San Jose weather live forecast

Today's maximum temperature in San Jose is expected to be 26°C. Select a day from the live weather forecast for San Jose, Costa Rica for more weather parameters.

Friday
25th Sep
26

19

4

5
Saturday
26th Sep
25

19

2

9
Sunday
27th Sep
25

19

3

8
Monday
28th Sep
26

19

4

8
Tuesday
29th Sep
25

19

4

11

5-day weather forecast updated at 04:00 on Friday 25th September 2026 GMT

More about San Jose

San Jose by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Costa Rica

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 Friday 25th September 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 18 kph from the east.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
88
% chance of some rain
<40
mm of rainfall expected
L
low heat & humidity
18
kph wind from E

San Jose weather for Saturday 26th September 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 50 mm or more of rainfall expected with 91% chance of some rain and a gentle breeze of 17 kph from the west.

25
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
9
UV index (Very High)
91
% chance of some rain
>50
mm or more of rainfall expected
25
°C wind chill
17
kph wind from W

San Jose weather for Sunday 27th September 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 18 kph from the west.

25
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
93
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
18
kph wind from W

San Jose weather for Monday 28th September 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 18 kph from the east.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
93
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
18
kph wind from E

San Jose weather for Tuesday 29th September 2026

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 18 kph from the east.