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Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

haze

38°F

3°C

Humidity 100%
Wind Speed NNE 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Jan 06:54 AM PST
Extended Forecast for

Napa CA

  • Today

    Today: Mostly sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind.

    High: 66 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • M.L.King Day

    M.L.King Day: Patchy fog before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 42. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind.
Sunday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
M.L.King Day
Patchy fog before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 41.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 63.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 41.
Wednesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 62.
Wednesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 42.
Thursday
Areas of fog. Otherwise, partly sunny, with a high near 60.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Friday
Areas of fog. Otherwise, mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:13 am PST Jan 17, 2026
Forecast Valid:
7am PST Jan 17, 2026-6pm PST Jan 23, 2026
 
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Additional Resources

Radar & Satellite Image

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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