15 Apr will be warm and the weather will be stable, thunderstorms not likely.
The sky will be clear:
The highest temperature will reach 31 degrees Celsius, while the the lowest temperature will drop to 21 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1017 mb. Relative humidity will be high.
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
11:00
28 °C
30 °C
21 km/h 
23 km/h
1019 mb
44.0%
4,272 m
1,316 m
1/4
Apr, 15 11:00 @ Stable
14:00
30 °C
33 °C
27 km/h
31 km/h
1017 mb
37.0%
4,251 m
1,499 m
Apr, 15 14:00 @ Stable
17:00
29 °C
31 °C
27 km/h
27 km/h
1015 mb
40.7%
4,274 m
1,184 m
1/4
Apr, 15 17:00 @ Stable
20:00
23 °C
24 °C
26 km/h
37 km/h
1017 mb
66.3%
4,341 m
673 m
Apr, 15 20:00 @ Stable
23:00
22 °C
22 °C
22 km/h 
38 km/h
1018 mb
70.6%
4,859 m
470 m
Apr, 15 23:00 @ Stable
16 Apr will be warm and the weather will be stable, thunderstorms not likely.
The sky will be clear:
9% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
The highest temperature will reach 32 degrees Celsius, while the the lowest temperature will drop to 19 degrees Celsius. The wind will be a fresh breeze, and the mean air pressure will be 1016 mb. Relative humidity will be high.
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
02:00
20 °C
21 °C
13 km/h
32 km/h
1017 mb
76.5%
4,972 m
266 m
Apr, 16 02:00 @ Stable
05:00
20 °C
20 °C
11 km/h
30 km/h
1016 mb
82.7%
5,075 m
212 m
Apr, 16 05:00 @ Stable
08:00
21 °C
21 °C
12 km/h
34 km/h
1018 mb
78.0%
5,173 m
327 m
Apr, 16 08:00 @ Stable
11:00
29 °C
31 °C
23 km/h
23 km/h
1017 mb
40.6%
5,209 m
1,345 m
1/4
Apr, 16 11:00 @ Stable
14:00
32 °C
35 °C
30 km/h
35 km/h
1015 mb
34.2%
5,169 m
1,850 m
Apr, 16 14:00 @ Stable
17:00
29 °C
32 °C
31 km/h
31 km/h
1015 mb
46.9%
5,142 m
1,147 m
1/4
Apr, 16 17:00 @ Mostly stable
20:00
24 °C
25 °C
29 km/h
40 km/h
1016 mb
69.9%
5,077 m
542 m
Apr, 16 20:00 @ Mostly stable
23:00
24 °C
25 °C
24 km/h
43 km/h
1018 mb
77.8%
5,077 m
539 m
Apr, 16 23:00 @ Mostly stable
17 Apr will be very warm (caution) and the weather will be stable, thunderstorms not likely.
The sky will be partly cloudy:
47% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
3% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 34 degrees Celsius, while the the lowest temperature will drop to 21 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1016 mb. Relative humidity will be high.
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
02:00
23 °C
23 °C
18 km/h
38 km/h
1017 mb
82.5%
5,008 m
480 m
Apr, 17 02:00 @ Mostly stable
05:00
21 °C
22 °C
17 km/h
34 km/h
1016 mb
88.5%
4,980 m
367 m
Apr, 17 05:00 @ Mostly stable
08:00
22 °C
23 °C
16 km/h
39 km/h
1018 mb
82.8%
5,027 m
565 m
Apr, 17 08:00 @ Mostly stable
11:00
30 °C
32 °C
23 km/h
25 km/h
1017 mb
45.8%
5,091 m
1,589 m
1/4
Apr, 17 11:00 @ Mostly stable
14:00
34 °C
37 °C
30 km/h
39 km/h
1015 mb
35.4%
4,971 m
2,466 m
Apr, 17 14:00 @ Mostly stable
17:00
29 °C
32 °C
30 km/h
31 km/h
1015 mb
54.2%
4,866 m
1,258 m
1/4
Apr, 17 17:00 @ Slightly unstable
20:00
25 °C
26 °C
25 km/h
35 km/h
1016 mb
67.8%
4,913 m
543 m
Apr, 17 20:00 @ Mostly stable
23:00
23 °C
24 °C
22 km/h
36 km/h
1017 mb
74.2%
4,933 m
470 m
Apr, 17 23:00 @ Mostly stable
18 Apr will be very warm (caution) and the weather will be stable, thunderstorms not likely.
The sky will be cloudy:
51% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 20 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1016 mb. Relative humidity will be high.
