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.

Tuesday
19th May
29

23

3

UV10
Wednesday
20th May
28

24

4

UV10
Thursday
21st May
28

23

4

UV9
Friday
22nd May
29

23

4

UV11
Saturday
23rd May
29

23

2

UV11

5-day weather forecast updated at 04:02 on Tuesday 19th 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 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 10 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 15 kph from the east.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
UV10
UV index (Very High)
76
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
15
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 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 15 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
UV10
UV index (Very High)
70
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
15
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 28°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 70% chance of some rain and a light breeze of 12 kph from the south-east.

28
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
UV9
UV index (Very High)
70
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SE

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 11 (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 84% chance of some rain and a light breeze of 9 kph from the east.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
UV11
UV index (Extreme)
84
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
9
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 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a light breeze of 10 kph from the east.