Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

87°F

31°C

Humidity 63%
Wind Speed NE 14 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index94°F (34°C)
Last update 13 Jul 3:56 pm AST
Extended Forecast for

San Juan PR

  • This Afternoon

    This Afternoon: Isolated showers.  Mostly sunny, with a high near 90. East wind 11 to 13 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly between 9pm and midnight.  Partly cloudy, with a low around 76. East wind around 8 mph.  Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers after 9am.  Increasing clouds, with a high near 90. East wind 7 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers after midnight.  Mostly clear, with a low around 76. East southeast wind around 9 mph.  Chance of precipitation is 10%.

    Low: 76 °F

    Mostly Clear
    then Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers after noon.  Mostly sunny, with a high near 90. East wind 10 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    High: 90 °F

    Sunny then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers.  Partly cloudy, with a low around 78. East wind 9 to 13 mph.  Chance of precipitation is 10%.

    Low: 78 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Showers likely.  Mostly cloudy, with a high near 90. East wind 11 to 14 mph.  Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78. East southeast wind around 9 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 90. East wind 11 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 90 °F

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 90. East wind 11 to 13 mph. Chance of precipitation is 20%.
Tonight
Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 76. East wind around 8 mph. Chance of precipitation is 30%.
Monday
Scattered showers after 9am. Increasing clouds, with a high near 90. East wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Isolated showers after midnight. Mostly clear, with a low around 76. East southeast wind around 9 mph. Chance of precipitation is 10%.
Tuesday
Scattered showers after noon. Mostly sunny, with a high near 90. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 9 to 13 mph. Chance of precipitation is 10%.
Wednesday
Showers likely. Mostly cloudy, with a high near 90. East wind 11 to 14 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 78. East southeast wind around 9 mph.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East wind 11 to 16 mph, with gusts as high as 21 mph. 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
Mostly sunny, with a high near 90.
Saturday Night
Clear, with a low around 77.
Sunday
Sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
3:46 am AST Jul 13, 2025
4pm AST Jul 13, 2025-6pm AST Jul 20, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database