San Juan weather live forecast

Today's maximum temperature in San Juan is expected to be 88°F. Select a day from the live weather forecast for San Juan, Dominican Republic for more weather parameters.

Wednesday
23rd Sep
88

72

6

10
Thursday
24th Sep
88

70

6

10
Friday
25th Sep
90

72

7

10
Saturday
26th Sep
93

72

7

11
Sunday
27th Sep
93

70

8

11

5-day weather forecast updated at 04:00 on Wednesday 23rd 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 23rd September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a light breeze of 7 mph from the south-east.

88
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
98
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from SE

San Juan weather for Thursday 24th September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 10 mph from the south-east.

88
°F maximum temperature
70
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
74
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from SE

San Juan weather for Friday 25th September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 9 mph from the south-east.

90
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
61
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from SE

San Juan weather for Saturday 26th September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 11 mph from the south-east.

93
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
47
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
11
mph wind from SE

San Juan weather for Sunday 27th September 2026

Expect isolated thunderstorms in San Juan, Dominican Republic with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 12 mph from the south-east.