National Weather Service Forecast for: Boonville CA
Issued by: National Weather Service Eureka, CA
Updated: 12:11 am PST Dec 5, 2025
 
Overnight

Overnight: Patchy fog after 4am.  Otherwise, mostly clear early, then becoming mostly cloudy, with a low around 39. Light northwest wind.
Patchy Fog
Friday

Friday: Patchy fog before 7am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the morning.
Patchy Fog
then Sunny
Friday
Night
Friday Night: Mostly cloudy, with a low around 46. Northwest wind 5 to 8 mph.
Mostly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 64. Northwest wind 3 to 8 mph.
Mostly Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 44. North northwest wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Sunday

Sunday: Mostly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Mostly Sunny
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 44.
Mostly Cloudy
Monday

Monday: Mostly sunny, with a high near 66.
Mostly Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 45.
Partly Cloudy
Lo 39 °F Hi 63 °F Lo 46 °F Hi 64 °F Lo 44 °F Hi 64 °F Lo 44 °F Hi 66 °F Lo 45 °F

 

Overnight
 
Patchy fog after 4am. Otherwise, mostly clear early, then becoming mostly cloudy, with a low around 39. Light northwest wind.
Friday
 
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the morning.
Friday Night
 
Mostly cloudy, with a low around 46. Northwest wind 5 to 8 mph.
Saturday
 
Mostly sunny, with a high near 64. Northwest wind 3 to 8 mph.
Saturday Night
 
Partly cloudy, with a low around 44. North northwest wind around 5 mph becoming calm in the evening.
Sunday
 
Mostly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
 
Mostly cloudy, with a low around 44.
Monday
 
Mostly sunny, with a high near 66.
Monday Night
 
Partly cloudy, with a low around 45.
Tuesday
 
Partly sunny, with a high near 66.
Tuesday Night
 
Mostly cloudy, with a low around 48.
Wednesday
 
Mostly sunny, with a high near 67.
Wednesday Night
 
Partly cloudy, with a low around 47.
Thursday
 
Mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Boonville CA.