National Weather Service Forecast for: Middletown CA
Issued by: National Weather Service Eureka, CA
Updated: 1:10 am PST Dec 5, 2025
 
Overnight

Overnight: Clear, with a low around 36. Calm wind.
Clear
Friday

Friday: Sunny, with a high near 64. Light and variable wind.
Sunny
Friday
Night
Friday Night: Patchy fog.  Otherwise, mostly clear, with a low around 41. Calm wind.
Patchy Fog
Saturday

Saturday: Patchy fog before 10am.  Otherwise, sunny, with a high near 64. Calm wind.
Patchy Fog
then Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 41. Light northwest wind.
Mostly Clear
Sunday

Sunday: Mostly sunny, with a high near 64. Calm wind.
Mostly Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 41.
Partly Cloudy
Monday

Monday: Sunny, with a high near 66.
Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 42.
Partly Cloudy
Lo 36 °F Hi 64 °F Lo 41 °F Hi 64 °F Lo 41 °F Hi 64 °F Lo 41 °F Hi 66 °F Lo 42 °F

 

Overnight
 
Clear, with a low around 36. Calm wind.
Friday
 
Sunny, with a high near 64. Light and variable wind.
Friday Night
 
Patchy fog. Otherwise, mostly clear, with a low around 41. Calm wind.
Saturday
 
Patchy fog before 10am. Otherwise, sunny, with a high near 64. Calm wind.
Saturday Night
 
Mostly clear, with a low around 41. Light northwest wind.
Sunday
 
Mostly sunny, with a high near 64. Calm wind.
Sunday Night
 
Partly cloudy, with a low around 41.
Monday
 
Sunny, with a high near 66.
Monday Night
 
Partly cloudy, with a low around 42.
Tuesday
 
Mostly sunny, with a high near 66.
Tuesday Night
 
Partly cloudy, with a low around 44.
Wednesday
 
Mostly sunny, with a high near 68.
Wednesday Night
 
Mostly clear, with a low around 44.
Thursday
 
Sunny, with a high near 68.

 

Forecast from NOAA-NWS for Middletown CA.