National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

88°F

31°C

Humidity 59%
Wind Speed E 7 mph
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 2 Sep 12:56 pm AST
Extended Forecast for

3 Miles WNW Luis Muñoz Marín International Airport PR

Heat Advisory September 2, 01:13pm until September 2, 04:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 01:13pm until September 2, 04:00pm

    NOW until 4:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 80. East southeast wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers, mainly after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 106. East wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Isolated showers before midnight, then isolated showers after 3am. Mostly clear, with a low around 79. Southeast wind 6 to 9 mph. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 92. East wind 6 to 15 mph. Chance of precipitation is 40%.

    High: 92 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 80. East wind 7 to 9 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after noon. Mostly sunny, with a high near 92. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 92 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 80. Southeast wind 6 to 8 mph.

    Low: 80 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Scattered showers, mainly before 3pm. Mostly sunny, with a high near 91. Heat index values as high as 106. East wind around 15 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 80. East southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Thursday
Scattered showers, mainly after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 106. East wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Isolated showers before midnight, then isolated showers after 3am. Mostly clear, with a low around 79. Southeast wind 6 to 9 mph. Chance of precipitation is 10%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 92. East wind 6 to 15 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 80. East wind 7 to 9 mph. Chance of precipitation is 50%.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 92. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 80. Southeast wind 6 to 8 mph.
Sunday
Showers likely, mainly after noon. Partly sunny, with a high near 93. East wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Labor Day
Scattered showers. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
Monday Night
Scattered showers. Partly cloudy, with a low around 81. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 93. 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:
12:06 pm AST Sep 2, 2026
Forecast Valid:
1pm AST Sep 2, 2026-6pm AST Sep 8, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation