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

Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. 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 79%
Wind Speed E 6 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Jul 11:56 pm AST
Extended Forecast for

Roosevelt Roads PR

  • Overnight

    Overnight: Showers likely, mainly before 3am. Mostly cloudy, with a low around 82. East northeast wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 82 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 83. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 82. East wind around 10 mph. Chance of precipitation is 50%.

    Low: 82 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 83. East wind around 13 mph. Chance of precipitation is 50%.

    High: 83 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 82. East wind around 11 mph. Chance of precipitation is 50%.

    Low: 82 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 83. East wind 11 to 14 mph. Chance of precipitation is 40%.

    High: 83 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 82. East wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 83. East wind around 16 mph. Chance of precipitation is 40%.

    High: 83 °F

    Scattered
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 82. East wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 82 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 3am. Mostly cloudy, with a low around 82. East northeast wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 83. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 82. East wind around 10 mph. Chance of precipitation is 50%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 83. East wind around 13 mph. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 82. East wind around 11 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Partly sunny, with a high near 83. East wind 11 to 14 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 82. East wind 10 to 13 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 83. East wind around 16 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 82. East wind 14 to 16 mph, with gusts as high as 21 mph.
Wednesday
Scattered showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Thursday
Showers likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 82. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Roosevelt Roads PR
 18.23°N 65.62°W (Elev. 0 ft)
Last Update:
9:34 pm AST Jul 18, 2025
Forecast Valid:
12am AST Jul 19, 2025-6pm AST Jul 25, 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