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.

A Few Clouds

81°F

27°C

Humidity 79%
Wind Speed S 3 mph
Barometer 29.84 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 5 Nov 12:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Isolated showers after 3am. Mostly clear, with a low around 79. Light south southwest wind. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers, then showers and possibly a thunderstorm after noon. High near 88. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 88 °F

    Isolated
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly before 3am. Partly cloudy, with a low around 79. Calm wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    Showers

  • Friday

    Friday: Isolated showers before 9am, then scattered showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 87. West wind 5 to 7 mph. Chance of precipitation is 70%.

    High: 87 °F

    Scattered
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 79. Southwest wind around 6 mph. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 88. West northwest wind 3 to 7 mph. Chance of precipitation is 70%.

    High: 88 °F

    Scattered
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. Light southwest wind.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely after noon. Mostly sunny, with a high near 86. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 86 °F

    Sunny then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. Calm wind.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Overnight
Isolated showers after 3am. Mostly clear, with a low around 79. Light south southwest wind. Chance of precipitation is 10%.
Thursday
Isolated showers, then showers and possibly a thunderstorm after noon. High near 88. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Scattered showers, mainly before 3am. Partly cloudy, with a low around 79. Calm wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 40%.
Friday
Isolated showers before 9am, then scattered showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 87. West wind 5 to 7 mph. Chance of precipitation is 70%.
Friday Night
Isolated showers. Partly cloudy, with a low around 79. Southwest wind around 6 mph. Chance of precipitation is 10%.
Saturday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 88. West northwest wind 3 to 7 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 79. Light southwest wind.
Sunday
Showers likely after noon. Mostly sunny, with a high near 86. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 79. Calm wind.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 78.
Veterans Day
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.4°N 66.05°W (Elev. 72 ft)
Last Update:
9:39 pm AST Nov 4, 2026
Forecast Valid:
1am AST Nov 5, 2026-6pm AST Nov 11, 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