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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Port Chicago (PCOC1)

Lat: 38.056°NLon: 122.0395°WElev: 0.0ft.

NA

76°F

24°C

Humidity NA
Wind Speed W 15 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

3 Miles WSW Benicia CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind around 10 mph.

    High: 78 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 61. Southwest wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 5 to 8 mph.

    High: 78 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. West southwest wind 6 to 9 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West southwest wind 6 to 9 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind around 10 mph.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 61. Southwest wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 60. West southwest wind 6 to 9 mph.
Saturday
Sunny, with a high near 81. West southwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 61.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Benicia CA
 38.05°N 122.22°W (Elev. 62 ft)
Last Update:
1:26 pm PDT Sep 18, 2025
Forecast Valid:
2pm PDT Sep 18, 2025-6pm PDT Sep 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation