Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

43°F

6°C

Humidity 100%
Wind Speed NNE 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Last update 03 Dec 12:54 AM PST
Extended Forecast for

3 Miles N Hercules CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. East wind around 10 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. North northeast wind 7 to 9 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. East wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. East wind around 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 62. North northeast wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 41. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 56. East wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 44. Calm wind.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Hercules CA
 38.05°N 122.25°W (Elev. 56 ft)
12:39 am PST Dec 3, 2025
1am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database