Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

70°F

21°C

Humidity 60%
Wind Speed E 9 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 09 Nov 06:35 PM PST
Extended Forecast for

2 Miles NW Vallejo CA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. East northeast wind 9 to 14 mph becoming light.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. East wind 5 to 7 mph becoming calm  in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 74. East northeast wind around 6 mph becoming south in the afternoon.

    High: 74 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Southwest wind 5 to 7 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm.  Cloudy, with a high near 65. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 53. Chance of precipitation is 100%.

    Low: 53 °F

    Rain

  • Thursday

    Thursday: Rain.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. East northeast wind 9 to 14 mph becoming light.
Monday
Mostly sunny, with a high near 79. East wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 56. Light and variable wind.
Veterans Day
Mostly cloudy, with a high near 74. East northeast wind around 6 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 55. Southwest wind 5 to 7 mph.
Wednesday
Rain likely, mainly after 4pm. Cloudy, with a high near 65. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 53. Chance of precipitation is 100%.
Thursday
Rain. Mostly cloudy, with a high near 59.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47.
Friday
A chance of rain. Partly sunny, with a high near 57.
Friday Night
A chance of rain. Partly cloudy, with a low around 46.
Saturday
A slight chance of rain. Mostly sunny, with a high near 61.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Sunday
A chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Vallejo CA
 38.16°N 122.25°W (Elev. 26 ft)
3:04 pm PST Nov 9, 2025
6pm PST Nov 9, 2025-6pm PST Nov 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database