National Weather Service Forecast for: Junction City CA
Issued by: National Weather Service Eureka, CA
Updated: 8:50 pm PST Nov 1, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 37. Calm wind.
Partly Cloudy

 Monday

Monday: Patchy frost before 10am. Otherwise, increasing clouds, with a high near 65. Southeast wind around 5 mph.
Patchy Frost
then Cloudy
 Monday
Night
Monday Night: Mostly cloudy, with a low around 39. South wind 7 to 11 mph.
Mostly Cloudy

 Tuesday

Tuesday: Rain, mainly before 4pm. High near 53. Southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Tuesday
Night
Tuesday Night: A 20 percent chance of rain before 10pm. Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Slight Chance
Rain then
Areas Fog
 Wednesday

Wednesday: Areas of fog before 1pm. Otherwise, mostly sunny, with a high near 63. Light and variable wind.
Areas Fog

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 37.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 67.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 38.
Partly Cloudy
Lo 37 °F Hi 65 °F Lo 39 °F Hi 53 °F Lo 37 °F Hi 63 °F Lo 37 °F Hi 67 °F Lo 38 °F

 

Tonight
 
 Partly cloudy, with a low around 37. Calm wind.
Monday
 
 Patchy frost before 10am. Otherwise, increasing clouds, with a high near 65. Southeast wind around 5 mph.
Monday Night
 
 Mostly cloudy, with a low around 39. South wind 7 to 11 mph.
Tuesday
 
 Rain, mainly before 4pm. High near 53. Southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 A 20 percent chance of rain before 10pm. Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Wednesday
 
 Areas of fog before 1pm. Otherwise, mostly sunny, with a high near 63. Light and variable wind.
Wednesday Night
 
 Partly cloudy, with a low around 37.
Thursday
 
 Mostly sunny, with a high near 67.
Thursday Night
 
 Partly cloudy, with a low around 38.
Friday
 
 Mostly sunny, with a high near 70.
Friday Night
 
 Mostly clear, with a low around 40.
Saturday
 
 Sunny, with a high near 73.
Saturday Night
 
 Partly cloudy, with a low around 39.
Sunday
 
 Partly sunny, with a high near 69.

 

Forecast from NOAA-NWS for Junction City CA.