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Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

52°F

11°C

Humidity 100%
Wind Speed N 4 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 52°F (11°C)
Visibility 6.00 mi
Last update 28 Jan 05:20 AM PST
Extended Forecast for

Napa Co. Airport CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 59 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy dense fog after 1am. Otherwise, increasing clouds, with a low around 39. South wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Thursday

    Thursday: Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming east around 6 mph in the afternoon.

    High: 61 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 61. Calm wind becoming east northeast 5 to 9 mph in the morning.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: A slight chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming northeast 5 to 8 mph in the morning.
Tonight
Patchy dense fog after 1am. Otherwise, increasing clouds, with a low around 39. South wind around 5 mph becoming calm in the evening.
Thursday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Friday
Partly sunny, with a high near 61. Calm wind becoming east northeast 5 to 9 mph in the morning.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 43.
Sunday
A slight chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
Last Update:
4:54 am PST Jan 28, 2026
Forecast Valid:
5am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
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Additional Resources

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Chance of Precipitation