National Weather Service Forecast for: Middletown CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 am PDT May 26, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 65. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Sunny and
Breezy
 Tonight

Tonight: Mostly clear, with a low around 43. Northwest wind 5 to 14 mph, with gusts as high as 30 mph.
Mostly Clear

 Wednesday

Wednesday: Mostly sunny, with a high near 68. Calm wind becoming north northwest around 6 mph in the afternoon.
Mostly Sunny

 Wednesday
Night
Wednesday Night: A 30 percent chance of rain after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming calm in the evening.
Chance Rain
and Patchy
Fog
 Thursday

Thursday: A 30 percent chance of rain, mainly before 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Chance Rain
and Patchy
Fog
 Thursday
Night
Thursday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Partly Cloudy
then Patchy
Fog
 Friday

Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.
Patchy Fog
then Mostly
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 48.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 77.
Sunny
Hi 65 °F Lo 43 °F Hi 68 °F Lo 46 °F Hi 69 °F Lo 46 °F Hi 72 °F Lo 48 °F Hi 77 °F

 

This Afternoon
 
 Sunny, with a high near 65. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tonight
 
 Mostly clear, with a low around 43. Northwest wind 5 to 14 mph, with gusts as high as 30 mph.
Wednesday
 
 Mostly sunny, with a high near 68. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
 
 A 30 percent chance of rain after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming calm in the evening.
Thursday
 
 A 30 percent chance of rain, mainly before 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
 
 Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.
Friday Night
 
 Mostly clear, with a low around 48.
Saturday
 
 Sunny, with a high near 77.
Saturday Night
 
 Clear, with a low around 48.
Sunday
 
 Sunny, with a high near 83.
Sunday Night
 
 Mostly clear, with a low around 52.
Monday
 
 Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Middletown CA.