National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall for the Southwest; Thunderstorms in Florida with Flooding Possible

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. 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

82°F

28°C

Humidity 74%
Wind Speed SE 3 mph
Barometer 29.91 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 9 Oct 7:56 am AST
Extended Forecast for

Fajardo PR

Heat Advisory October 9, 10:00am until October 9, 04:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. Heat index values as high as 108. East southeast wind around 8 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 76. North northeast wind around 6 mph becoming northwest after midnight. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 90. Heat index values as high as 107. West southwest wind 5 to 7 mph becoming south in the morning. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    High: 90 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 90. South southeast wind around 9 mph. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. South southeast wind 6 to 9 mph. Chance of precipitation is 50%.

    Low: 75 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 90 °F

    Scattered
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. East wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East wind around 9 mph. Chance of precipitation is 30%.

    High: 90 °F

    Scattered
    Showers then
    Sunny

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. Heat index values as high as 108. East southeast wind around 8 mph. Chance of precipitation is 40%.
Tonight
Scattered showers. Mostly cloudy, with a low around 76. North northeast wind around 6 mph becoming northwest after midnight. Chance of precipitation is 50%.
Friday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 90. Heat index values as high as 107. West southwest wind 5 to 7 mph becoming south in the morning. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Scattered showers. Mostly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 40%.
Saturday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 90. South southeast wind around 9 mph. Chance of precipitation is 60%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. South southeast wind 6 to 9 mph. Chance of precipitation is 50%.
Sunday
Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 76. East wind around 6 mph.
Columbus Day
Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East wind around 9 mph. Chance of precipitation is 30%.
Monday Night
Clear, with a low around 77.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Clear, with a low around 78.
Wednesday
Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fajardo PR
 18.32°N 65.65°W (Elev. 30 ft)
Last Update:
5:31 am AST Oct 9, 2025
Forecast Valid:
8am AST Oct 9, 2025-6pm AST Oct 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation