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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

60°F

16°C

Humidity 74%
Wind Speed WSW 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Nov 11:54 AM PST
Extended Forecast for

Napa CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a temperature falling to around 59 by 5pm. South wind around 6 mph.

    High: 63 °F⇓

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog between 10pm and 2am. Otherwise, cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Sunday

    Sunday: Rain. High near 61. South southeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before midnight. Patchy fog. Low around 42. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Patchy frost before 8am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Rain after 10pm. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. Cloudy, with a high near 56.

    High: 56 °F

    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a temperature falling to around 59 by 5pm. South wind around 6 mph.
Tonight
Patchy fog between 10pm and 2am. Otherwise, cloudy, with a low around 45. Calm wind.
Sunday
Rain. High near 61. South southeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before midnight. Patchy fog. Low around 42. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Patchy fog after 1am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.
Tuesday
Patchy fog before 10am. Patchy frost before 8am. Otherwise, sunny, with a high near 60.
Tuesday Night
Rain after 10pm. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 42.
Wednesday
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. Cloudy, with a high near 56.
Wednesday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 40.
Thursday
Rain. Patchy fog. Otherwise, mostly cloudy, with a high near 56.
Thursday Night
A chance of rain. Patchy fog. Patchy frost. Otherwise, mostly cloudy, with a low around 38.
Friday
Patchy fog. Patchy frost. 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:
10:26 am PST Nov 14, 2026
Forecast Valid:
12pm PST Nov 14, 2026-6pm PST Nov 20, 2026
 
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Additional Resources

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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