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.

Partly Cloudy

82°F

28°C

Humidity 74%
Wind Speed E 15 G 25 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Jul 6:56 pm AST
Extended Forecast for

Loiza PR

  • Tonight

    Tonight: Showers likely, mainly after 3am.  Mostly cloudy, with a low around 78. East northeast wind 10 to 13 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 78 °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 87. East wind 9 to 14 mph.  Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 87 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms after 9pm.  Mostly cloudy, with a low around 78. East southeast wind around 10 mph.  Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 87. East wind 11 to 15 mph.  Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers, mainly after midnight.  Mostly cloudy, with a low around 79. East wind around 11 mph.  Chance of precipitation is 50%.

    Low: 79 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Monday

    Monday: Scattered showers.  Partly sunny, with a high near 86. East wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers.  Partly cloudy, with a low around 79. East wind 9 to 11 mph.  Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 88. East wind 15 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. East wind around 14 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly after 3am. Mostly cloudy, with a low around 78. East northeast wind 10 to 13 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 87. East wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms after 9pm. Mostly cloudy, with a low around 78. East southeast wind around 10 mph. Chance of precipitation is 60%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 87. East wind 11 to 15 mph. Chance of precipitation is 50%.
Sunday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 79. East wind around 11 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Partly sunny, with a high near 86. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers. Partly cloudy, with a low around 79. East wind 9 to 11 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 88. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 78. East wind around 14 mph.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Thursday
Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 40%.
Friday
Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Loiza PR
 18.44°N 65.89°W (Elev. 3 ft)
3:47 pm AST Jul 18, 2025
7pm AST Jul 18, 2025-6pm AST Jul 25, 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