NWS Forecast for Whitethorn CA

National Weather Service Forecast for: Whitethorn CA
Issued by: National Weather Service Eureka, CA

Updated: 2:10 pm PDT Jun 19, 2026

Tonight Mostly Cloudy then Patchy Fog	Saturday Patchy Fog then Sunny	Saturday Night Mostly Clear	Sunday Sunny	Sunday Night Mostly Clear	Monday Sunny	Monday Night Mostly Clear	Tuesday Sunny	Tuesday Night Mostly Clear then Patchy Fog
Lo 50 °F	Hi 72 °F	Lo 49 °F	Hi 82 °F	Lo 52 °F	Hi 81 °F	Lo 53 °F	Hi 80 °F	Lo 53 °F

Tonight	Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Saturday	Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 72. Light and variable wind.
Saturday Night	Mostly clear, with a low around 49. Calm wind.
Sunday	Sunny, with a high near 82. Light and variable wind.
Sunday Night	Mostly clear, with a low around 52. Calm wind.
Monday	Sunny, with a high near 81. Light and variable wind.
Monday Night	Mostly clear, with a low around 53.
Tuesday	Sunny, with a high near 80.
Tuesday Night	Patchy fog after 2am. Otherwise, mostly clear, with a low around 53.
Wednesday	Patchy fog before 8am. Otherwise, sunny, with a high near 82.
Wednesday Night	Mostly clear, with a low around 52.
Thursday	Sunny, with a high near 84.
Thursday Night	Mostly clear, with a low around 52.
Friday	Sunny, with a high near 81.

Forecast from NOAA-NWS for Whitethorn CA.