National Weather Service Forecast for: Junction City CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT May 26, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm.  Partly sunny, with a high near 63. Breezy, with a west northwest wind around 18 mph, with gusts as high as 28 mph.
Chance
Showers and
Breezy
Tonight

Tonight: A 20 percent chance of showers before 8pm.  Mostly cloudy, with a low around 44. West wind 5 to 15 mph, with gusts as high as 29 mph.
Slight Chance
Showers then
Mostly Cloudy
Wednesday

Wednesday: Showers likely, with thunderstorms also possible after 5pm.  Mostly cloudy, with a high near 71. Light and variable wind becoming west 5 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm.  Low around 48. Light east wind. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
Thursday

Thursday: Showers and possibly a thunderstorm after 11am.  Patchy fog before 11am. High near 72. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers and
Patchy Fog
Thursday
Night
Thursday Night: Showers and possibly a thunderstorm.  Low around 50. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
Friday

Friday: A slight chance of showers, with thunderstorms also possible after 11am.  Patchy fog before 11am.  Otherwise, partly sunny, with a high near 73. Chance of precipitation is 20%.
Slight Chance
T-storms and
Patchy Fog
Friday
Night
Friday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 48.
Partly Cloudy
then Patchy
Fog
Saturday

Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 75.
Patchy Fog
then Sunny
Hi 63 °F Lo 44 °F Hi 71 °F Lo 48 °F Hi 72 °F Lo 50 °F Hi 73 °F Lo 48 °F Hi 75 °F

 

This Afternoon
 
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 63. Breezy, with a west northwest wind around 18 mph, with gusts as high as 28 mph.
Tonight
 
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 44. West wind 5 to 15 mph, with gusts as high as 29 mph.
Wednesday
 
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 71. Light and variable wind becoming west 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
Showers and possibly a thunderstorm. Low around 48. Light east wind. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
Showers and possibly a thunderstorm after 11am. Patchy fog before 11am. High near 72. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
Showers and possibly a thunderstorm. Low around 50. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
A slight chance of showers, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 73. Chance of precipitation is 20%.
Friday Night
 
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 48.
Saturday
 
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.
Saturday Night
 
Mostly clear, with a low around 46.
Sunday
 
Sunny, with a high near 81.
Sunday Night
 
Clear, with a low around 50.
Monday
 
Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Junction City CA.