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

83°F

28°C

Humidity 77%
Wind Speed SE 3 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 19 Sep 8:56 pm AST
Extended Forecast for

3 Miles WNW Luis Muñoz Marín International Airport PR

  • Tonight

    Tonight: Scattered showers, mainly after 3am. Partly cloudy, with a low around 79. Southeast wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 92. Heat index values as high as 106. East wind 6 to 14 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 92 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 79. East southeast wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 105. East wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 79. Southeast wind 5 to 9 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 8 to 14 mph. Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. East southeast wind 7 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. East southeast wind 6 to 9 mph.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers, mainly after 3am. Partly cloudy, with a low around 79. Southeast wind 6 to 8 mph. Chance of precipitation is 50%.
Sunday
Scattered showers. Partly sunny, with a high near 92. Heat index values as high as 106. East wind 6 to 14 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 79. East southeast wind 6 to 8 mph. Chance of precipitation is 50%.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 105. East wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 79. Southeast wind 5 to 9 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 8 to 14 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 79. East southeast wind 7 to 10 mph.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 79. East southeast wind 6 to 9 mph.
Thursday
Scattered showers. Partly sunny, with a high near 92. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 80.
Saturday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
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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:
8:35 pm AST Sep 19, 2026
Forecast Valid:
9pm AST Sep 19, 2026-6pm AST Sep 26, 2026
 
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Additional Resources

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Chance of Precipitation