National Weather Service Forecast for: Boonville CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 am PDT Jun 22, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 51. Calm wind.
Partly Cloudy
Monday

Monday: Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 53. Northwest wind 5 to 8 mph becoming calm  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54. West northwest wind around 6 mph becoming calm  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 52.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 82.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 49.
Partly Cloudy
Lo 51 °F Hi 89 °F Lo 53 °F Hi 89 °F Lo 54 °F Hi 89 °F Lo 52 °F Hi 82 °F Lo 49 °F

 

Overnight
 
Partly cloudy, with a low around 51. Calm wind.
Monday
 
Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 53. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 54. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 52.
Thursday
 
Sunny, with a high near 82.
Thursday Night
 
Partly cloudy, with a low around 49.
Friday
 
Mostly sunny, with a high near 75.
Friday Night
 
Partly cloudy, with a low around 51.
Saturday
 
Mostly sunny, with a high near 75.
Saturday Night
 
Mostly clear, with a low around 48.
Sunday
 
Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Boonville CA.