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

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

54°F

12°C

Humidity 76%
Wind Speed S 4 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Mar 10:35 PM PDT
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 47. Light west southwest wind.

    Low: 47 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 78. Light west northwest wind.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 47. Light west southwest wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 78. Light west northwest wind.
Saturday Night
Partly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:25 pm PDT Mar 12, 2026
Forecast Valid:
10pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

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