San Jose weather live forecast

Today's maximum temperature in San Jose is expected to be 22°C. Select a day from the live weather forecast for San Jose, Costa Rica for more weather parameters.

Sunday
16th Aug
22

20

1

5
Monday
17th Aug
23

20

3

9
Tuesday
18th Aug
24

20

3

6
Wednesday
19th Aug
24

20

4

9
Thursday
20th Aug
24

20

5

7

5-day weather forecast updated at 04:00 on Sunday 16th August 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 Sunday 16th August 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 22 kph from the east.

22
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
86
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
22
kph wind from E

San Jose weather for Monday 17th August 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 23°C, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 17 kph from the east.

23
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
92
% chance of some rain
<40
mm of rainfall expected
23
°C wind chill
17
kph wind from E

San Jose weather for Tuesday 18th August 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 24°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 18 kph from the east.

24
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
92
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
18
kph wind from E

San Jose weather for Wednesday 19th August 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 24°C, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 17 kph from the east.

24
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
90
% chance of some rain
<10
mm of rainfall expected
24
°C wind chill
17
kph wind from E

San Jose weather for Thursday 20th August 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 24°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 95% chance of some rain and a moderate breeze of 20 kph from the east.