National Weather Service Forecast for: Boonville CA
Issued by: National Weather Service Eureka, CA
Updated: 1:10 am PST Dec 6, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 41. Northwest wind around 5 mph.
Mostly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 62. Northwest wind 6 to 9 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 42. Northwest wind 3 to 6 mph.
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 63. Calm wind becoming northwest 5 to 9 mph in the morning.
Mostly Sunny

 Sunday
Night
Sunday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.
Partly Cloudy
then Patchy
Fog
 Monday

Monday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
 Monday
Night
Monday Night: Mostly cloudy, with a low around 45.
Mostly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 66.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 47.
Mostly Cloudy
Lo 41 °F Hi 62 °F Lo 42 °F Hi 63 °F Lo 43 °F Hi 63 °F Lo 45 °F Hi 66 °F Lo 47 °F

 

Overnight
 
 Mostly cloudy, with a low around 41. Northwest wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 62. Northwest wind 6 to 9 mph.
Saturday Night
 
 Partly cloudy, with a low around 42. Northwest wind 3 to 6 mph.
Sunday
 
 Mostly sunny, with a high near 63. Calm wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
 
 Patchy fog after 4am. Otherwise, partly cloudy, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.
Monday
 
 Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
 
 Mostly cloudy, with a low around 45.
Tuesday
 
 Mostly sunny, with a high near 66.
Tuesday Night
 
 Mostly cloudy, with a low around 47.
Wednesday
 
 Mostly sunny, with a high near 67.
Wednesday Night
 
 Partly cloudy, with a low around 46.
Thursday
 
 Sunny, with a high near 68.
Thursday Night
 
 Patchy fog. Otherwise, mostly clear, with a low around 44.
Friday
 
 Patchy fog. Otherwise, sunny, with a high near 71.

 

Forecast from NOAA-NWS for Boonville CA.