La Fortuna weather live forecast

Today's maximum temperature in La Fortuna is expected to be 29°C. Select a day from the live weather forecast for La Fortuna, Costa Rica for more weather parameters.

Sunday
17th May
29

23

3

7
Monday
18th May
29

23

4

9
Tuesday
19th May
29

23

3

11
Wednesday
20th May
29

23

3

11
Thursday
21st May
29

23

3

11

5-day weather forecast updated at 04:02 on Sunday 17th 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 Sunday 17th 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 7 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 14 kph from the east.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
63
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

La Fortuna weather for Monday 18th 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 9 (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
23
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
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 Tuesday 19th 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 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 13 kph from the east.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
79
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

La Fortuna weather for Wednesday 20th 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 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 14 kph from the east.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
83
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

La Fortuna weather for Thursday 21st 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 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a light breeze of 11 kph from the east.