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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 E 6 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 22 Jun 4:56 am AST
Extended Forecast for

4 Miles SSE G. L. Garcia PR

Heat Advisory June 22, 10:00am until June 22, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers between noon and 3pm. Widespread haze. Sunny, with a high near 79. East wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    High: 79 °F

    Haze then
    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after 3am. Widespread haze before 3am. Partly cloudy, with a low around 70. East northeast wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 79. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 79 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 70. East northeast wind around 7 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 79. East wind 9 to 14 mph. Chance of precipitation is 40%.

    High: 79 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly after midnight. Widespread haze before midnight. Partly cloudy, with a low around 70. East northeast wind around 8 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 79. East wind 11 to 14 mph. Chance of precipitation is 30%.

    High: 79 °F

    Scattered
    Showers then
    Haze

  • Thursday Night

    Thursday Night: Widespread haze. Mostly clear, with a low around 71. East northeast wind around 8 mph.

    Low: 71 °F

    Haze

  • Friday

    Friday: Mostly sunny, with a high near 79. East wind 11 to 14 mph.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers between noon and 3pm. Widespread haze. Sunny, with a high near 79. East wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Tonight
Scattered showers, mainly after 3am. Widespread haze before 3am. Partly cloudy, with a low around 70. East northeast wind 6 to 8 mph. Chance of precipitation is 40%.
Tuesday
Isolated showers. Mostly sunny, with a high near 79. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 70. East northeast wind around 7 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 79. East wind 9 to 14 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers, mainly after midnight. Widespread haze before midnight. Partly cloudy, with a low around 70. East northeast wind around 8 mph. Chance of precipitation is 40%.
Thursday
Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 79. East wind 11 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Widespread haze. Mostly clear, with a low around 71. East northeast wind around 8 mph.
Friday
Mostly sunny, with a high near 79. East wind 11 to 14 mph.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Scattered showers. Mostly sunny, with a high near 79. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE G. L. Garcia PR
 18.08°N 66.08°W (Elev. 2264 ft)
Last Update:
3:12 am AST Jun 22, 2026
Forecast Valid:
5am AST Jun 22, 2026-6pm AST Jun 28, 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