National Weather Service Forecast for: Whitethorn CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 am PDT May 4, 2026
 
Today

Today: A 30 percent chance of showers, mainly before 11am. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming west around 6 mph in the afternoon.
Chance
Showers and
Patchy Fog

 Tonight

Tonight: A 20 percent chance of showers before 11pm. Patchy fog after 8pm. Otherwise, cloudy, with a low around 46. West wind around 6 mph becoming calm in the evening.
Slight Chance
Showers and
Patchy Fog
then Patchy
Fog
 Tuesday

Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.
Patchy Fog
then Partly
Sunny

 Tuesday
Night
Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Patchy Fog


 Wednesday

Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Patchy Fog
then Sunny

 Wednesday
Night
Wednesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 46. West northwest wind around 5 mph becoming calm in the evening.
Patchy Fog


 Thursday

Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68.
Patchy Fog
then Sunny

 Thursday
Night
Thursday Night: Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 46.
Areas Fog


 Friday

Friday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 72.
Areas Fog
then Sunny
Hi 58 °F Lo 46 °F Hi 64 °F Lo 46 °F Hi 67 °F Lo 46 °F Hi 68 °F Lo 46 °F Hi 72 °F

 

Today
 
 A 30 percent chance of showers, mainly before 11am. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming west around 6 mph in the afternoon.
Tonight
 
 A 20 percent chance of showers before 11pm. Patchy fog after 8pm. Otherwise, cloudy, with a low around 46. West wind around 6 mph becoming calm in the evening.
Tuesday
 
 Patchy fog before 11am. Otherwise, partly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Wednesday
 
 Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 11pm. Otherwise, mostly clear, with a low around 46. West northwest wind around 5 mph becoming calm in the evening.
Thursday
 
 Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68.
Thursday Night
 
 Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 46.
Friday
 
 Areas of fog before 8am. Otherwise, mostly sunny, with a high near 72.
Friday Night
 
 Mostly clear, with a low around 46.
Saturday
 
 Sunny, with a high near 76.
Saturday Night
 
 Mostly clear, with a low around 48.
Sunday
 
 Sunny, with a high near 80.

 

Forecast from NOAA-NWS for Whitethorn CA.