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.

A Few Clouds

82°F

28°C

Humidity 79%
Wind Speed E 12 mph
Barometer 30.02 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 22 Aug 8:56 pm AST
Extended Forecast for

3 Miles WNW Luis Muñoz Marín International Airport PR

  • Tonight

    Tonight: Scattered showers, mainly after 3am. Mostly clear, with a low around 80. East southeast wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Clear then
    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly before noon. Mostly sunny, with a high near 92. Heat index values as high as 107. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 92 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Sunday Night

    Sunday Night: Scattered showers after midnight. Partly cloudy, with a low around 80. East wind 9 to 11 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Mostly Clear
    then
    Scattered
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 92. Heat index values as high as 108. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 92 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Mostly clear, with a low around 80. East wind 7 to 11 mph. Chance of precipitation is 10%.

    Low: 80 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 92. East wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 92 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 81. East southeast wind around 9 mph. Chance of precipitation is 50%.

    Low: 81 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 92. East northeast wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 81. East wind 9 to 11 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers, mainly after 3am. Mostly clear, with a low around 80. East southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Sunday
Scattered showers, mainly before noon. Mostly sunny, with a high near 92. Heat index values as high as 107. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Sunday Night
Scattered showers after midnight. Partly cloudy, with a low around 80. East wind 9 to 11 mph. Chance of precipitation is 40%.
Monday
Isolated showers. Mostly sunny, with a high near 92. Heat index values as high as 108. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers. Mostly clear, with a low around 80. East wind 7 to 11 mph. Chance of precipitation is 10%.
Tuesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 92. East wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 81. East southeast wind around 9 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 92. East northeast wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 81. East wind 9 to 11 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 81.
Friday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 81.
Saturday
Scattered showers. Partly sunny, with a high near 91. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Luis Muñoz Marín International Airport PR
 18.45°N 66.04°W (Elev. 7 ft)
Last Update:
3:44 pm AST Aug 22, 2026
Forecast Valid:
9pm AST Aug 22, 2026-6pm AST Aug 29, 2026
 
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Additional Resources

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Chance of Precipitation