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

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.

Partly Cloudy

49°F

9°C

Humidity 96%
Wind Speed NE 3 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 28 Jan 06:54 AM PST
Extended Forecast for

Yountville CA

  • Today

    Today: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 60. Light north wind.

    High: 60 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy dense fog. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 60. Light north wind.
Tonight
Patchy dense fog. Otherwise, partly cloudy, with a low around 40. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Friday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 64. Calm wind.
Friday Night
Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 43.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64.
Saturday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44.
Sunday
A slight chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62.
Sunday Night
A slight chance of rain before 10pm. Patchy fog. Otherwise, partly cloudy, with a low around 42.
Monday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.4°N 122.34°W (Elev. 184 ft)
Last Update:
4:54 am PST Jan 28, 2026
Forecast Valid:
7am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation