La Fortuna weather live forecast

Today's maximum temperature in La Fortuna is expected to be 30°C. Select a day from the live weather forecast for La Fortuna, Costa Rica for more weather parameters.

Thursday
21st May
30

23

6

UV10
Friday
22nd May
29

24

4

UV10
Saturday
23rd May
29

24

4

UV11
Sunday
24th May
28

24

3

UV7
Monday
25th May
28

23

3

UV11

5-day weather forecast updated at 04:02 on Thursday 21st May 2026 GMT

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The 5-day weather forecast for Costa Rica (La Fortuna) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

La Fortuna weather forecast by day

Below are the detailed weather forecasts for La Fortuna for the next 5 days.

La Fortuna weather for Thursday 21st May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 16 kph from the east.

30
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
UV10
UV index (Very High)
29
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

La Fortuna weather for Friday 22nd May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 14 kph from the east.

29
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
UV10
UV index (Very High)
72
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

La Fortuna weather for Saturday 23rd May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a light breeze of 11 kph from the east.

29
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
UV11
UV index (Extreme)
77
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

La Fortuna weather for Sunday 24th May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a light breeze of 11 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
UV7
UV index (High)
86
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

La Fortuna weather for Monday 25th May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 14 kph from the east.