National Weather Service Forecast for: Hamilton City CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:20 am PST Dec 5, 2025
 
Overnight

Overnight: Widespread dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Dense Fog
 Friday

Friday: Widespread dense fog, mainly before 7am. Otherwise, partly sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.
Dense Fog
 Friday
Night
Friday Night: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 41. Light and variable wind.
Patchy Fog
 Saturday

Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 58. Light northwest wind.
Decreasing
Clouds
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 43. Calm wind.
Partly Cloudy
 Sunday

Sunday: Partly sunny, with a high near 59.
Partly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 43.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 62.
Mostly Sunny
 Monday
Night
Monday Night: Mostly cloudy, with a low around 44.
Mostly Cloudy
Lo 40 °F Hi 56 °F Lo 41 °F Hi 58 °F Lo 43 °F Hi 59 °F Lo 43 °F Hi 62 °F Lo 44 °F

Dense Fog Advisory
 

Overnight
 
 Widespread dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Friday
 
 Widespread dense fog, mainly before 7am. Otherwise, partly sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
 
 Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 41. Light and variable wind.
Saturday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 58. Light northwest wind.
Saturday Night
 
 Partly cloudy, with a low around 43. Calm wind.
Sunday
 
 Partly sunny, with a high near 59.
Sunday Night
 
 Partly cloudy, with a low around 43.
Monday
 
 Mostly sunny, with a high near 62.
Monday Night
 
 Mostly cloudy, with a low around 44.
Tuesday
 
 Mostly cloudy, with a high near 60.
Tuesday Night
 
 Mostly cloudy, with a low around 46.
Wednesday
 
 Partly sunny, with a high near 64.
Wednesday Night
 
 Partly cloudy, with a low around 46.
Thursday
 
 Mostly sunny, with a high near 64.

 

Forecast from NOAA-NWS for Hamilton City CA.