San Juan weather forecast

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Saturday
31st Jul

30

26

7
Sunday
1st Aug

30

26

8
Monday
2nd Aug

29

25

7
Tuesday
3rd Aug

30

25

7
Wednesday
4th Aug

29

25

6

Last updated at 04:02 on Saturday 31st July 2021 GMT

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The 5-day weather forecast for San Juan, Puerto Rico 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 Saturday 31st July 2021

Below is the San Juan weather forecast for Saturday 31st July 2021. Expect scattered clouds in San Juan, Puerto Rico with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
scattered clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from E

San Juan weather for Sunday 1st August 2021

Below is the San Juan weather forecast for Sunday 1st August 2021. Expect scattered clouds in San Juan, Puerto Rico with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from E

San Juan weather for Monday 2nd August 2021

Below is the San Juan weather forecast for Monday 2nd August 2021. Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 29°C, moderate 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 50% chance of some rain and a moderate breeze of 20 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
50
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from E

San Juan weather for Tuesday 3rd August 2021

Below is the San Juan weather forecast for Tuesday 3rd August 2021. Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 30°C, moderate 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 78% chance of some rain and a moderate breeze of 22 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
78
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from E

San Juan weather for Wednesday 4th August 2021

Below is the San Juan weather forecast for Wednesday 4th August 2021. Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 75% chance of some rain and a moderate breeze of 25 kph from the east.