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

Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 42. West wind around 6 mph.
Mostly Cloudy
then Patchy
Fog
 Thursday

Thursday: Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 57. South wind 3 to 5 mph.
Areas Fog
then Partly
Sunny
 Thursday
Night
Thursday Night: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 49. South wind around 6 mph.
Chance
Showers
 Friday

Friday: Showers, mainly after 10am. High near 57. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers

 Friday
Night
Friday Night: Showers, mainly before 4am. Low around 52. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Showers then
Showers
Likely
 Saturday

Saturday: Showers likely, mainly after 10am. 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 58.
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 58 °F Lo 54 °F

 

Tonight
 
 Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 42. West wind around 6 mph.
Thursday
 
 Areas of fog before 10am. 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 around 6 mph.
Friday
 
 Showers, mainly after 10am. High near 57. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Showers, mainly before 4am. Low around 52. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Saturday
 
 Showers likely, mainly after 10am. 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 58.
Sunday Night
 
 Showers. Cloudy, with a low around 54.
Monday
 
 Showers likely. Cloudy, with a high near 55.
Monday Night
 
 Showers likely. Cloudy, with a low around 49.
Tuesday
 
 Showers likely. Cloudy, with a high near 52.
Tuesday Night
 
 Showers. Cloudy, with a low around 49.
Wednesday
 
 Showers. Cloudy, with a high near 51.

 

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