Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Aquadilla, Rafael Hernandez Airport (TJBQ)

Lat: 18.5°NLon: 67.13°WElev: 236ft.

Partly Cloudy

88°F

31°C

Humidity 70%
Wind Speed W 9 mph
Barometer 29.88 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 10 Oct 12:50 pm AST
Extended Forecast for

San Sebastian PR

  • This Afternoon

    This Afternoon: Scattered showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 90. Heat index values as high as 104. West wind around 8 mph.  Chance of precipitation is 50%.

    High: 90 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers after 3am.  Mostly clear, with a low around 74. Calm wind becoming south southeast around 5 mph after midnight.  Chance of precipitation is 10%.

    Low: 74 °F

    Mostly Clear
    then Isolated
    Showers

  • Saturday

    Saturday: Scattered showers, with thunderstorms also possible after 3pm.  Mostly sunny, with a high near 91. Heat index values as high as 107. South southwest wind 5 to 8 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 73. Southeast wind around 6 mph.  Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 92. Southeast wind around 5 mph becoming calm  in the morning.  Chance of precipitation is 70%.

    High: 92 °F

    Isolated
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 72. East southeast wind 3 to 5 mph.  Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely after noon.  Mostly sunny, with a high near 91. East northeast wind 3 to 5 mph.  Chance of precipitation is 60%.

    High: 91 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers.  Mostly cloudy, with a low around 73. East wind around 5 mph.  Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely after noon.  Mostly sunny, with a high near 92. Light northeast wind.  Chance of precipitation is 60%.

    High: 92 °F

    Sunny then
    Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 90. Heat index values as high as 104. West wind around 8 mph. Chance of precipitation is 50%.
Tonight
Isolated showers after 3am. Mostly clear, with a low around 74. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 10%.
Saturday
Scattered showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 107. South southwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 73. Southeast wind around 6 mph. Chance of precipitation is 30%.
Sunday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 92. Southeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. East southeast wind 3 to 5 mph. Chance of precipitation is 60%.
Columbus Day
Showers likely after noon. Mostly sunny, with a high near 91. East northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 73. East wind around 5 mph. Chance of precipitation is 40%.
Tuesday
Showers likely after noon. Mostly sunny, with a high near 92. Light northeast wind. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Sebastian PR
 18.35°N 67°W (Elev. 436 ft)
12:08 pm AST Oct 10, 2025
1pm AST Oct 10, 2025-6pm AST Oct 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database