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

Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through the day. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

59°F

15°C

Humidity 62%
Wind Speed SSW 5 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 02 Feb 12:00 PM PST
Extended Forecast for

2 Miles SE Napa Co. Airport CA

Coastal Flood Advisory until February 2, 01:00pm
Click here for hazard details and duration
...
  •  
    Coastal Flood Advisory until February 2, 01:00pm

    NOW until 1:00pm Mon

    Coastal Flood Advisory

  • This Afternoon

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 65. East northeast wind 6 to 9 mph.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. North northeast wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. East northeast wind 6 to 9 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 63. South southwest wind 3 to 5 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 42. Light and variable wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 65. East northeast wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 42. North northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 65. East northeast wind 6 to 9 mph.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 43.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 64.
Friday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 46.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 63.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Sunday
A slight chance of rain. Areas of fog. Otherwise, mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Napa Co. Airport CA
 38.18°N 122.26°W (Elev. 56 ft)
Last Update:
12:26 am PST Feb 2, 2026
Forecast Valid:
12pm PST Feb 2, 2026-6pm PST Feb 8, 2026
 
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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