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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Overcast

50°F

10°C

Humidity 93%
Wind Speed S 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 48°F (9°C)
Visibility 8.00 mi
Last update 23 Nov 11:35 AM PST
Extended Forecast for

3 Miles N Hercules CA

  • Today

    Today: Mostly sunny, with a high near 60. East wind 5 to 8 mph becoming calm in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 61. East wind 5 to 7 mph becoming calm in the afternoon.

    High: 61 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Calm wind becoming east around 5 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. East wind 6 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. East wind 5 to 8 mph becoming calm in the afternoon.
Tonight
Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 48. Light and variable wind.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 61. East wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 46. Calm wind becoming east around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 61. East wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 45.
Thanksgiving Day
Partly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Hercules CA
 38.05°N 122.25°W (Elev. 56 ft)
Last Update:
11:33 am PST Nov 23, 2025
Forecast Valid:
11am PST Nov 23, 2025-6pm PST Nov 29, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation