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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. 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 83%
Wind Speed SW 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Apr 01:54 PM PDT
Extended Forecast for

Sonoma CA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 64. South southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain and thunderstorms likely before 10pm, then a chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 49. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Rain Likely
    then Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 60. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Rain Likely
    then Showers

  • Saturday Night

    Saturday Night: Rain and possibly a thunderstorm before 11pm, then showers and possibly a thunderstorm between 11pm and 5am, then rain after 5am. Low around 44. South wind 5 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: Rain before 8am, then showers and possibly a thunderstorm after 8am. High near 58. South southwest wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 11pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 41. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Areas Fog
    then Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 64. South southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and thunderstorms likely before 10pm, then a chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 49. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 60. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain and possibly a thunderstorm before 11pm, then showers and possibly a thunderstorm between 11pm and 5am, then rain after 5am. Low around 44. South wind 5 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Rain before 8am, then showers and possibly a thunderstorm after 8am. High near 58. South southwest wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of rain before 11pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 41. New precipitation amounts of less than a tenth of an inch possible.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 40.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 68.
Tuesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 40.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 69.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Thursday
Patchy fog. Otherwise, sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
Last Update:
1:26 pm PDT Apr 10, 2026
Forecast Valid:
2pm PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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