28 Apr will be warm and the weather will be stable, thunderstorms not likely.
The sky will be clear:
The highest temperature will reach 30 degrees Celsius, while the the lowest temperature will drop to 16 degrees Celsius. The wind will be a fresh breeze, and the mean air pressure will be 1009 mb. Relative humidity will be low.
Sunday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
10:00
16 °C
17 °C
9 km/h 
9 km/h
1015 mb
11.3%
4,646 m
445 m
Apr, 28 10:00 @ Mostly stable
13:00
27 °C
28 °C
16 km/h 
22 km/h
1010 mb
6.64%
4,494 m
2,764 m
Apr, 28 13:00 @ Mostly stable
16:00
30 °C
32 °C
27 km/h
28 km/h
1006 mb
5.33%
4,702 m
3,931 m
Apr, 28 16:00 @ Mostly stable
19:00
27 °C
29 °C
33 km/h
39 km/h
1006 mb
6.35%
4,659 m
3,178 m
Apr, 28 19:00 @ Mostly stable
22:00
17 °C
18 °C
9 km/h 
36 km/h
1012 mb
17.8%
4,786 m
213 m
Apr, 28 22:00 @ Mostly stable
29 Apr will be warm and the weather will be stable, thunderstorms not likely.
The sky will be slightly cloudy:
15% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
The highest temperature will reach 30 degrees Celsius, while the the lowest temperature will drop to 9 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1011 mb. Relative humidity will be low.
Monday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
13 °C
13 °C
8 km/h
14 km/h
1015 mb
29.3%
4,698 m
78 m
Apr, 29 01:00 @ Mostly stable
04:00
10 °C
10 °C
5 km/h
7 km/h
1015 mb
37.5%
4,651 m
39 m
Apr, 29 04:00 @ Stable
07:00
9 °C
9 °C
6 km/h 
7 km/h
1016 mb
39.2%
4,647 m
27 m
Apr, 29 07:00 @ Stable
10:00
16 °C
17 °C
5 km/h
5 km/h
1015 mb
21.9%
4,657 m
407 m
Apr, 29 10:00 @ Stable
13:00
24 °C
26 °C
10 km/h
14 km/h
1011 mb
9.62%
4,749 m
1,757 m
Apr, 29 13:00 @ Stable
16:00
29 °C
32 °C
9 km/h 
25 km/h
1006 mb
5.81%
4,758 m
3,597 m
Apr, 29 16:00 @ Mostly stable
19:00
29 °C
31 °C
7 km/h 
20 km/h
1005 mb
6.42%
4,877 m
2,535 m
Apr, 29 19:00 @ Mostly stable
22:00
18 °C
19 °C
12 km/h
24 km/h
1011 mb
17.9%
4,813 m
142 m
Apr, 29 22:00 @ Mostly stable
30 Apr will be warm and the weather will be stable, thunderstorms not likely.
The sky will be mostly cloudy:
88% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
5% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
The highest temperature will reach 29 degrees Celsius, while the the lowest temperature will drop to 11 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1012 mb. Relative humidity will be low.
