National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

75°F

24°C

Humidity 83%
Wind Speed SE 3 mph
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 27 Mar 7:56 am AST
Extended Forecast for

San Juan PR

  • Today

    Today: Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 85. East wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    High: 85 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 73. East southeast wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 83. East northeast wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers. Partly cloudy, with a low around 74. East northeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 84. East northeast wind 9 to 13 mph. Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 74. Northeast wind 11 to 13 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 83. Northeast wind 10 to 13 mph. Chance of precipitation is 50%.

    High: 83 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 73. East northeast wind around 10 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers. Mostly cloudy, with a high near 82. East northeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 82 °F

    Scattered
    Showers

Detailed Forecast

Today
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 85. East wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 73. East southeast wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 83. East northeast wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Scattered showers. Partly cloudy, with a low around 74. East northeast wind around 8 mph. Chance of precipitation is 30%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 84. East northeast wind 9 to 13 mph. Chance of precipitation is 40%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 74. Northeast wind 11 to 13 mph. Chance of precipitation is 20%.
Monday
Scattered showers. Partly sunny, with a high near 83. Northeast wind 10 to 13 mph. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 73. East northeast wind around 10 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 82. East northeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
4:07 am AST Mar 27, 2026
Forecast Valid:
8am AST Mar 27, 2026-6pm AST Apr 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation