National Weather Service Forecast for: Hamilton City CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 pm PST Feb 1, 2026
 
Overnight

Overnight: Mostly clear, with a steady temperature around 46. North northwest wind around 6 mph.
Mostly Clear
 Monday

Monday: Mostly sunny, with a high near 66. North northwest wind around 7 mph.
Mostly Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 38. Calm wind.
Partly Cloudy
 Tuesday

Tuesday: Sunny, with a high near 66. North northwest wind 3 to 6 mph.
Sunny
 Tuesday
Night
Tuesday Night: Patchy fog between 11pm and 3am. Otherwise, mostly clear, with a low around 41. Calm wind.
Patchy Fog
 Wednesday

Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 67.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog before 9pm, then patchy fog after 11pm. Otherwise, mostly clear, with a low around 42.
Patchy Fog
 Thursday

Thursday: Sunny, with a high near 65.
Sunny
 Thursday
Night
Thursday Night: Patchy fog before midnight, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 43.
Patchy Fog
Lo 46 °F Hi 66 °F Lo 38 °F Hi 66 °F Lo 41 °F Hi 67 °F Lo 42 °F Hi 65 °F Lo 43 °F

 

Overnight
 
 Mostly clear, with a steady temperature around 46. North northwest wind around 6 mph.
Monday
 
 Mostly sunny, with a high near 66. North northwest wind around 7 mph.
Monday Night
 
 Partly cloudy, with a low around 38. Calm wind.
Tuesday
 
 Sunny, with a high near 66. North northwest wind 3 to 6 mph.
Tuesday Night
 
 Patchy fog between 11pm and 3am. Otherwise, mostly clear, with a low around 41. Calm wind.
Wednesday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 67.
Wednesday Night
 
 Patchy fog before 9pm, then patchy fog after 11pm. Otherwise, mostly clear, with a low around 42.
Thursday
 
 Sunny, with a high near 65.
Thursday Night
 
 Patchy fog before midnight, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 43.
Friday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 66.
Friday Night
 
 Widespread fog. Otherwise, partly cloudy, with a low around 43.
Saturday
 
 Widespread fog. Otherwise, mostly sunny, with a high near 65.
Saturday Night
 
 A slight chance of rain. Partly cloudy, with a low around 43.
Sunday
 
 A chance of rain. Partly sunny, with a high near 62.

 

Forecast from NOAA-NWS for Hamilton City CA.