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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

81°F

27°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Aug 5:56 am AST
Extended Forecast for

3 Miles SSE G. L. Garcia PR

Heat Advisory August 17, 10:00am until August 17, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers before noon. Sunny, with a high near 81. East wind 6 to 11 mph. Chance of precipitation is 10%.

    High: 81 °F

    Isolated
    Showers then
    Sunny

  • Tonight

    Tonight: Isolated showers between midnight and 3am. Mostly clear, with a low around 70. East northeast wind 3 to 6 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Mostly Clear
    then Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers between 9am and noon. Sunny, with a high near 81. East wind 6 to 13 mph. Chance of precipitation is 10%.

    High: 81 °F

    Isolated
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 71. East northeast wind around 6 mph. Chance of precipitation is 10%.

    Low: 71 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 79. Southeast wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 79 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 71. East wind around 6 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 80. East wind 9 to 14 mph. Chance of precipitation is 40%.

    High: 80 °F

    Scattered
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. East northeast wind 6 to 8 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. East wind 9 to 14 mph.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers before noon. Sunny, with a high near 81. East wind 6 to 11 mph. Chance of precipitation is 10%.
Tonight
Isolated showers between midnight and 3am. Mostly clear, with a low around 70. East northeast wind 3 to 6 mph. Chance of precipitation is 10%.
Tuesday
Isolated showers between 9am and noon. Sunny, with a high near 81. East wind 6 to 13 mph. Chance of precipitation is 10%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 71. East northeast wind around 6 mph. Chance of precipitation is 10%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 79. Southeast wind 8 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 71. East wind around 6 mph. Chance of precipitation is 30%.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 80. East wind 9 to 14 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 71. East northeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 81. East wind 9 to 14 mph.
Friday Night
Scattered showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Saturday
Scattered showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE G. L. Garcia PR
 18.1°N 66.09°W (Elev. 2096 ft)
Last Update:
3:52 am AST Aug 17, 2026
Forecast Valid:
6am AST Aug 17, 2026-6pm AST Aug 23, 2026
 
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