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

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

82°F

28°C

Humidity 65%
Wind Speed E 14 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 21 Apr 8:56 am AST
Extended Forecast for

San Juan PR

  • Today

    Today: Isolated showers. Mostly sunny, with a high near 87. East northeast wind 8 to 13 mph. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 72. East northeast wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly between 9am and noon. Mostly sunny, with a high near 86. Northeast wind 6 to 11 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 71. East northeast wind 3 to 6 mph. Chance of precipitation is 10%.

    Low: 71 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers. Mostly sunny, with a high near 86. East southeast wind around 6 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 72. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

  • Friday

    Friday: Showers likely, mainly after noon. Partly sunny, with a high near 86. Light east southeast wind becoming east 8 to 13 mph in the morning. Chance of precipitation is 60%.

    High: 86 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Southeast wind 5 to 7 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after noon. Mostly cloudy, with a high near 87. East wind 5 to 11 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 87. East northeast wind 8 to 13 mph. Chance of precipitation is 20%.
Tonight
Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 72. East northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly between 9am and noon. Mostly sunny, with a high near 86. Northeast wind 6 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 71. East northeast wind 3 to 6 mph. Chance of precipitation is 10%.
Thursday
Scattered showers. Mostly sunny, with a high near 86. East southeast wind around 6 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 72. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Friday
Showers likely, mainly after noon. Partly sunny, with a high near 86. Light east southeast wind becoming east 8 to 13 mph in the morning. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 72. Southeast wind 5 to 7 mph.
Saturday
Showers likely, mainly after noon. Mostly cloudy, with a high near 87. East wind 5 to 11 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Showers likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Showers likely. Partly sunny, with a high near 87. 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 66.08°W (Elev. 16 ft)
Last Update:
5:09 am AST Apr 21, 2026
Forecast Valid:
9am AST Apr 21, 2026-6pm AST Apr 27, 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