National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Rain

59°F

15°C

Humidity 87%
Wind Speed SSW 6 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Apr 01:20 PM PDT
Extended Forecast for

Sonoma CA

  • This Afternoon

    This Afternoon: Rain likely and possibly a thunderstorm before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 61. South southwest wind 8 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Tonight

    Tonight: Rain. Patchy fog before midnight, then patchy fog after 1am. Low around 48. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 60. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 43. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely
    then Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of rain before 11am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Chance Rain
    and Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 8am. Otherwise, sunny, with a high near 71.

    High: 71 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Rain likely and possibly a thunderstorm before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 61. South southwest wind 8 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain. Patchy fog before midnight, then patchy fog after 1am. Low around 48. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 60. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 43. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain before 11am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 41.
Thursday
Areas of fog before 8am. Otherwise, sunny, with a high near 71.
Thursday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 44.
Friday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 72.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 46.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 68.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.27°N 122.42°W (Elev. 66 ft)
Last Update:
1:26 pm PDT Apr 20, 2026
Forecast Valid:
1pm PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation