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Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

93°F

34°C

Humidity 26%
Wind Speed SW 5 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 03 Oct 05:35 PM PDT
Extended Forecast for

Sonoma CA

Heat Advisory October 3, 05:51pm until October 7, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 3, 05:51pm until October 7, 10:00pm

    NOW until 10:00pm Wed

    Heat Advisory

  • Tonight

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy and hot, with a high near 99. Light and variable wind.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 61. Calm wind.

    Low: 61 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny and hot, with a high near 99. Light and variable wind.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Calm wind.
Sunday
Mostly cloudy and hot, with a high near 99. Light and variable wind.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 61. Calm wind.
Monday
Sunny and hot, with a high near 99. Light and variable wind.
Monday Night
Clear, with a low around 62. Light and variable wind.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 84.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, mostly clear, with a low around 51.
Saturday
Areas of fog. Otherwise, sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.31°N 122.46°W (Elev. 571 ft)
Last Update:
1:30 pm PDT Oct 3, 2026
Forecast Valid:
5pm PDT Oct 3, 2026-6pm PDT Oct 10, 2026
 
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Additional Resources

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Chance of Precipitation