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

Today: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Patchy Fog
then Mostly
Cloudy
 Tonight

Tonight: A slight chance of showers between 8pm and 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Slight Chance
Showers then
Patchy Fog
 Tuesday

Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.
Patchy Fog
then Partly
Sunny
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming calm in the evening.
Mostly Cloudy

 Wednesday

Wednesday: Partly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Partly Sunny

 Wednesday
Night
Wednesday Night: Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming calm in the evening.
Patchy Fog

 Thursday

Thursday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 65.
Patchy Fog
then Mostly
Sunny
 Thursday
Night
Thursday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 48.
Patchy Fog

 Friday

Friday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 64.
Patchy Fog
then Mostly
Sunny
Hi 60 °F Lo 50 °F Hi 62 °F Lo 50 °F Hi 64 °F Lo 49 °F Hi 65 °F Lo 48 °F Hi 64 °F

 

Today
 
 Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tonight
 
 A slight chance of showers between 8pm and 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
 
 Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
 
 Mostly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 Partly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
 
 Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
 
 Patchy fog before 8am. Otherwise, partly sunny, with a high near 65.
Thursday Night
 
 Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 48.
Friday
 
 Patchy fog before 8am. Otherwise, partly sunny, with a high near 64.
Friday Night
 
 Partly cloudy, with a low around 49.
Saturday
 
 Mostly sunny, with a high near 67.
Saturday Night
 
 Partly cloudy, with a low around 50.
Sunday
 
 Mostly sunny, with a high near 71.

 

Forecast from NOAA-NWS for Fortuna CA.