National Weather Service Forecast for: Boonville CA
Issued by: National Weather Service Eureka, CA
Updated: 10:05 am PDT Oct 6, 2026
 
Today

Today: Sunny and hot, with a high near 99. Northwest wind 6 to 10 mph.
Hot
 Tonight

Tonight: Clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.
Clear
 Wednesday

Wednesday: Sunny and hot, with a high near 99. Calm wind becoming west southwest around 6 mph in the afternoon.
Hot
 Wednesday
Night
Wednesday Night: Clear, with a low around 53. West northwest wind around 6 mph becoming calm in the evening.
Clear
 Thursday

Thursday: Sunny and hot, with a high near 99. Calm wind becoming south southwest around 5 mph in the afternoon.
Hot
 Thursday
Night
Thursday Night: Mostly clear, with a low around 57. West southwest wind around 6 mph becoming calm in the evening.
Mostly Clear
 Friday

Friday: Sunny, with a high near 94.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 49.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 76.
Sunny
Hi 99 °F Lo 56 °F Hi 99 °F Lo 53 °F Hi 99 °F Lo 57 °F Hi 94 °F Lo 49 °F Hi 76 °F

Heat Advisory
 

Today
 
 Sunny and hot, with a high near 99. Northwest wind 6 to 10 mph.
Tonight
 
 Clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
 
 Sunny and hot, with a high near 99. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
 
 Clear, with a low around 53. West northwest wind around 6 mph becoming calm in the evening.
Thursday
 
 Sunny and hot, with a high near 99. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 57. West southwest wind around 6 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 94.
Friday Night
 
 Mostly clear, with a low around 49.
Saturday
 
 Sunny, with a high near 76.
Saturday Night
 
 Mostly clear, with a low around 43.
Sunday
 
 Sunny, with a high near 76.
Sunday Night
 
 Mostly clear, with a low around 43.
Columbus Day
 
 Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Boonville CA.