Rio San Juan weather live forecast

Today's maximum temperature in Rio San Juan is expected to be 31°C. Select a day from the live weather forecast for Rio San Juan, Dominican Republic for more weather parameters.

Wednesday
16th Sep
31

26

5

8
Thursday
17th Sep
33

26

7

9
Friday
18th Sep
32

26

7

11
Saturday
19th Sep
34

25

7

11
Sunday
20th Sep
33

25

6

4

5-day weather forecast updated at 04:02 on Wednesday 16th September 2026 GMT

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

Rio San Juan weather forecast by day

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

Rio San Juan weather for Wednesday 16th September 2026

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 20 kph from the east.

31
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
32
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from E

Rio San Juan weather for Thursday 17th September 2026

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 22 kph from the south-east.

33
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
81
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
22
kph wind from SE

Rio San Juan weather for Friday 18th September 2026

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a moderate breeze of 21 kph from the south-east.

32
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
71
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
21
kph wind from SE

Rio San Juan weather for Saturday 19th September 2026

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 17 kph from the south-east.

34
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
67
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
17
kph wind from SE

Rio San Juan weather for Sunday 20th September 2026

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 17 kph from the south-east.