National Weather Service Forecast for: Junction City CA
Issued by: National Weather Service Eureka, CA
Updated: 4:54 pm PST Dec 17, 2025
 
Tonight

Tonight: A 50 percent chance of rain after 7pm. Mostly cloudy, with a low around 41. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
 Thursday

Thursday: Rain likely, mainly after 10am. Cloudy, with a high near 54. Calm wind becoming north northeast 5 to 7 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely
 Thursday
Night
Thursday Night: Rain. Low around 45. South southeast wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Rain
 Friday

Friday: Rain. High near 53. Southwest wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Rain
 Friday
Night
Friday Night: Rain, mainly before 4am. Low around 38. West wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
 Saturday

Saturday: Rain, mainly after 10am. High near 50. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain
 Saturday
Night
Saturday Night: Rain. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Rain
 Sunday

Sunday: Rain. Cloudy, with a high near 51.
Rain
 Sunday
Night
Sunday Night: Rain. Cloudy, with a low around 39.
Rain
Lo 41 °F Hi 54 °F Lo 45 °F Hi 53 °F Lo 38 °F Hi 50 °F Lo 41 °F Hi 51 °F Lo 39 °F

 

Tonight
 
 A 50 percent chance of rain after 7pm. Mostly cloudy, with a low around 41. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 Rain likely, mainly after 10am. Cloudy, with a high near 54. Calm wind becoming north northeast 5 to 7 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Rain. Low around 45. South southeast wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
 
 Rain. High near 53. Southwest wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday Night
 
 Rain, mainly before 4am. Low around 38. West wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Rain, mainly after 10am. High near 50. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
 
 Rain. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
 
 Rain. Cloudy, with a high near 51.
Sunday Night
 
 Rain. Cloudy, with a low around 39.
Monday
 
 Rain. Mostly cloudy, with a high near 49.
Monday Night
 
 Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 34.
Tuesday
 
 Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 47.
Tuesday Night
 
 Rain likely. Mostly cloudy, with a low around 34.
Wednesday
 
 Rain likely. Mostly cloudy, with a high near 47.

 

Forecast from NOAA-NWS for Junction City CA.