San Juan

San Juan Antiguo Barrio, San Juan, Puerto Rico

Forecast Summary

The next few hours will be mostly clear, with today reaching 28°C and dropping to 26°C. The coming days will be mostly clear and breezy throughout the day and drizzle until evening, returning overnight.

Current Weather

28°

Breezy and Mostly Clear

Feels Like

32°

Min

26°

Max

28°

Compared to Yesterday

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Upgrade Now

Hourly Forecast

Weather forecast for the next 48 hours.

28° 28° 28° 28° 28° 28° 27° 27° 27° 27° 27° 27° 27° 27° 26° 26° 26° 26° 26° 26° 26° 26° 26° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 26° 26° 26° 26° 26° 26° 27° 27° 27° 27°

6%

6%

8%

7%

5%

1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
Today
Tomorrow
Friday

UV Index

Minimize sun exposure

9 Very High
Low Extreme

Humidity

Current air moisture level

74% Humid
Low High

Daylight Hours

12 hours 45 minutes of sunlight today

05:58

Sunrise

18:43

Sunset

Daily Forecast

Weather forecast for the next 8 days.

Today

26°
28°

Thursday

26°
27°

Friday

26°
27°

Saturday

25°
27°

Sunday

26°
27°

Monday

25°
27°

Tuesday

26°
27°

Wednesday

26°
27°

Air Quality Data Available

Upgrade to access real-time air quality data for San Juan.

Upgrade Now
Powered by Airpult

Frequently asked questions about weather in San Juan

How warm does it get in San Juan?

The warmest month in San Juan is August, with average high temperatures of 30°C. The average temperature during this period is around 28°C.

How cold does it get in San Juan?

The coldest month in San Juan is February, with average low temperatures of 23°C. The average temperature during this period is around 25°C.

What is the wettest time of year in San Juan?

The wettest month in San Juan is September, with an average of 143mm of precipitation.

What is the driest time of year in San Juan?

The driest month in San Juan is January, with an average of 32mm of precipitation.

View full climate insights for San Juan →

Stay informed

Latest Weather News

  ·  

   

  ·  

   

  ·  

   

  ·  

   

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

Cookie Settings
gb English
Metric (°C, km/h)

Confirm