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
02:00
22 °C
23 °C
14 km/h
32 km/h
1016 mb
76.3%
4,890 m
358 m
Apr, 18 02:00 @ Mostly stable
05:00
20 °C
21 °C
10 km/h
23 km/h
1016 mb
84.0%
4,873 m
177 m
Apr, 18 05:00 @ Stable
08:00
21 °C
22 °C
10 km/h
28 km/h
1017 mb
78.6%
4,806 m
299 m
Apr, 18 08:00 @ Stable
11:00
29 °C
31 °C
18 km/h
19 km/h
1017 mb
37.8%
4,837 m
1,316 m
Apr, 18 11:00 @ Stable
14:00
33 °C
36 °C
30 km/h
35 km/h
1015 mb
31.6%
4,667 m
1,923 m
Apr, 18 14:00 @ Stable
17:00
29 °C
32 °C
27 km/h
29 km/h
1014 mb
44.4%
4,684 m
983 m
1/4
Apr, 18 17:00 @ Mostly stable
20:00
24 °C
25 °C
20 km/h
32 km/h
1016 mb
65.5%
4,653 m
393 m
Apr, 18 20:00 @ Mostly stable
23:00
22 °C
23 °C
16 km/h
33 km/h
1017 mb
74.3%
4,739 m
297 m
Apr, 18 23:00 @ Mostly stable
19 Apr will be very warm (caution) and the weather will be stable, thunderstorms not likely.
The sky will be clear:
7% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
1% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
The highest temperature will reach 34 degrees Celsius, while the the lowest temperature will drop to 19 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1015 mb. Relative humidity will be high.
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
02:00
21 °C
22 °C
13 km/h
32 km/h
1015 mb
77.8%
4,846 m
262 m
Apr, 19 02:00 @ Mostly stable
05:00
20 °C
20 °C
13 km/h
30 km/h
1015 mb
83.7%
4,823 m
214 m
Apr, 19 05:00 @ Mostly stable
08:00
21 °C
22 °C
11 km/h
32 km/h
1017 mb
82.0%
4,714 m
305 m
Apr, 19 08:00 @ Mostly stable
11:00
30 °C
33 °C
19 km/h
20 km/h
1017 mb
38.2%
4,645 m
1,288 m
Apr, 19 11:00 @ Mostly stable
14:00
34 °C
37 °C
24 km/h
28 km/h
1015 mb
30.3%
4,512 m
2,024 m
Apr, 19 14:00 @ Mostly stable
17:00
31 °C
34 °C
23 km/h
23 km/h
1014 mb
41.2%
4,429 m
1,525 m
2/4
Apr, 19 17:00 @ Slightly unstable
20:00
25 °C
26 °C
20 km/h
30 km/h
1015 mb
65.1%
4,436 m
390 m
Apr, 19 20:00 @ Mostly stable
23:00
23 °C
24 °C
17 km/h
33 km/h
1017 mb
75.7%
4,510 m
347 m
Apr, 19 23:00 @ Mostly stable
20 Apr will be very warm (caution) and the weather will be slightly unstable, thunderstorms possible.
The sky will be clear:
The highest temperature will reach 34 degrees Celsius, while the the lowest temperature will drop to 20 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1015 mb. Relative humidity will be high.
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
02:00
21 °C
22 °C
12 km/h
30 km/h
1015 mb
87.3%
4,477 m
223 m
Apr, 20 02:00 @ Mostly stable
05:00
20 °C
21 °C
11 km/h
33 km/h
1015 mb
90.2%
4,450 m
238 m
Apr, 20 05:00 @ Mostly stable
08:00
22 °C
22 °C
13 km/h
38 km/h
1017 mb
82.7%
4,434 m
369 m
Apr, 20 08:00 @ Mostly stable
11:00
30 °C
33 °C
17 km/h 
22 km/h
1017 mb
38.2%
4,524 m
1,337 m
Apr, 20 11:00 @ Mostly stable
14:00
34 °C
37 °C
19 km/h
23 km/h
1015 mb
30.9%
4,512 m
2,088 m
Apr, 20 14:00 @ Slightly unstable
17:00
32 °C
35 °C
19 km/h
22 km/h
1014 mb
41.1%
4,461 m
1,577 m
2/4
Apr, 20 17:00 @ Slightly unstable
20:00
27 °C
28 °C
18 km/h
32 km/h
1015 mb
57.7%
4,390 m
345 m
Apr, 20 20:00 @ Slightly unstable
23:00
23 °C
24 °C
16 km/h
32 km/h
1016 mb
72.6%
4,366 m
255 m
Apr, 20 23:00 @ Mostly stable
21 Apr will be very warm (caution) and the weather will be stable, thunderstorms not likely.
The sky will be clear:
1% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
The highest temperature will reach 34 degrees Celsius, while the the lowest temperature will drop to 20 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1014 mb. Relative humidity will be high.
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
02:00
22 °C
23 °C
13 km/h
29 km/h
1015 mb
73.6%
4,368 m
217 m
Apr, 21 02:00 @ Mostly stable
05:00
21 °C
22 °C
12 km/h
32 km/h
1014 mb
77.5%
4,300 m
225 m
Apr, 21 05:00 @ Mostly stable
08:00
22 °C
22 °C
15 km/h
35 km/h
1015 mb
74.8%
4,323 m
305 m
Apr, 21 08:00 @ Mostly stable
11:00
31 °C
33 °C
18 km/h
22 km/h
1016 mb
37.5%
4,486 m
1,134 m
Apr, 21 11:00 @ Mostly stable
14:00
33 °C
36 °C
13 km/h 
21 km/h
1014 mb
34.3%
4,461 m
1,711 m
Apr, 21 14:00 @ Mostly stable
17:00
32 °C
35 °C
13 km/h 
15 km/h
1013 mb
42.7%
4,454 m
1,536 m
2/4
Apr, 21 17:00 @ Slightly unstable
20:00
26 °C
28 °C
8 km/h 
13 km/h
1014 mb
63.0%
4,467 m
86 m
Apr, 21 20:00 @ Slightly unstable
23:00
23 °C
25 °C
7 km/h
7 km/h
1015 mb
83.3%
4,438 m
36 m
Apr, 21 23:00 @ Slightly unstable
22 Apr will be very warm (caution) and the weather will be .
The sky will be clear:
The highest temperature will reach 35 degrees Celsius, while the the lowest temperature will drop to 21 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 6080 mb. Relative humidity will be .
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
02:00
22 °C
24 °C
6 km/h
6 km/h
1014 mb
88.0%
4,390 m
31 m
Apr, 22 02:00 @ Slightly unstable
05:00
22 °C
23 °C
6 km/h
7 km/h
1013 mb
90.4%
4,339 m
31 m
Apr, 22 05:00 @ Slightly unstable
08:00
23 °C
25 °C
7 km/h
16 km/h
1015 mb
82.1%
4,384 m
144 m
Apr, 22 08:00 @ Slightly unstable
11:00
32 °C
34 °C
12 km/h
15 km/h
1015 mb
39.8%
4,470 m
1,238 m
2/4
Apr, 22 11:00 @ Slightly unstable
14:00
34 °C
38 °C
9 km/h
11 km/h
1014 mb
35.9%
4,469 m
1,814 m
Apr, 22 14:00 @ Slightly unstable
17:00
34 °C
37 °C
8 km/h
11 km/h
1013 mb
36.9%
4,453 m
1,836 m
Apr, 22 17:00 @ Slightly unstable
Arenal
17:25 
