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

Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

Overcast

57°F

14°C

Humidity 88%
Wind Speed calm
Barometer 30.31 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Dec 8:05 pm PST
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 45. Light and variable wind.

    Patchy Fog

    Low: 45 °F

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon.

    Patchy Fog
    then Mostly
    Sunny

    High: 62 °F

  • Wednesday
    Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 41. Northeast wind 3 to 5 mph.

    Patchy Fog

    Low: 41 °F

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 59. East wind around 7 mph becoming south southwest in the morning.

    Patchy Fog
    then Partly
    Sunny

    High: 59 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 45. Southeast wind 3 to 5 mph.

    Slight Chance
    Rain

    Low: 45 °F

  • Friday

    Friday: A 20 percent chance of showers before 10am. Partly sunny, with a high near 60.

    Slight Chance
    Showers then
    Partly Sunny

    High: 60 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 36.

    Mostly Cloudy

    Low: 36 °F

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    Partly Sunny

    High: 60 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Mostly Cloudy

    Low: 40 °F

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 45. Light and variable wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 41. Northeast wind 3 to 5 mph.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 59. East wind around 7 mph becoming south southwest in the morning.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 45. Southeast wind 3 to 5 mph.
Friday
A 20 percent chance of showers before 10am. Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
A chance of rain. Partly sunny, with a high near 60.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Mostly cloudy, with a high near 59.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Christmas Day
Mostly sunny, with a high near 60.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Napa CA
 38.31°N 122.29°W (Elev. 30 ft)
Last Update:
1:03 pm PST Dec 18, 2018
Forecast Valid:
8pm PST Dec 18, 2018-6pm PST Dec 25, 2018
 
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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