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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

82°F

28°C

Humidity 79%
Wind Speed E 6 mph
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Aug 1:56 am AST
Extended Forecast for

3 Miles WNW Luis Muñoz Marín International Airport PR

Heat Advisory August 4, 10:00am until August 4, 04:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind around 8 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers before noon, then isolated showers after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 105. East northeast wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 79. East wind 8 to 10 mph. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 92. Heat index values as high as 106. East wind 8 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 92 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 79. East southeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers after noon. Mostly sunny, with a high near 90. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 90 °F

    Sunny then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 79. East wind 8 to 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. East northeast wind 9 to 17 mph, with gusts as high as 22 mph.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Scattered showers. Partly cloudy, with a low around 80. East wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind around 8 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers before noon, then isolated showers after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 105. East northeast wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 79. East wind 8 to 10 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Partly sunny, with a high near 92. Heat index values as high as 106. East wind 8 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 79. East southeast wind around 10 mph. Chance of precipitation is 20%.
Thursday
Scattered showers after noon. Mostly sunny, with a high near 90. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 79. East wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 90. East northeast wind 9 to 17 mph, with gusts as high as 22 mph.
Friday Night
Scattered showers. Partly cloudy, with a low around 80. East wind 9 to 11 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 81.
Sunday
Scattered showers. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Sunday Night
Clear, with a low around 80.
Monday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

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:
2:13 am AST Aug 4, 2026
Forecast Valid:
2am AST Aug 4, 2026-6pm AST Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation