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Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

48°F

9°C

Humidity 100%
Wind Speed SE 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 09 Mar 02:35 AM PDT
Extended Forecast for

5 Miles SSE Sonoma CA

  • Overnight

    Overnight: Widespread fog, mainly after 3am. Otherwise, mostly clear, with a steady temperature around 50. Calm wind.

    Low: 50 °F

    Fog

  • Monday

    Monday: Widespread fog, mainly before 8am. Otherwise, sunny, with a high near 72. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 72 °F

    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. West wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Widespread fog, mainly after 3am. Otherwise, mostly clear, with a steady temperature around 50. Calm wind.
Monday
Widespread fog, mainly before 8am. Otherwise, sunny, with a high near 72. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 43. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 74.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 47.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 47.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 76.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 48.
Saturday
Areas of fog. Otherwise, sunny, with a high near 77.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 51.
Sunday
Areas of fog. Otherwise, mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Sonoma CA
 38.22°N 122.44°W (Elev. 3 ft)
Last Update:
2:32 am PDT Mar 9, 2026
Forecast Valid:
2am PDT Mar 9, 2026-6pm PDT Mar 15, 2026
 
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