Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

43°F

6°C

Humidity 93%
Wind Speed NNE 3 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Mar 02:20 AM PDT
Extended Forecast for

5 Miles SSE Sonoma CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. West wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. West wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 45. Calm wind.
Wednesday
Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 45. West wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 47. West wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Sonoma CA
 38.22°N 122.44°W (Elev. 3 ft)
1:26 am PDT Mar 11, 2026
2am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database