National Weather Service Forecast for: 8 Miles SW Thermalito CA
Issued by: National Weather Service Sacramento, CA
Updated: 2:01 pm PDT Apr 6, 2026
 
Tonight

Tonight: Mostly clear, with a low around 48. Southeast wind around 6 mph becoming calm  after midnight.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 78. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 52. South southeast wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Wednesday

Wednesday: Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: A 20 percent chance of rain before 11pm.  Mostly clear, with a low around 54. Southeast wind around 7 mph.
Slight Chance
Rain then
Mostly Clear
Thursday

Thursday: A slight chance of rain between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 75. Chance of precipitation is 20%.
Slight Chance
Rain then
Slight Chance
T-storms
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 54. Chance of precipitation is 40%.
Chance
Showers

Friday

Friday: A slight chance of rain, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 71.
Chance
Showers

Friday
Night
Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm.  Mostly cloudy, with a low around 52.
Chance
Showers

Lo 48 °F Hi 78 °F Lo 52 °F Hi 80 °F Lo 54 °F Hi 75 °F Lo 54 °F Hi 71 °F Lo 52 °F

 

Tonight
 
Mostly clear, with a low around 48. Southeast wind around 6 mph becoming calm after midnight.
Tuesday
 
Sunny, with a high near 78. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 52. South southeast wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
 
A 20 percent chance of rain before 11pm. Mostly clear, with a low around 54. Southeast wind around 7 mph.
Thursday
 
A slight chance of rain between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.
Thursday Night
 
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Friday
 
A slight chance of rain, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 71.
Friday Night
 
A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 52.
Saturday
 
A chance of rain, mainly after 11am. Partly sunny, with a high near 71.
Saturday Night
 
A chance of rain. Mostly cloudy, with a low around 48.
Sunday
 
A chance of rain. Partly sunny, with a high near 67.
Sunday Night
 
Partly cloudy, with a low around 47.
Monday
 
Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for 8 Miles SW Thermalito CA.