San Jose weather live forecast

Today's maximum temperature in San Jose is expected to be 25°C. Select a day from the live weather forecast for San Jose, Costa Rica for more weather parameters.

Monday
25th May
25

21

6

UV9
Tuesday
26th May
23

21

5

UV11
Wednesday
27th May
24

21

5

UV9
Thursday
28th May
24

21

2

UV6
Friday
29th May
23

20

4

UV11

5-day weather forecast updated at 04:00 on Monday 25th May 2026 GMT

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

San Jose weather forecast by day

Below are the detailed weather forecasts for San Jose for the next 5 days.

San Jose weather for Monday 25th May 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a moderate breeze of 22 kph from the east.

25
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
UV9
UV index (Very High)
72
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
22
kph wind from E

San Jose weather for Tuesday 26th May 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 23°C, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 18 kph from the east.

23
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV11
UV index (Extreme)
99
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
18
kph wind from E

San Jose weather for Wednesday 27th May 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 24°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 16 kph from the east.

24
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV9
UV index (Very High)
98
% chance of some rain
<20
mm of rainfall expected
24
°C wind chill
16
kph wind from E

San Jose weather for Thursday 28th May 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 24°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 17 kph from the east.

24
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
UV6
UV index (High)
96
% chance of some rain
<40
mm of rainfall expected
24
°C wind chill
17
kph wind from E

San Jose weather for Friday 29th May 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 23°C, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 16 kph from the east.