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

Napa, Napa County Airport (KAPC)

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

Overcast

56°F

13°C

Humidity 83%
Wind Speed W 11 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 19 Oct 01:54 AM PDT
Extended Forecast for

Napa CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Southwest wind 3 to 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 65. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 65 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 43. West southwest wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, cloudy, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.

    High: 65 °F

    Areas Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 48. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 66. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers before 11am. Areas of fog before 11am. Otherwise, partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers and
    Areas Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Areas Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Southwest wind 3 to 5 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 65. Light southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 43. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Areas of fog before 11am. Otherwise, cloudy, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 48. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of showers. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 66. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of showers. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 47.
Thursday
A chance of showers before 11am. Areas of fog before 11am. Otherwise, partly sunny, with a high near 66.
Thursday Night
Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 44.
Friday
Areas of fog before 10am. Otherwise, sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Sunday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 68.
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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:
1:26 am PDT Oct 19, 2026
Forecast Valid:
2am PDT Oct 19, 2026-6pm PDT Oct 25, 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