La Fortuna weather live forecast

Today's maximum temperature in La Fortuna is expected to be 84°F. Select a day from the live weather forecast for La Fortuna, Costa Rica for more weather parameters.

Monday
18th May
84

73

3

9
Tuesday
19th May
84

73

3

10
Wednesday
20th May
82

73

3

11
Thursday
21st May
84

73

2

10
Friday
22nd May
84

73

3

11

5-day weather forecast updated at 04:02 on Monday 18th 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 Monday 18th May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 10 mph from the east.

84
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
58
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from E

La Fortuna weather for Tuesday 19th May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 84°F, 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 86% chance of some rain and a gentle breeze of 8 mph from the east.

84
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
10
UV index (Very High)
86
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
8
mph wind from E

La Fortuna weather for Wednesday 20th May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 82°F, 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 83% chance of some rain and a gentle breeze of 8 mph from the east.

82
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
83
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
8
mph wind from E

La Fortuna weather for Thursday 21st May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a light breeze of 7 mph from the east.

84
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
10
UV index (Very High)
82
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

La Fortuna weather for Friday 22nd May 2026

Expect isolated thunderstorms in La Fortuna, Costa Rica with a maximum temperature of 84°F, 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 81% chance of some rain and a light breeze of 6 mph from the east.