National Weather Service Forecast for: Junction City CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT Apr 6, 2026
 
Tonight

Tonight: Mostly clear, with a low around 47. Northwest wind 5 to 10 mph.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 77. Light northwest wind becoming west 5 to 10 mph in the afternoon.
Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 47. West wind 5 to 7 mph becoming calm in the evening.
Partly Cloudy
 Wednesday

Wednesday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 76. Light and variable wind.
Slight Chance
Showers
 Wednesday
Night
Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Thursday

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers
 Friday

Friday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 67.
Showers
Likely
 Friday
Night
Friday Night: A chance of rain. Mostly cloudy, with a low around 47.
Chance Rain
Lo 47 °F Hi 77 °F Lo 47 °F Hi 76 °F Lo 50 °F Hi 68 °F Lo 48 °F Hi 67 °F Lo 47 °F

 

Tonight
 
 Mostly clear, with a low around 47. Northwest wind 5 to 10 mph.
Tuesday
 
 Sunny, with a high near 77. Light northwest wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
 
 Partly cloudy, with a low around 47. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 A 20 percent chance of showers after 11am. Mostly sunny, with a high near 76. Light and variable wind.
Wednesday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
 
 Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 67.
Friday Night
 
 A chance of rain. Mostly cloudy, with a low around 47.
Saturday
 
 A chance of rain. Partly sunny, with a high near 64.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 39.
Sunday
 
 A chance of rain. Partly sunny, with a high near 60.
Sunday Night
 
 A slight chance of rain. Partly cloudy, with a low around 39.
Monday
 
 Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Junction City CA.