National Weather Service Forecast for: 13 Miles N Bethel Island CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 am PST Dec 18, 2025
 
Overnight

Overnight: Widespread dense fog, mainly after 2am.  Otherwise, cloudy, with a low around 42. Light west wind.
Dense Fog

Thursday

Thursday: Widespread dense fog, mainly before 8am.  Otherwise, mostly cloudy, with a high near 59. South wind 3 to 5 mph.
Dense Fog
then Partly
Sunny
Thursday
Night
Thursday Night: A 30 percent chance of showers after 4am.  Widespread dense fog, mainly after 3am.  Otherwise, increasing clouds, with a low around 48. South southeast wind 3 to 5 mph.
Patchy Fog
then Chance
Showers and
Dense Fog
Friday

Friday: Showers, mainly after 10am.  High near 56. South southeast 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 55. Chance of precipitation is 70%.
Showers
Likely

Saturday
Night
Saturday Night: Showers.  Low around 53. Chance of precipitation is 90%.
Showers

Sunday

Sunday: Showers.  Cloudy, with a high near 58.
Showers

Sunday
Night
Sunday Night: Showers.  Cloudy, with a low around 53.
Showers

Lo 42 °F Hi 59 °F Lo 48 °F Hi 56 °F Lo 52 °F Hi 55 °F Lo 53 °F Hi 58 °F Lo 53 °F

 

Overnight
 
Widespread dense fog, mainly after 2am. Otherwise, cloudy, with a low around 42. Light west wind.
Thursday
 
Widespread dense fog, mainly before 8am. Otherwise, mostly cloudy, with a high near 59. South wind 3 to 5 mph.
Thursday Night
 
A 30 percent chance of showers after 4am. Widespread dense fog, mainly after 3am. Otherwise, increasing clouds, with a low around 48. South southeast wind 3 to 5 mph.
Friday
 
Showers, mainly after 10am. High near 56. South southeast 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 55. Chance of precipitation is 70%.
Saturday Night
 
Showers. Low around 53. Chance of precipitation is 90%.
Sunday
 
Showers. Cloudy, with a high near 58.
Sunday Night
 
Showers. Cloudy, with a low around 53.
Monday
 
Showers. 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 likely. Cloudy, with a high near 53.

 

Forecast from NOAA-NWS for 13 Miles N Bethel Island CA.