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

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.

Fair

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Jul 3:56 am AST
Extended Forecast for

Carolina PR

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 77. East southeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 90. East southeast wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers after midnight. Mostly clear, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Mostly Clear
    then Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 91 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 90. East wind 11 to 15 mph, with gusts as high as 20 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 10 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 91. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers then
    Haze

  • Thursday Night

    Thursday Night: Widespread haze. Clear, with a low around 79. East wind 8 to 10 mph.

    Low: 79 °F

    Haze

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 77. East southeast wind around 7 mph. Chance of precipitation is 20%.
Monday
Scattered showers. Partly sunny, with a high near 90. East southeast wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Isolated showers after midnight. Mostly clear, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind 10 to 15 mph. Chance of precipitation is 50%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 20%.
Wednesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 90. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 78. East southeast wind around 10 mph.
Thursday
Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 91. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
Widespread haze. Clear, with a low around 79. East wind 8 to 10 mph.
Friday
Widespread haze. Mostly sunny, with a high near 91.
Friday Night
Widespread haze. Clear, with a low around 77.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Clear, with a low around 78.
Sunday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carolina PR
 18.41°N 65.98°W (Elev. 13 ft)
Last Update:
3:36 am AST Jul 14, 2025
Forecast Valid:
4am AST Jul 14, 2025-6pm AST Jul 20, 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