Thu
Apr 18
Slightly unstable
~2
l/m2
49%
Fri
Apr 19
Slightly unstable
~1
l/m2
19%
Sat
Apr 20
Slightly unstable
~4
l/m2
40%
Sun
Apr 21
Slightly unstable
~6
l/m2
49%
Mon
Apr 22
Slightly unstable
~5
l/m2
59%
Tue
Apr 23
Slightly unstable
~2
l/m2
41%
Wed
Apr 24
Slightly unstable
~4
l/m2
41%
18 Apr will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 49% probability of light rainfall and showers.
The sky will be overcast:
92% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
5% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
34% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
5% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 24 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 1010 mb. Relative humidity will be high.
Thursday
Weather
Precipitation mm probability
Showers (% of Precipitation)
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
0.5 12%
100%
32 °C
35 °C
3 km/h 
9 km/h
1012 mb
53.3%
4,962 m
1,196 m
2/4
Apr, 18 11:00 @ Slightly unstable
14:00
1 49%
100%
33 °C
36 °C
8 km/h 
13 km/h
1009 mb
49.3%
5,039 m
1,483 m
2/4
Apr, 18 14:00 @ Slightly unstable
17:00
32 °C
35 °C
6 km/h 
10 km/h
1008 mb
51.6%
5,082 m
893 m
2/4
Apr, 18 17:00 @ Slightly unstable
20:00
0.2 15%
100%
25 °C
27 °C
4 km/h
8 km/h
1011 mb
89.2%
5,182 m
91 m
Apr, 18 20:00 @ Slightly unstable
23:00
25 °C
27 °C
2 km/h
2 km/h
1012 mb
93.1%
5,214 m
26 m
Apr, 18 23:00 @ Slightly unstable
19 Apr will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 19% probability of light rainfall and showers.
The sky will be mostly cloudy:
84% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
24% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
3% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1011 mb. Relative humidity will be very high.
Friday
Weather
Precipitation mm probability
Showers (% of Precipitation)
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
24 °C
26 °C
2 km/h 
2 km/h
1011 mb
96.8%
4,890 m
21 m
Apr, 19 02:00 @ Slightly unstable
05:00
23 °C
25 °C
3 km/h
3 km/h
1011 mb
97.4%
4,936 m
20 m
Apr, 19 05:00 @ Slightly unstable
08:00
26 °C
29 °C
2 km/h
6 km/h
1012 mb
80.1%
5,033 m
395 m
Apr, 19 08:00 @ Slightly unstable
11:00
33 °C
36 °C
11 km/h
12 km/h
1012 mb
49.6%
5,208 m
1,627 m
2/4
Apr, 19 11:00 @ Slightly unstable
14:00
32 °C
35 °C
16 km/h
19 km/h
1010 mb
52.5%
5,144 m
1,098 m
2/4
Apr, 19 14:00 @ Slightly unstable
17:00
29 °C
32 °C
15 km/h
16 km/h
1009 mb
64.7%
5,188 m
772 m
2/4
Apr, 19 17:00 @ Slightly unstable
20:00
0.3 17%
100%
25 °C
27 °C
4 km/h
9 km/h
1012 mb
89.5%
5,189 m
107 m
Apr, 19 20:00 @ Slightly unstable
23:00
0.3 19%
100%
24 °C
26 °C
1 km/h
2 km/h
1014 mb
93.9%
5,105 m
31 m
Apr, 19 23:00 @ Slightly unstable
20 Apr will be very warm (caution) and the weather will be slightly unstable, thunderstorms possible.
There is a 40% probability of light rainfall and showers.
The sky will be mostly cloudy:
61% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
12% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
35% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
18% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1012 mb. Relative humidity will be very high.
Saturday
Weather
Precipitation mm probability
Showers (% of Precipitation)
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
0.4 32%
100%
23 °C
25 °C
3 km/h 
3 km/h
1012 mb
95.8%
5,112 m
31 m
Apr, 20 02:00 @ Slightly unstable
05:00
23 °C
25 °C
3 km/h 
3 km/h
1012 mb
97.0%
5,082 m
25 m
Apr, 20 05:00 @ Slightly unstable
08:00
26 °C
28 °C
3 km/h
8 km/h
1014 mb
81.9%
4,983 m
390 m
Apr, 20 08:00 @ Slightly unstable
11:00
1.1 40%
100%
30 °C
33 °C
12 km/h
15 km/h
1014 mb
61.0%
5,124 m
1,263 m
2/4
Apr, 20 11:00 @ Slightly unstable
14:00
1.8 36%
100%
32 °C
36 °C
18 km/h
18 km/h
1011 mb
50.8%
4,997 m
1,542 m
2/4
Apr, 20 14:00 @ Slightly unstable
17:00
29 °C
31 °C
16 km/h
21 km/h
1011 mb
64.2%
5,055 m
1,103 m
1/4
Apr, 20 17:00 @ Slightly unstable
20:00
0.4 30%
100%
24 °C
26 °C
4 km/h
11 km/h
1013 mb
90.1%
5,135 m
114 m
Apr, 20 20:00 @ Slightly unstable
23:00
0.3 32%
100%
24 °C
26 °C
2 km/h
2 km/h
1014 mb
94.2%
5,087 m
27 m
Apr, 20 23:00 @ Slightly unstable
21 Apr will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 49% probability of moderate rainfall and showers.
The sky will be overcast:
91% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
14% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
36% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
17% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 22 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1012 mb. Relative humidity will be very high.
Sunday
Weather
Precipitation mm probability
Showers (% of Precipitation)
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
0.4 28%
100%
23 °C
25 °C
2 km/h 
2 km/h
1013 mb
94.6%
4,972 m
25 m
Apr, 21 02:00 @ Slightly unstable
05:00
23 °C
25 °C
3 km/h
3 km/h
1012 mb
96.4%
5,082 m
21 m
Apr, 21 05:00 @ Slightly unstable
08:00
26 °C
28 °C
2 km/h
2 km/h
1014 mb
82.9%
5,022 m
357 m
Apr, 21 08:00 @ Slightly unstable
11:00
32 °C
35 °C
8 km/h
8 km/h
1013 mb
51.7%
5,046 m
1,525 m
2/4
Apr, 21 11:00 @ Slightly unstable
14:00
0.4 33%
100%
31 °C
34 °C
14 km/h
17 km/h
1010 mb
56.0%
5,047 m
966 m
2/4
Apr, 21 14:00 @ Slightly unstable
17:00
1.2 40%
100%
28 °C
31 °C
13 km/h
17 km/h
1010 mb
70.0%
5,110 m
479 m
2/4
Apr, 21 17:00 @ Slightly unstable
20:00
3.5 49%
100%
25 °C
26 °C
4 km/h
8 km/h
1012 mb
90.5%
5,127 m
103 m
Apr, 21 20:00 @ Slightly unstable
23:00
0.3 24%
100%
24 °C
26 °C
1 km/h
2 km/h
1013 mb
94.7%
5,090 m
22 m
Apr, 21 23:00 @ Slightly unstable
22 Apr will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 59% probability of light rainfall and showers.
The sky will be cloudy:
40% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
26% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
34% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
9% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1011 mb. Relative humidity will be very high.
Monday
Weather
Precipitation mm probability
Showers (% of Precipitation)
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
1.2 59%
100%
23 °C
25 °C
3 km/h
3 km/h
1012 mb
96.3%
4,974 m
38 m
Apr, 22 02:00 @ Slightly unstable
05:00
24 °C
26 °C
2 km/h
3 km/h
1012 mb
94.7%
4,867 m
36 m
Apr, 22 05:00 @ Slightly unstable
08:00
26 °C
28 °C
2 km/h
7 km/h
1013 mb
85.8%
4,970 m
367 m
Apr, 22 08:00 @ Slightly unstable
11:00
33 °C
36 °C
9 km/h
10 km/h
1013 mb
51.2%
4,962 m
1,630 m
2/4
Apr, 22 11:00 @ Slightly unstable
14:00
0.8 40%
100%
31 °C
34 °C
14 km/h
14 km/h
1010 mb
57.4%
5,002 m
982 m
2/4
Apr, 22 14:00 @ Slightly unstable
17:00
1 23%
100%
29 °C
31 °C
14 km/h
14 km/h
1010 mb
67.7%
5,070 m
853 m
2/4
Apr, 22 17:00 @ Slightly unstable
20:00
1.7 38%
100%
24 °C
25 °C
6 km/h
17 km/h
1012 mb
94.6%
4,962 m
304 m
Apr, 22 20:00 @ Slightly unstable
23:00
24 °C
26 °C
3 km/h
8 km/h
1014 mb
95.5%
4,898 m
157 m
Apr, 22 23:00 @ Slightly unstable
23 Apr will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 41% probability of light rainfall and showers.
The sky will be mostly cloudy:
68% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
3% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
46% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
10% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1012 mb. Relative humidity will be very high.
Tuesday
Weather
Precipitation mm probability
Showers (% of Precipitation)
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
25 °C
2 km/h
6 km/h
1012 mb
96.4%
4,873 m
97 m
Apr, 23 02:00 @ Slightly unstable
05:00
23 °C
25 °C
2 km/h
5 km/h
1012 mb
95.9%
4,850 m
75 m
Apr, 23 05:00 @ Slightly unstable
08:00
0.3 27%
100%
26 °C
27 °C
4 km/h
11 km/h
1014 mb
86.0%
4,894 m
438 m
Apr, 23 08:00 @ Slightly unstable
11:00
0.7 41%
100%
30 °C
33 °C
11 km/h
12 km/h
1014 mb
62.8%
5,057 m
1,219 m
2/4
Apr, 23 11:00 @ Slightly unstable
14:00
1.1 41%
100%
32 °C
35 °C
14 km/h
17 km/h
1011 mb
53.0%
5,091 m
1,540 m
2/4
Apr, 23 14:00 @ Slightly unstable
17:00
29 °C
31 °C
16 km/h
17 km/h
1010 mb
65.7%
5,178 m
957 m
2/4
Apr, 23 17:00 @ Slightly unstable
20:00
24 °C
26 °C
4 km/h
7 km/h
1013 mb
90.3%
5,135 m
100 m
Apr, 23 20:00 @ Slightly unstable
23:00
23 °C
25 °C
3 km/h
6 km/h
1015 mb
91.8%
4,951 m
84 m
Apr, 23 23:00 @ Slightly unstable
24 Apr will be warm and the weather will be unstable, thunderstorms likely.
There is a 41% probability of light rainfall and showers.
The sky will be overcast:
89% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
51% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
13% convective clouds (Cumulonimbus)
The highest temperature will reach 32 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1012 mb. Relative humidity will be very high.
Wednesday
Weather
Precipitation mm probability
Showers (% of Precipitation)
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
24 °C
26 °C
3 km/h
13 km/h
1013 mb
92.2%
4,865 m
205 m
Apr, 24 02:00 @ Slightly unstable
05:00
0.3 41%
100%
24 °C
26 °C
4 km/h
17 km/h
1013 mb
92.8%
4,988 m
351 m
Apr, 24 05:00 @ Slightly unstable
08:00
0.7 38%
100%
26 °C
28 °C
6 km/h
13 km/h
1014 mb
85.5%
4,957 m
490 m
Apr, 24 08:00 @ Slightly unstable
11:00
0.2 18%
100%
31 °C
34 °C
11 km/h
13 km/h
1014 mb
59.7%
5,013 m
1,369 m
2/4
Apr, 24 11:00 @ Slightly unstable
14:00
1.1 39%
100%
32 °C
35 °C
14 km/h
17 km/h
1011 mb
56.7%
5,046 m
1,391 m
2/4
Apr, 24 14:00 @ Slightly unstable
17:00
0.8 26%
100%
29 °C
31 °C
13 km/h
13 km/h
1010 mb
69.6%
5,049 m
802 m
2/4
Apr, 24 17:00 @ Slightly unstable
20:00
1 27%
100%
24 °C
26 °C
5 km/h
14 km/h
1013 mb
94.1%
4,984 m
229 m
Apr, 24 20:00 @ Slightly unstable
23:00
24 °C
26 °C
2 km/h
8 km/h
1014 mb
96.7%
4,997 m
121 m
Apr, 24 23:00 @ Slightly unstable
25 Apr will be very warm (caution) and the weather will be .
There is a 35% probability of light rainfall and showers.
The sky will be :
460% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
7% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
282% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
59% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 6068 mb. Relative humidity will be .
Thursday
Weather
Precipitation mm probability
Showers (% of Precipitation)
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
25 °C
2 km/h
9 km/h
1012 mb
97.2%
5,021 m
129 m
Apr, 25 02:00 @ Slightly unstable
05:00
23 °C
25 °C
2 km/h
3 km/h
1012 mb
96.6%
4,968 m
45 m
Apr, 25 05:00 @ Slightly unstable
08:00
0.2 18%
100%
26 °C
28 °C
4 km/h
8 km/h
1014 mb
83.3%
4,956 m
421 m
Apr, 25 08:00 @ Slightly unstable
11:00
0.2 15%
100%
32 °C
35 °C
10 km/h
11 km/h
1013 mb
56.0%
5,029 m
1,435 m
2/4
Apr, 25 11:00 @ Slightly unstable
14:00
0.5 35%
100%
32 °C
35 °C
15 km/h
18 km/h
1010 mb
53.9%
5,022 m
1,493 m
2/4
Apr, 25 14:00 @ Slightly unstable
17:00
0.7 25%
100%
29 °C
31 °C
15 km/h
19 km/h
1010 mb
68.8%
5,007 m
851 m
2/4
Apr, 25 17:00 @ Slightly unstable
Arenal
14:56 
