National Weather Service Forecast for: Jamestown CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 pm PST Feb 2, 2026
 
Tonight

Tonight: Mostly clear, with a low around 44. Light east northeast wind.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 66. Light and variable wind.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 45. Light east northeast wind.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 67. Light and variable wind.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 46. East northeast wind 3 to 5 mph.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 70.
Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 50.
Mostly Cloudy
 Friday

Friday: Partly sunny, with a high near 64.
Partly Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 46.
Partly Cloudy
Lo 44 °F Hi 66 °F Lo 45 °F Hi 67 °F Lo 46 °F Hi 70 °F Lo 50 °F Hi 64 °F Lo 46 °F

 

Tonight
 
 Mostly clear, with a low around 44. Light east northeast wind.
Tuesday
 
 Sunny, with a high near 66. Light and variable wind.
Tuesday Night
 
 Mostly clear, with a low around 45. Light east northeast wind.
Wednesday
 
 Sunny, with a high near 67. Light and variable wind.
Wednesday Night
 
 Mostly clear, with a low around 46. East northeast wind 3 to 5 mph.
Thursday
 
 Sunny, with a high near 70.
Thursday Night
 
 Mostly cloudy, with a low around 50.
Friday
 
 Partly sunny, with a high near 64.
Friday Night
 
 Partly cloudy, with a low around 46.
Saturday
 
 Mostly sunny, with a high near 64.
Saturday Night
 
 Partly cloudy, with a low around 46.
Sunday
 
 A slight chance of rain. Partly sunny, with a high near 62.
Sunday Night
 
 A chance of rain. Mostly cloudy, with a low around 43.
Monday
 
 A chance of rain. Partly sunny, with a high near 55.

 

Forecast from NOAA-NWS for Jamestown CA.