National Weather Service Forecast for: Middletown CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 am PDT Sep 13, 2026
 
Overnight

Overnight: Mostly clear, with a low around 47. Southwest wind around 7 mph.
Mostly Clear
 Sunday

Sunday: Patchy smoke after 2pm. Sunny, with a high near 77. Southwest wind 6 to 10 mph becoming north in the afternoon.
Sunny then
Patchy Smoke
 Sunday
Night
Sunday Night: Patchy smoke before 2am. Clear, with a low around 49. Northwest wind 3 to 8 mph.
Patchy Smoke
 Monday

Monday: Sunny, with a high near 85. Light and variable wind becoming west southwest around 5 mph in the afternoon.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.
Clear
 Tuesday

Tuesday: Sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 52.
Clear
 Wednesday

Wednesday: Sunny, with a high near 84.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 52.
Clear
Lo 47 °F Hi 77 °F Lo 49 °F Hi 85 °F Lo 52 °F Hi 86 °F Lo 52 °F Hi 84 °F Lo 52 °F

 

Overnight
 
 Mostly clear, with a low around 47. Southwest wind around 7 mph.
Sunday
 
 Patchy smoke after 2pm. Sunny, with a high near 77. Southwest wind 6 to 10 mph becoming north in the afternoon.
Sunday Night
 
 Patchy smoke before 2am. Clear, with a low around 49. Northwest wind 3 to 8 mph.
Monday
 
 Sunny, with a high near 85. Light and variable wind becoming west southwest around 5 mph in the afternoon.
Monday Night
 
 Clear, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
 
 Clear, with a low around 52.
Wednesday
 
 Sunny, with a high near 84.
Wednesday Night
 
 Clear, with a low around 52.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Clear, with a low around 51.
Friday
 
 Sunny, with a high near 85.
Friday Night
 
 Mostly clear, with a low around 51.
Saturday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Middletown CA.