National Weather Service Forecast for: Williams CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:01 pm PST Nov 1, 2026
 
Tonight

Tonight: Mostly clear, with a low around 45. Calm wind.
Mostly Clear

 Monday

Monday: Increasing clouds, with a high near 65. Light and variable wind.
Increasing
Clouds

 Monday
Night
Monday Night: Showers likely, mainly after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Showers
Likely and
Patchy Fog
 Tuesday

Tuesday: Showers, mainly before 4pm. Patchy fog before 10am. High near 58. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers and
Patchy Fog

 Tuesday
Night
Tuesday Night: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 46. Calm wind becoming northwest around 5 mph after midnight.
Slight Chance
Showers then
Partly Cloudy
 Wednesday

Wednesday: Sunny, with a high near 68.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 46.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 70.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 47.
Mostly Clear
Lo 45 °F Hi 65 °F Lo 45 °F Hi 58 °F Lo 46 °F Hi 68 °F Lo 46 °F Hi 70 °F Lo 47 °F

 

Tonight
 
 Mostly clear, with a low around 45. Calm wind.
Monday
 
 Increasing clouds, with a high near 65. Light and variable wind.
Monday Night
 
 Showers likely, mainly after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Showers, mainly before 4pm. Patchy fog before 10am. High near 58. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 46. Calm wind becoming northwest around 5 mph after midnight.
Wednesday
 
 Sunny, with a high near 68.
Wednesday Night
 
 Mostly clear, with a low around 46.
Thursday
 
 Sunny, with a high near 70.
Thursday Night
 
 Mostly clear, with a low around 47.
Friday
 
 Sunny, with a high near 72.
Friday Night
 
 Mostly clear, with a low around 48.
Saturday
 
 Sunny, with a high near 71.
Saturday Night
 
 Partly cloudy, with a low around 47.
Sunday
 
 Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Williams CA.