San Juan weather live forecast

Today's maximum temperature in San Juan is expected to be 32°C. Select a day from the live weather forecast for San Juan, Dominican Republic for more weather parameters.

Wednesday
2nd Sep
32

22

7

10
Thursday
3rd Sep
32

22

8

10
Friday
4th Sep
33

22

7

10
Saturday
5th Sep
34

23

9

11
Sunday
6th Sep
33

23

6

11

5-day weather forecast updated at 04:00 on Wednesday 2nd September 2026 GMT

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

San Juan weather forecast by day

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

San Juan weather for Wednesday 2nd September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 16 kph from the south-east.

32
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
92
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from SE

San Juan weather for Thursday 3rd September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a light breeze of 12 kph from the south-east.

32
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
92
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SE

San Juan weather for Friday 4th September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 14 kph from the south-east.

33
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
59
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
14
kph wind from SE

San Juan weather for Saturday 5th September 2026

Expect scattered clouds in San Juan, Dominican Republic with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-east.

34
°C maximum temperature
23
°C minimum temperature
scattered clouds
9
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from SE

San Juan weather for Sunday 6th September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 20 kph from the south-east.