Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

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 82%
Wind Speed E 9 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 12 Jul 9:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Isolated showers.  Widespread haze. Partly cloudy, with a low around 77. East wind around 8 mph.  Chance of precipitation is 20%.

    Low: 77 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers.  Widespread haze. Mostly sunny, with a high near 89. East wind 9 to 14 mph.  Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Scattered showers, mainly between 9pm and 3am.  Partly cloudy, with a low around 76. East southeast wind around 8 mph.  Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers.  Partly sunny, with a high near 90. East wind 7 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers after midnight.  Partly cloudy, with a low around 77. East wind 9 to 11 mph.  Chance of precipitation is 50%.

    Low: 77 °F

    Mostly Clear
    then
    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before noon.  Partly sunny, with a high near 90. East wind 10 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers.  Partly cloudy, with a low around 78. East wind 10 to 13 mph.  Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after noon.  Mostly cloudy, with a high near 90. East wind 13 to 16 mph.  Chance of precipitation is 70%.

    High: 90 °F

    Scattered
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers.  Mostly cloudy, with a low around 78. East southeast wind around 10 mph.  Chance of precipitation is 50%.

    Low: 78 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Isolated showers. Widespread haze. Partly cloudy, with a low around 77. East wind around 8 mph. Chance of precipitation is 20%.
Sunday
Isolated showers. Widespread haze. Mostly sunny, with a high near 89. East wind 9 to 14 mph. Chance of precipitation is 20%.
Sunday Night
Scattered showers, mainly between 9pm and 3am. Partly cloudy, with a low around 76. East southeast wind around 8 mph. Chance of precipitation is 40%.
Monday
Scattered showers. Partly sunny, with a high near 90. East wind 7 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday Night
Scattered showers after midnight. Partly cloudy, with a low around 77. East wind 9 to 11 mph. Chance of precipitation is 50%.
Tuesday
Showers likely, mainly before noon. Partly sunny, with a high near 90. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 78. East wind 10 to 13 mph. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 90. East wind 13 to 16 mph. Chance of precipitation is 70%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 78. East southeast wind around 10 mph. Chance of precipitation is 50%.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
Clear, with a low around 78.
Friday
Mostly sunny, with a high near 90.
Friday Night
Clear, with a low around 77.
Saturday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.42°N 66.05°W (Elev. 16 ft)
8:02 pm AST Jul 12, 2025
10pm AST Jul 12, 2025-6pm AST Jul 19, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database