.29 In of precipitation over the past 3 hours.
0.29 In
18:00

SSW
SSW

1 / 2 mph 78 / 86°F 98% 1010 mb
Low level cloud: 56%
Mid level cloud: 57%
High level cloud: 32%
Most Significant Cloud Type: low
79%
Expect 0.20 In of precipitation over the past 3 hours.
0.20 In
21:00

SE
SE

2 / 3 mph 74 / 79°F 99% 1011 mb
Low level cloud: 75%
Mid level cloud: 44%
High level cloud: 41%
Most Significant Cloud Type: low
94%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
Wed 23
Oct
00:00

SW
SW

1 / 1 mph 73 / 78°F 99% 1010 mb
Low level cloud: 62%
Mid level cloud: 45%
High level cloud: 44%
Most Significant Cloud Type: low
82%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
03:00

WNW
WNW

2 / 2 mph 72 / 77°F 99% 1009 mb
Low level cloud: 68%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: low
87%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
06:00

WNW
WNW

2 / 3 mph 71 / 71°F 99% 1011 mb
Low level cloud: 85%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

NNW
NNW

2 / 4 mph 72 / 76°F 90% 1012 mb
Low level cloud: 78%
Mid level cloud: 38%
High level cloud: 32%
Most Significant Cloud Type: low
95%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
12:00

N
N

2 / 5 mph 77 / 77°F 91% 1010 mb
Low level cloud: 23%
Mid level cloud: 46%
High level cloud: 34%
Most Significant Cloud Type: low
43%
Expect 0.26 In of precipitation over the past 3 hours.
0.26 In
15:00

ESE
ESE

0 / 1 mph 81 / 83°F 95% 1008 mb
Low level cloud: 7%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
70%
Expect 0.26 In of precipitation over the past 3 hours.
0.26 In
18:00

SW
SW

2 / 3 mph 76 / 82°F 98% 1010 mb
Low level cloud: 31%
Mid level cloud: 44%
High level cloud: 95%
Most Significant Cloud Type: low
57%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
21:00

SW
SW

2 / 2 mph 75 / 81°F 99% 1011 mb
Low level cloud: 27%
Mid level cloud: 58%
High level cloud: 32%
Most Significant Cloud Type: low
51%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 24
Oct
00:00

SSE
SSE

1 / 1 mph 79 / 87°F 98% 1011 mb
Low level cloud: 16%
Mid level cloud: 22%
High level cloud: 97%
Most Significant Cloud Type: low
34%
0.03 In
06:00

SSW
SSW

0 / 1 mph 77 / 82°F 95% 1011 mb
Low level cloud: 12%
Mid level cloud: 30%
High level cloud: 16%
Most Significant Cloud Type: low
24%
0.00 In
12:00

N
N

3 / 5 mph 82 / 86°F 62% 1009 mb
Low level cloud: 23%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
25%
0.03 In
18:00

W
W

0 / 1 mph 83 / 97°F 95% 1009 mb
Low level cloud: 2%
Mid level cloud: 18%
High level cloud: 11%
Most Significant Cloud Type: medium
24%
0.24 In
Fri 25
Oct
00:00

S
S

1 / 2 mph 78 / 86°F 98% 1011 mb
Low level cloud: 18%
Mid level cloud: 15%
High level cloud: 32%
Most Significant Cloud Type: low
26%
0.08 In
06:00

WNW
WNW

2 / 2 mph 75 / 80°F 98% 1010 mb
Low level cloud: 31%
Mid level cloud: 30%
High level cloud: 11%
Most Significant Cloud Type: low
100%
0.00 In
12:00

NNW
NNW

3 / 5 mph 83 / 85°F 54% 1009 mb
Low level cloud: 50%
Mid level cloud: 12%
High level cloud: 3%
Most Significant Cloud Type: low
53%
0.02 In
18:00

W
W

3 / 6 mph 79 / 88°F 97% 1009 mb
Low level cloud: 6%
Mid level cloud: 43%
High level cloud: 83%
Most Significant Cloud Type: medium
63%
0.21 In
Sat 26
Oct
00:00

W
W

1 / 2 mph 80 / 89°F 98% 1010 mb
Low level cloud: 12%
Mid level cloud: 14%
High level cloud: 13%
Most Significant Cloud Type: low
17%
0.05 In
06:00

NW
NW

1 / 2 mph 77 / 82°F 96% 1011 mb
Low level cloud: 13%
Mid level cloud: 87%
High level cloud: 14%
Most Significant Cloud Type: medium
100%
0.02 In
12:00

W
W

2 / 4 mph 78 / 83°F 89% 1010 mb
Low level cloud: 19%
Mid level cloud: 46%
High level cloud: 21%
Most Significant Cloud Type: low
37%
0.31 In
18:00

NW
NW

3 / 5 mph 80 / 88°F 96% 1009 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
0.19 In
Sun 27
Oct
00:00

WSW
WSW

2 / 3 mph 77 / 84°F 98% 1011 mb
Low level cloud: 22%
Mid level cloud: 46%
High level cloud: 14%
Most Significant Cloud Type: low
39%
0.09 In
06:00

SE
SE

1 / 1 mph 77 / 83°F 95% 1010 mb
Low level cloud: 7%
Mid level cloud: 46%
High level cloud: 29%
Most Significant Cloud Type: medium
66%
0.00 In
12:00

NNW
NNW

2 / 4 mph 73 / 77°F 90% 1009 mb
Low level cloud: 40%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: low
62%
0.13 In
18:00

N
N

1 / 1 mph 81 / 93°F 96% 1009 mb
Low level cloud: 15%
Mid level cloud: 26%
High level cloud: 52%
Most Significant Cloud Type: low
30%
0.16 In
Mon 28
Oct
00:00

WSW
WSW

2 / 3 mph 78 / 85°F 98% 1009 mb
Low level cloud: 19%
Mid level cloud: 44%
High level cloud: 19%
Most Significant Cloud Type: low
36%
0.04 In
06:00

S
S

1 / 2 mph 76 / 81°F 97% 1010 mb
Low level cloud: 8%
Mid level cloud: 30%
High level cloud: 14%
Most Significant Cloud Type: medium
100%
0.00 In
12:00

WNW
WNW

5 / 11 mph 78 / 81°F 65% 1008 mb
Low level cloud: 28%
Mid level cloud: 44%
High level cloud: 10%
Most Significant Cloud Type: low
44%
0.03 In
18:00

NNW
NNW

2 / 3 mph 81 / 91°F 92% 1009 mb
Low level cloud: 66%
Mid level cloud: 41%
High level cloud: 15%
Most Significant Cloud Type: low
81%
0.03 In
Tue 29
Oct
00:00

W
W

3 / 4 mph 78 / 85°F 97% 1007 mb
Low level cloud: 37%
Mid level cloud: 43%
High level cloud: 74%
Most Significant Cloud Type: low
60%
0.02 In
06:00

W
W

1 / 1 mph 77 / 83°F 95% 1010 mb
Low level cloud: 17%
Mid level cloud: 11%
High level cloud: 33%
Most Significant Cloud Type: low
24%
0.00 In
12:00

WSW
WSW

6 / 11 mph 82 / 86°F 71% 1005 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 91%
Most Significant Cloud Type: medium
51%
0.01 In
18:00

NE
NE

1 / 2 mph 81 / 91°F 93% 1009 mb
Low level cloud: 74%
Mid level cloud: 29%
High level cloud: 39%
Most Significant Cloud Type: low
89%
0.09 In
Wed 30
Oct
00:00

SW
SW

3 / 3 mph 80 / 87°F 90% 1007 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 19%
Most Significant Cloud Type: medium
47%
0.02 In
06:00

W
W

2 / 2 mph 75 / 81°F 98% 1010 mb
Low level cloud: 31%
Mid level cloud: 23%
High level cloud: 7%
Most Significant Cloud Type: low
39%
0.01 In
12:00

W
W

2 / 5 mph 79 / 84°F 84% 1007 mb
Low level cloud: 4%
Mid level cloud: 46%
High level cloud: 21%
Most Significant Cloud Type: medium
58%
0.11 In
18:00

NW
NW

3 / 6 mph 81 / 91°F 96% 1009 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 94%
Most Significant Cloud Type: medium
30%
0.32 In
Thu 31
Oct
00:00

SE
SE

1 / 1 mph 78 / 86°F 99% 1009 mb
Low level cloud: 31%
Mid level cloud: 45%
High level cloud: 55%
Most Significant Cloud Type: low
53%
0.07 In
06:00

W
W

1 / 1 mph 78 / 85°F 97% 1011 mb
Low level cloud: 52%
Mid level cloud: 63%
High level cloud: 19%
Most Significant Cloud Type: low
75%
0.02 In
12:00

SSE
SSE

2 / 4 mph 78 / 82°F 85% 1009 mb
Low level cloud: 13%
Mid level cloud: 45%
High level cloud: 77%
Most Significant Cloud Type: medium
85%
0.29 In
18:00

SSE
SSE

2 / 3 mph 79 / 87°F 96% 1011 mb
Low level cloud: 22%
Mid level cloud: 58%
High level cloud: 79%
Most Significant Cloud Type: low
51%
0.12 In
Fri 01
Nov
00:00

SSW
SSW

1 / 1 mph 78 / 86°F 98% 1010 mb
Low level cloud: 39%
Mid level cloud: 32%
High level cloud: 32%
Most Significant Cloud Type: low
54%
0.01 In
06:00

SE
SE

3 / 3 mph 74 / 78°F 90% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 52%
Most Significant Cloud Type: medium
48%
0.00 In
12:00

SW
SW

3 / 6 mph 78 / 83°F 87% 1009 mb
Low level cloud: 13%
Mid level cloud: 46%
High level cloud: 22%
Most Significant Cloud Type: medium
83%
0.19 In
18:00

ESE
ESE

1 / 2 mph 79 / 83°F 78% 1012 mb
Low level cloud: 44%
Mid level cloud: 43%
High level cloud: 94%
Most Significant Cloud Type: low
70%
0.00 In

Other Locations Near to Arenal Volcano

Cities and Towns: El Castillo, Nicaragua

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