National Weather Service Forecast for: Boonville CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT Jun 29, 2026
 
Overnight

Overnight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 49. Light north northwest wind.
Patchy Fog

 Tuesday

Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Patchy Fog
then Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 48. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunny

 Wednesday
Night
Wednesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 48. West northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Mostly Clear
then Patchy
Fog
 Thursday

Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Patchy Fog
then Sunny
 Thursday
Night
Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 49.
Clear then
Patchy Fog
 Friday

Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 84.
Patchy Fog
then Sunny
 Friday
Night
Friday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 52.
Clear then
Patchy Fog
Lo 49 °F Hi 83 °F Lo 48 °F Hi 81 °F Lo 48 °F Hi 80 °F Lo 49 °F Hi 84 °F Lo 52 °F

 

Overnight
 
 Patchy fog after 2am. Otherwise, partly cloudy, with a low around 49. Light north northwest wind.
Tuesday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
 Mostly clear, with a low around 48. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Wednesday
 
 Sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 2am. Otherwise, mostly clear, with a low around 48. West northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Thursday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
 
 Patchy fog after 5am. Otherwise, mostly clear, with a low around 49.
Friday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 84.
Friday Night
 
 Patchy fog after 5am. Otherwise, mostly clear, with a low around 52.
Independence Day
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 89.
Saturday Night
 
 Patchy fog. Otherwise, mostly clear, with a low around 53.
Sunday
 
 Patchy fog. Otherwise, sunny, with a high near 85.
Sunday Night
 
 Mostly clear, with a low around 51.
Monday
 
 Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Boonville CA.