Tuesday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
14 °C
14 °C
6 km/h
16 km/h
1015 mb
28.1%
4,797 m
86 m
Apr, 30 01:00 @ Stable
04:00
12 °C
11 °C
8 km/h
12 km/h
1015 mb
35.8%
4,840 m
45 m
Apr, 30 04:00 @ Stable
07:00
12 °C
11 °C
8 km/h
8 km/h
1015 mb
33.0%
4,910 m
34 m
Apr, 30 07:00 @ Stable
10:00
18 °C
19 °C
8 km/h
10 km/h
1015 mb
16.6%
4,945 m
416 m
Apr, 30 10:00 @ Stable
13:00
26 °C
27 °C
11 km/h
14 km/h
1011 mb
5.82%
5,079 m
1,783 m
Apr, 30 13:00 @ Stable
16:00
29 °C
31 °C
14 km/h
20 km/h
1008 mb
4.68%
4,810 m
2,706 m
Apr, 30 16:00 @ Stable
19:00
26 °C
27 °C
18 km/h
30 km/h
1008 mb
7.83%
5,061 m
876 m
Apr, 30 19:00 @ Stable
22:00
18 °C
19 °C
9 km/h
22 km/h
1012 mb
19.4%
5,171 m
148 m
Apr, 30 22:00 @ Mostly stable
1 May will be very warm (caution) and the weather will be stable, thunderstorms not likely.
The sky will be mostly cloudy:
67% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
53% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 11 degrees Celsius. The wind will be a fresh breeze, and the mean air pressure will be 1010 mb. Relative humidity will be low.
Wednesday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
14 °C
14 °C
9 km/h
14 km/h
1015 mb
29.1%
5,136 m
70 m
May, 1 01:00 @ Mostly stable
04:00
12 °C
12 °C
8 km/h
11 km/h
1014 mb
35.3%
5,102 m
51 m
May, 1 04:00 @ Mostly stable
07:00
11 °C
11 °C
7 km/h
8 km/h
1015 mb
32.6%
5,109 m
35 m
May, 1 07:00 @ Mostly stable
10:00
18 °C
19 °C
7 km/h
8 km/h
1014 mb
15.9%
5,104 m
415 m
May, 1 10:00 @ Mostly stable
13:00
28 °C
30 °C
13 km/h
18 km/h
1008 mb
4.58%
5,090 m
2,017 m
May, 1 13:00 @ Stable
16:00
32 °C
35 °C
10 km/h
28 km/h
1004 mb
5.77%
4,994 m
3,753 m
May, 1 16:00 @ Mostly stable
19:00
29 °C
31 °C
37 km/h
48 km/h
1005 mb
9.66%
5,009 m
2,030 m
May, 1 19:00 @ Mostly stable
22:00
21 °C
22 °C
12 km/h
29 km/h
1011 mb
16.6%
4,898 m
313 m
May, 1 22:00 @ Mostly stable
2 May will be warm and the weather will be stable, thunderstorms not likely.
The sky will be mostly cloudy:
86% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
50% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
The highest temperature will reach 29 degrees Celsius, while the the lowest temperature will drop to 15 degrees Celsius. The wind will be a fresh breeze, and the mean air pressure will be 1010 mb. Relative humidity will be low.
Thursday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
19 °C
20 °C
8 km/h
10 km/h
1012 mb
19.6%
4,935 m
102 m
May, 2 01:00 @ Mostly stable
04:00
17 °C
18 °C
7 km/h
10 km/h
1011 mb
24.5%
4,917 m
78 m
May, 2 04:00 @ Mostly stable
07:00
15 °C
15 °C
8 km/h
8 km/h
1012 mb
23.7%
4,994 m
63 m
May, 2 07:00 @ Mostly stable
10:00
19 °C
20 °C
7 km/h
9 km/h
1013 mb
14.3%
4,935 m
463 m
May, 2 10:00 @ Mostly stable
13:00
25 °C
26 °C
11 km/h
15 km/h
1010 mb
7.95%
4,834 m
1,183 m
May, 2 13:00 @ Stable
16:00
29 °C
31 °C
17 km/h
36 km/h
1006 mb
8.77%
4,896 m
2,767 m
May, 2 16:00 @ Mostly stable
19:00
27 °C
29 °C
36 km/h
36 km/h
1006 mb
9.37%
5,004 m
2,218 m
May, 2 19:00 @ Stable
22:00
18 °C
18 °C
13 km/h
22 km/h
1011 mb
19.1%
4,997 m
128 m
May, 2 22:00 @ Mostly stable
3 May will be warm and the weather will be stable, thunderstorms not likely.
The sky will be partly cloudy:
26% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
2% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
The highest temperature will reach 31 degrees Celsius, while the the lowest temperature will drop to 10 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1011 mb. Relative humidity will be low.
