National Weather Service Forecast for: Boonville CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 am PDT May 4, 2026
 
Today

Today: A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 62. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers and
Patchy Fog
 Tonight

Tonight: A 50 percent chance of showers before 2am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 47. Northwest wind around 6 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch possible.
Chance
Showers and
Patchy Fog
 Tuesday

Tuesday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon.
Patchy Fog
then Partly
Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 47. West northwest wind 5 to 7 mph becoming calm in the evening.
Patchy Fog

 Wednesday

Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 48. West northwest wind 5 to 7 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Thursday

Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78.
Patchy Fog
then Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 46.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 76.
Mostly Sunny
Hi 62 °F Lo 47 °F Hi 68 °F Lo 47 °F Hi 76 °F Lo 48 °F Hi 78 °F Lo 46 °F Hi 76 °F

 

Today
 
 A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 62. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A 50 percent chance of showers before 2am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 47. Northwest wind around 6 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
 
 Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 47. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 2am. Otherwise, partly cloudy, with a low around 48. West northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
 
 Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78.
Thursday Night
 
 Partly cloudy, with a low around 46.
Friday
 
 Mostly sunny, with a high near 76.
Friday Night
 
 Mostly clear, with a low around 47.
Saturday
 
 Sunny, with a high near 84.
Saturday Night
 
 Mostly clear, with a low around 51.
Sunday
 
 Sunny, with a high near 91.

 

Forecast from NOAA-NWS for Boonville CA.