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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 84%
Wind Speed SE 3 mph
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 28 Jul 1:56 am AST
Extended Forecast for

Luis M. Cintron PR

Heat Advisory July 28, 10:00am until July 28, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 80. East wind around 9 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms before 9am, then isolated showers. Mostly sunny, with a high near 88. East southeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 81. East wind around 14 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before 9am. Mostly sunny, with a high near 88. East southeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 82. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Widespread haze. Sunny, with a high near 88. East wind 16 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly after midnight. Widespread haze before midnight. Partly cloudy, with a low around 81. East northeast wind around 16 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Haze then
    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 87. East wind around 16 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 81. East wind around 13 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 80. East wind around 9 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers and thunderstorms before 9am, then isolated showers. Mostly sunny, with a high near 88. East southeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 81. East wind around 14 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly before 9am. Mostly sunny, with a high near 88. East southeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 82. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday
Isolated showers. Widespread haze. Sunny, with a high near 88. East wind 16 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.
Thursday Night
Scattered showers, mainly after midnight. Widespread haze before midnight. Partly cloudy, with a low around 81. East northeast wind around 16 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 87. East wind around 16 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 81. East wind around 13 mph. Chance of precipitation is 40%.
Saturday
Scattered showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 81.
Sunday
Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 81. Chance of precipitation is 40%.
Monday
Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Luis M. Cintron PR
 18.3°N 65.64°W (Elev. 30 ft)
Last Update:
2:19 am AST Jul 28, 2026
Forecast Valid:
2am AST Jul 28, 2026-6pm AST Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation