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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

88°F

31°C

Humidity 66%
Wind Speed NE 20 G 30 mph
Barometer 30.03 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index98°F (37°C)
Last update 3 Jul 2:56 pm AST
Extended Forecast for

Toa Baja PR

Heat Advisory July 3, 04:06pm until July 3, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 3, 04:06pm until July 3, 05:00pm

    NOW until 5:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers before 3am. Widespread haze. Partly cloudy, with a low around 76. East southeast wind 7 to 11 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    Showers

  • Independence Day

    Independence Day: Isolated showers. Widespread haze. Mostly sunny, with a high near 91. Heat index values as high as 107. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 91 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers after 9pm. Widespread haze. Mostly clear, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 10%.

    Low: 76 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Widespread haze. Mostly sunny, with a high near 91. East wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 10%.

    High: 91 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Widespread haze. Clear, with a low around 77. East wind 9 to 11 mph.

    Low: 77 °F

    Haze

  • Monday

    Monday: Widespread haze. Mostly sunny, with a high near 90. East wind 11 to 18 mph, with gusts as high as 23 mph.

    High: 90 °F

    Haze

  • Monday Night

    Monday Night: Widespread haze. Partly cloudy, with a low around 77. East wind 8 to 10 mph.

    Low: 77 °F

    Haze

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 91. Heat index values as high as 105. East wind around 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tonight
Isolated showers before 3am. Widespread haze. Partly cloudy, with a low around 76. East southeast wind 7 to 11 mph. Chance of precipitation is 20%.
Independence Day
Isolated showers. Widespread haze. Mostly sunny, with a high near 91. Heat index values as high as 107. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers after 9pm. Widespread haze. Mostly clear, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 10%.
Sunday
Isolated showers. Widespread haze. Mostly sunny, with a high near 91. East wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 10%.
Sunday Night
Widespread haze. Clear, with a low around 77. East wind 9 to 11 mph.
Monday
Widespread haze. Mostly sunny, with a high near 90. East wind 11 to 18 mph, with gusts as high as 23 mph.
Monday Night
Widespread haze. Partly cloudy, with a low around 77. East wind 8 to 10 mph.
Tuesday
Widespread haze before noon. Mostly sunny, with a high near 90. East wind 13 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 78.
Friday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Toa Baja PR
 18.44°N 66.28°W (Elev. 56 ft)
Last Update:
3:39 pm AST Jul 3, 2026
Forecast Valid:
4pm AST Jul 3, 2026-6pm AST Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation