Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

55°F

13°C

Humidity 89%
Wind Speed W 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 08 Jul 12:54 AM PDT
Extended Forecast for

Sonoma CA

Coastal Flood Advisory July 9, 04:00pm until July 16, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory
  • Overnight

    Overnight: Patchy fog.  Otherwise, partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 83 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 51. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 53. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Friday Night

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

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 50. Calm wind.
Wednesday
Areas of fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. West southwest wind around 6 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 53. Southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
11:26 pm PDT Jul 7, 2026
1am PDT Jul 8, 2026-6pm PDT Jul 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

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