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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Feb 02:00 AM PST
Extended Forecast for

Napa CA

  • Overnight

    Overnight: A 30 percent chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, sunny, with a high near 63. Light north wind.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Friday

    Friday: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Fog

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm. Areas of fog before noon. Otherwise, cloudy, with a high near 58.

    High: 58 °F

    Areas Fog
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Sunday

    Sunday: Rain. Cloudy, with a high near 56.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Overnight
A 30 percent chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 45. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 63. Light north wind.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 40. Calm wind.
Friday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Friday Night
Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Saturday
A 10 percent chance of rain after 4pm. Areas of fog before noon. Otherwise, cloudy, with a high near 58.
Saturday Night
Rain likely, mainly after 4am. Cloudy, with a low around 46. Chance of precipitation is 60%.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Rain. Cloudy, with a low around 45.
Washington's Birthday
Rain. Cloudy, with a high near 55.
Monday Night
Rain. Mostly cloudy, with a low around 41.
Tuesday
Rain. Mostly cloudy, with a high near 53.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 54.
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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:
11:37 pm PST Feb 11, 2026
Forecast Valid:
2am PST Feb 12, 2026-6pm PST Feb 18, 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