Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

87°F

31°C

Humidity 75%
Wind Speed E 14 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 5 Sep 1:56 pm AST
Extended Forecast for

3 Miles WNW Luis Muñoz Marín International Airport PR

Heat Advisory September 5, 03:32pm until September 5, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 03:32pm until September 5, 05:00pm

    NOW until 5:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers.  Partly cloudy, with a low around 81. East southeast wind 7 to 9 mph.  Chance of precipitation is 20%.

    Low: 81 °F

    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 93. Heat index values as high as 109. East wind 8 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 93 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 81. Southeast wind 6 to 8 mph.  Chance of precipitation is 60%.

    Low: 81 °F

    Showers
    Likely

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 93. East wind 10 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%.

    High: 93 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers.  Partly cloudy, with a low around 81. East southeast wind around 10 mph.  Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers.  Partly sunny, with a high near 91. East wind around 11 mph.  Chance of precipitation is 50%.

    High: 91 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers.  Partly cloudy, with a low around 81. East wind around 11 mph.  Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers. Mostly sunny, with a high near 92. Heat index values as high as 106. East wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 81. East southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 93. Heat index values as high as 109. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 81. Southeast wind 6 to 8 mph. Chance of precipitation is 60%.
Labor Day
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 93. East wind 10 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday Night
Scattered showers. Partly cloudy, with a low around 81. East southeast wind around 10 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 91. East wind around 11 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 81. East wind around 11 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 92. East wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 81. Chance of precipitation is 30%.
Thursday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 80.
Friday
Sunny, with a high near 92.
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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)
3:46 am AST Sep 5, 2026
3pm AST Sep 5, 2026-6pm AST Sep 11, 2026
 
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