National Weather Service Forecast for: 9 Miles NNE Bethel Island CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:51 pm PST Dec 17, 2025
 
Tonight

Tonight: Widespread dense fog, mainly after 5am. Otherwise, cloudy, with a low around 42. Light west wind.
Dense Fog

 Thursday

Thursday: Widespread dense fog, mainly before 7am. Otherwise, mostly cloudy, with a high near 57. South wind 3 to 5 mph.
Dense Fog
then Mostly
Cloudy
 Thursday
Night
Thursday Night: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 49. South wind 3 to 5 mph.
Chance
Showers
 Friday

Friday: Showers, mainly after 10am. High near 57. South wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers

 Friday
Night
Friday Night: Showers. Low around 52. South southeast wind around 8 mph. Chance of precipitation is 90%.
Showers then
Showers
Likely
 Saturday

Saturday: Showers likely. Cloudy, with a high near 56. Chance of precipitation is 60%.
Showers
Likely
 Saturday
Night
Saturday Night: Showers. Low around 54. Chance of precipitation is 80%.
Showers

 Sunday

Sunday: Showers. Cloudy, with a high near 59.
Showers

 Sunday
Night
Sunday Night: Showers. Cloudy, with a low around 54.
Showers
Lo 42 °F Hi 57 °F Lo 49 °F Hi 57 °F Lo 52 °F Hi 56 °F Lo 54 °F Hi 59 °F Lo 54 °F

 

Tonight
 
 Widespread dense fog, mainly after 5am. Otherwise, cloudy, with a low around 42. Light west wind.
Thursday
 
 Widespread dense fog, mainly before 7am. Otherwise, mostly cloudy, with a high near 57. South wind 3 to 5 mph.
Thursday Night
 
 A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 49. South wind 3 to 5 mph.
Friday
 
 Showers, mainly after 10am. High near 57. South wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Showers. Low around 52. South southeast wind around 8 mph. Chance of precipitation is 90%.
Saturday
 
 Showers likely. Cloudy, with a high near 56. Chance of precipitation is 60%.
Saturday Night
 
 Showers. Low around 54. Chance of precipitation is 80%.
Sunday
 
 Showers. Cloudy, with a high near 59.
Sunday Night
 
 Showers. Cloudy, with a low around 54.
Monday
 
 Showers likely. Cloudy, with a high near 56.
Monday Night
 
 Showers likely. Cloudy, with a low around 49.
Tuesday
 
 Showers likely. Cloudy, with a high near 53.
Tuesday Night
 
 Showers. Cloudy, with a low around 49.
Wednesday
 
 Showers. Cloudy, with a high near 52.

 

Forecast from NOAA-NWS for 9 Miles NNE Bethel Island CA.