Friday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
14 °C
14 °C
8 km/h
14 km/h
1014 mb
27.4%
4,954 m
69 m
May, 3 01:00 @ Mostly stable
04:00
12 °C
13 °C
2 km/h
4 km/h
1014 mb
29.8%
4,910 m
30 m
May, 3 04:00 @ Mostly stable
07:00
11 °C
13 °C
1 km/h
5 km/h
1015 mb
29.6%
4,863 m
18 m
May, 3 07:00 @ Mostly stable
10:00
18 °C
18 °C
12 km/h
13 km/h
1015 mb
18.1%
4,876 m
507 m
May, 3 10:00 @ Stable
13:00
25 °C
26 °C
7 km/h
7 km/h
1012 mb
10.0%
4,907 m
1,623 m
May, 3 13:00 @ Stable
16:00
29 °C
32 °C
10 km/h
20 km/h
1007 mb
7.74%
4,881 m
2,464 m
May, 3 16:00 @ Mostly stable
19:00
30 °C
33 °C
8 km/h 
17 km/h
1004 mb
7.74%
4,990 m
3,261 m
May, 3 19:00 @ Slightly unstable
22:00
21 °C
22 °C
10 km/h
24 km/h
1009 mb
16.8%
5,000 m
106 m
May, 3 22:00 @ Mostly stable
4 May will be very warm (caution) and the weather will be stable, thunderstorms not likely.
The sky will be mostly cloudy:
71% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
37% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 14 degrees Celsius. The wind will be a fresh breeze, and the mean air pressure will be 1009 mb. Relative humidity will be low.
Saturday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
17 °C
18 °C
7 km/h
11 km/h
1012 mb
21.6%
4,946 m
38 m
May, 4 01:00 @ Mostly stable
04:00
16 °C
16 °C
6 km/h
6 km/h
1012 mb
25.6%
4,863 m
25 m
May, 4 04:00 @ Mostly stable
07:00
15 °C
14 °C
10 km/h
15 km/h
1012 mb
28.2%
4,879 m
18 m
May, 4 07:00 @ Stable
10:00
21 °C
22 °C
7 km/h
8 km/h
1013 mb
20.3%
4,964 m
447 m
May, 4 10:00 @ Stable
13:00
28 °C
30 °C
15 km/h
16 km/h
1009 mb
11.8%
4,920 m
1,754 m
May, 4 13:00 @ Stable
16:00
32 °C
35 °C
9 km/h
25 km/h
1004 mb
9.26%
5,037 m
4,085 m
May, 4 16:00 @ Slightly unstable
19:00
30 °C
33 °C
32 km/h
41 km/h
1005 mb
10.5%
5,092 m
2,765 m
May, 4 19:00 @ Mostly stable
22:00
22 °C
23 °C
8 km/h
36 km/h
1011 mb
20.0%
5,070 m
267 m
May, 4 22:00 @ Mostly stable
5 May will be warm and the weather will be .
The sky will be :
507% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
352% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
The highest temperature will reach 31 degrees Celsius, while the the lowest temperature will drop to 16 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 6077 mb. Relative humidity will be .
Sunday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
19 °C
19 °C
15 km/h
19 km/h
1014 mb
28.2%
4,897 m
58 m
May, 5 01:00 @ Mostly stable
04:00
16 °C
17 °C
8 km/h
11 km/h
1015 mb
39.8%
4,873 m
22 m
May, 5 04:00 @ Slightly unstable
07:00
16 °C
17 °C
5 km/h
7 km/h
1015 mb
45.7%
4,934 m
50 m
May, 5 07:00 @ Slightly unstable
10:00
21 °C
23 °C
2 km/h
7 km/h
1016 mb
37.9%
4,767 m
599 m
May, 5 10:00 @ Slightly unstable
13:00
27 °C
29 °C
9 km/h
14 km/h
1012 mb
22.6%
4,611 m
2,971 m
May, 5 13:00 @ Mostly stable
16:00
30 °C
33 °C
13 km/h
27 km/h
1009 mb
15.0%
4,889 m
3,742 m
May, 5 16:00 @ Slightly unstable
Arenal
21:56 
