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Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. 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

83°F

28°C

Humidity 82%
Wind Speed Calm
Barometer 30.02 in (1016.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 18 Oct 8:56 pm AST
Extended Forecast for

3 Miles NW Bayamon PR

High Surf Advisory October 19, 06:00am until October 20, 06:00pm
Click here for hazard details and duration
High Surf Advisory

  • Tonight

    Tonight: Isolated showers before 3am. Partly cloudy, with a low around 74. Light south southeast wind. Chance of precipitation is 10%.

    Low: 74 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers after noon. Mostly sunny, with a high near 84. East wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers after midnight. Partly cloudy, with a low around 75. East southeast wind 3 to 6 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Partly Cloudy
    then Isolated
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 85. East wind 7 to 13 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 75. East southeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 86. East wind 6 to 13 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 75. East southeast wind around 6 mph.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. East southeast wind 6 to 10 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. East southeast wind around 7 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers before 3am. Partly cloudy, with a low around 74. Light south southeast wind. Chance of precipitation is 10%.
Sunday
Isolated showers after noon. Mostly sunny, with a high near 84. East wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers after midnight. Partly cloudy, with a low around 75. East southeast wind 3 to 6 mph. Chance of precipitation is 10%.
Monday
Scattered showers. Partly sunny, with a high near 85. East wind 7 to 13 mph. Chance of precipitation is 40%.
Monday Night
Isolated showers. Partly cloudy, with a low around 75. East southeast wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 86. East wind 6 to 13 mph.
Tuesday Night
Clear, with a low around 75. East southeast wind around 6 mph.
Wednesday
Sunny, with a high near 84. East southeast wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. East southeast wind around 7 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
Scattered showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Friday Night
Showers likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Saturday
Scattered showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Bayamon PR
 18.31°N 66.19°W (Elev. 804 ft)
Last Update:
7:08 pm AST Oct 18, 2025
Forecast Valid:
9pm AST Oct 18, 2025-6pm AST Oct 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