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Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

87°F

31°C

Humidity 77%
Wind Speed Calm
Barometer 29.86 in (1010.9 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 20 Sep 8:56 am AST
Extended Forecast for

Luis Muñoz Marín International Airport PR

Heat Advisory September 20, 10:00am until September 20, 04:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Scattered showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 87. Heat index values as high as 102. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 82. South wind around 6 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 90. Heat index values as high as 106. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 81. South southwest wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 81 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 89. South southwest wind 5 to 10 mph becoming north northeast in the morning. Chance of precipitation is 40%.

    High: 89 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Partly cloudy, with a low around 81. East wind around 6 mph becoming light and variable. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Mostly cloudy, with a high near 88. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%.

    High: 88 °F

    Scattered
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 81. South wind 3 to 5 mph. Chance of precipitation is 50%.

    Low: 81 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Partly sunny, with a high near 88. Calm wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 50%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 87. Heat index values as high as 102. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 82. South wind around 6 mph. Chance of precipitation is 40%.
Saturday
Scattered showers. Partly sunny, with a high near 90. Heat index values as high as 106. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Isolated showers. Partly cloudy, with a low around 81. South southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 89. South southwest wind 5 to 10 mph becoming north northeast in the morning. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 81. East wind around 6 mph becoming light and variable. Chance of precipitation is 30%.
Monday
Showers likely, mainly after noon. Mostly cloudy, with a high near 88. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 81. South wind 3 to 5 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, mainly after noon. Partly sunny, with a high near 88. Calm wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 82.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 80.
Thursday
Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Luis Muñoz Marín International Airport PR
 18.42°N 66.01°W (Elev. 13 ft)
Last Update:
8:00 am AST Sep 20, 2024
Forecast Valid:
9am AST Sep 20, 2024-6pm AST Sep 26, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation