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

Upcoming Pattern Shift to Bring Heavy Mountain Snow to the West

Heavy, accumulating snow is likely today in the Cascades and Sierra Nevada. Another Bering Sea storm will bring strong winds and heavy precipitation to the Aleutians and southwest Alaska into Thursday. Light snow is expected from the Ohio Valley into the Northeast. A widespread and significant winter storm is expected to move into the Central Rockies and High Plains Thursday into Friday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

mist

48°F

9°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 08 Dec 01:50 AM PST
Extended Forecast for

Vallejo CA

  • Overnight

    Overnight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 47. Light west southwest wind.

    Patchy Dense
    Fog

    Low: 47 °F

  • Wednesday

    Wednesday: Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 54. West southwest wind 3 to 8 mph.

    Patchy Dense
    Fog then
    Mostly Cloudy

    High: 54 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 45. West southwest wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Cloudy then
    Chance
    Showers

    Low: 45 °F

  • Thursday

    Thursday: Sunny, with a high near 57. Northwest wind 6 to 8 mph.

    Sunny

    High: 57 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 38. North northwest wind around 6 mph.

    Mostly Clear

    Low: 38 °F

  • Friday

    Friday: Sunny, with a high near 54.

    Sunny

    High: 54 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 37.

    Mostly Clear

    Low: 37 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    Mostly Sunny

    High: 52 °F

  • Saturday
    Night

    Saturday Night: A chance of showers after 10pm. Mostly cloudy, with a low around 42.

    Chance
    Showers

    Low: 42 °F

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 47. Light west southwest wind.
Wednesday
Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 54. West southwest wind 3 to 8 mph.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 45. West southwest wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 57. Northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 38. North northwest wind around 6 mph.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 37.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 42.
Sunday
A chance of showers. Mostly cloudy, with a high near 52.
Sunday Night
Showers likely. Cloudy, with a low around 47.
Monday
Showers. Cloudy, with a high near 52.
Monday Night
Showers. Mostly cloudy, with a low around 43.
Tuesday
Showers likely. Partly sunny, with a high near 51.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Vallejo CA
 38.16°N 122.25°W (Elev. 26 ft)
Last Update:
2:10 am PST Dec 8, 2021
Forecast Valid:
2am PST Dec 8, 2021-6pm PST Dec 14, 2021
 
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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