National Weather Service Forecast for: 9 Miles NNW Bethel Island CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:01 pm PST Nov 1, 2026
 
Tonight

Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 46. West southwest wind 3 to 7 mph.
Clear then
Patchy Fog
 Monday

Monday: Partly sunny, with a high near 66. Light south wind.
Partly Sunny

 Monday
Night
Monday Night: A 30 percent chance of showers, mainly after 4am. Cloudy during the evening, then partly cloudy overnight, with a low around 48. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Chance
Showers
 Tuesday

Tuesday: Showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 62. East wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely
 Tuesday
Night
Tuesday Night: A 30 percent chance of showers before 10pm. Partly cloudy, with a low around 48. Calm wind becoming north northwest 5 to 8 mph after midnight.
Chance
Showers then
Partly Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 68.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 48.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 70.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 48.
Mostly Clear
Lo 46 °F Hi 66 °F Lo 48 °F Hi 62 °F Lo 48 °F Hi 68 °F Lo 48 °F Hi 70 °F Lo 48 °F

 

Tonight
 
 Patchy fog after 5am. Otherwise, mostly clear, with a low around 46. West southwest wind 3 to 7 mph.
Monday
 
 Partly sunny, with a high near 66. Light south wind.
Monday Night
 
 A 30 percent chance of showers, mainly after 4am. Cloudy during the evening, then partly cloudy overnight, with a low around 48. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 62. East wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 A 30 percent chance of showers before 10pm. Partly cloudy, with a low around 48. Calm wind becoming north northwest 5 to 8 mph after midnight.
Wednesday
 
 Mostly sunny, with a high near 68.
Wednesday Night
 
 Partly cloudy, with a low around 48.
Thursday
 
 Mostly sunny, with a high near 70.
Thursday Night
 
 Mostly clear, with a low around 48.
Friday
 
 Sunny, with a high near 71.
Friday Night
 
 Mostly clear, with a low around 48.
Saturday
 
 Sunny, with a high near 71.
Saturday Night
 
 Mostly clear, with a low around 48.
Sunday
 
 Mostly sunny, with a high near 71.

 

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