National Weather Service Forecast for: 13 Miles N Bethel Island CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 am PST Feb 2, 2026
 
Overnight

Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a steady temperature around 43. Light west wind.
Patchy Fog

 Monday

Monday: Areas of fog before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming north northwest around 5 mph.
Areas Fog
then Sunny
 Monday
Night
Monday Night: Patchy fog after 1am. Otherwise, increasing clouds, with a low around 40. Calm wind.
Mostly Clear
then Patchy
Fog
 Tuesday

Tuesday: Widespread dense fog, mainly before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 65. North wind 3 to 6 mph.
Dense Fog
then Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Mostly Clear
then Patchy
Fog
 Wednesday

Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 42.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 63.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 44.
Mostly Cloudy
Lo 43 °F Hi 65 °F Lo 40 °F Hi 65 °F Lo 40 °F Hi 63 °F Lo 42 °F Hi 63 °F Lo 44 °F

 

Overnight
 
 Patchy fog after 4am. Otherwise, mostly clear, with a steady temperature around 43. Light west wind.
Monday
 
 Areas of fog before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming north northwest around 5 mph.
Monday Night
 
 Patchy fog after 1am. Otherwise, increasing clouds, with a low around 40. Calm wind.
Tuesday
 
 Widespread dense fog, mainly before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 65. North wind 3 to 6 mph.
Tuesday Night
 
 Patchy fog after 4am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Wednesday
 
 Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63.
Wednesday Night
 
 Partly cloudy, with a low around 42.
Thursday
 
 Mostly sunny, with a high near 63.
Thursday Night
 
 Mostly cloudy, with a low around 44.
Friday
 
 Partly sunny, with a high near 64.
Friday Night
 
 Partly cloudy, with a low around 44.
Saturday
 
 Mostly sunny, with a high near 63.
Saturday Night
 
 Mostly cloudy, with a low around 45.
Sunday
 
 A slight chance of rain. Partly sunny, with a high near 63.

 

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