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.

Clear

70°F

21°C

Humidity 63%
Wind Speed SSW 12 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Oct 01:54 PM PDT
Extended Forecast for

4 Miles SSE Sonoma CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. West southwest wind around 11 mph, with gusts as high as 18 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 45. West wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, then becoming cloudy during the afternoon, with a high near 66. West wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 66 °F

    Becoming
    Cloudy

  • Monday Night

    Monday Night: Patchy fog after 1am. Otherwise, cloudy, with a low around 44. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 44 °F

    Cloudy then
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 67 °F

    Slight Chance
    Rain and
    Areas Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 68.

    High: 68 °F

    Areas Fog
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. West southwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 45. West wind 5 to 9 mph, with gusts as high as 18 mph.
Monday
Sunny, then becoming cloudy during the afternoon, with a high near 66. West wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
Patchy fog after 1am. Otherwise, cloudy, with a low around 44. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Tuesday
A 20 percent chance of rain before 11am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
A chance of rain, mainly before 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 47.
Thursday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 68.
Thursday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 45.
Friday
Patchy fog. Otherwise, sunny, with a high near 70.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Saturday
Areas of fog. Otherwise, sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Sonoma CA
 38.25°N 122.42°W (Elev. 20 ft)
Last Update:
1:47 pm PDT Oct 18, 2026
Forecast Valid:
2pm PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation