National Weather Service Forecast for: Junction City CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 am PDT Sep 13, 2026
 
Overnight

Overnight: Mostly clear, with a low around 45. West northwest wind around 9 mph, with gusts as high as 21 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 75. Light northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 46. West wind 8 to 13 mph becoming light north northwest  in the evening. Winds could gust as high as 23 mph.
Clear
Monday

Monday: Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Clear, with a low around 51. West wind 5 to 7 mph becoming calm  in the evening.
Clear
Tuesday

Tuesday: Sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 52.
Clear
Wednesday

Wednesday: Sunny, with a high near 88.
Sunny
Wednesday
Night
Wednesday Night: Clear, with a low around 54.
Clear
Lo 45 °F Hi 75 °F Lo 46 °F Hi 86 °F Lo 51 °F Hi 90 °F Lo 52 °F Hi 88 °F Lo 54 °F

 

Overnight
 
Mostly clear, with a low around 45. West northwest wind around 9 mph, with gusts as high as 21 mph.
Sunday
 
Sunny, with a high near 75. Light northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
 
Clear, with a low around 46. West wind 8 to 13 mph becoming light north northwest in the evening. Winds could gust as high as 23 mph.
Monday
 
Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
 
Clear, with a low around 51. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
 
Clear, with a low around 52.
Wednesday
 
Sunny, with a high near 88.
Wednesday Night
 
Clear, with a low around 54.
Thursday
 
Sunny, with a high near 92.
Thursday Night
 
Clear, with a low around 55.
Friday
 
Sunny, with a high near 92.
Friday Night
 
Clear, with a low around 54.
Saturday
 
Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Junction City CA.