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

81°F

27°C

Humidity 77%
Wind Speed Calm
Barometer 29.97 in (1014.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 4 Oct 5:56 pm AST
Extended Forecast for

Luis M. Cintron PR

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 78 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. East southeast wind 8 to 11 mph. Chance of precipitation is 50%.

    High: 89 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind 8 to 10 mph. Chance of precipitation is 50%.

    Low: 77 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 89. East wind around 9 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 77. East wind around 9 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. East southeast wind 10 to 13 mph. Chance of precipitation is 50%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 78. East southeast wind 7 to 10 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 89. East southeast wind 9 to 13 mph. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. East southeast wind 8 to 11 mph. Chance of precipitation is 50%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Partly sunny, with a high near 89. East wind around 9 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 77. East wind around 9 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. East southeast wind 10 to 13 mph. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 78. East southeast wind 7 to 10 mph. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 89. East southeast wind 9 to 13 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 40%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Luis M. Cintron PR
 18.3°N 65.64°W (Elev. 30 ft)
Last Update:
3:41 pm AST Oct 4, 2026
Forecast Valid:
6pm AST Oct 4, 2026-6pm AST Oct 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