National Weather Service Forecast for: Whitethorn CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 am PDT Jun 22, 2026
 
Overnight

Overnight: Clear, with a low around 52. Northwest wind around 5 mph.
Clear
 Monday

Monday: Sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 83. Light west southwest wind.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54. Light west wind.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 87. Light and variable wind.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 54.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 83.
Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 51.
Partly Cloudy
Lo 52 °F Hi 85 °F Lo 53 °F Hi 83 °F Lo 54 °F Hi 87 °F Lo 54 °F Hi 83 °F Lo 51 °F

 

Overnight
 
 Clear, with a low around 52. Northwest wind around 5 mph.
Monday
 
 Sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 83. Light west southwest wind.
Tuesday Night
 
 Mostly clear, with a low around 54. Light west wind.
Wednesday
 
 Sunny, with a high near 87. Light and variable wind.
Wednesday Night
 
 Mostly clear, with a low around 54.
Thursday
 
 Sunny, with a high near 83.
Thursday Night
 
 Partly cloudy, with a low around 51.
Friday
 
 Mostly sunny, with a high near 73.
Friday Night
 
 Partly cloudy, with a low around 51.
Saturday
 
 Sunny, with a high near 72.
Saturday Night
 
 Mostly clear, with a low around 48.
Sunday
 
 Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Whitethorn CA.