National Weather Service Forecast for: Fortuna CA
Issued by: National Weather Service Eureka, CA
Updated: 10:05 am PDT Oct 6, 2026
 
Today

Today: Patchy dense fog before 11am. Otherwise, sunny, with a high near 73. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Patchy Dense
Fog then
Sunny
 Tonight

Tonight: Patchy dense fog after 8pm. Otherwise, increasing clouds, with a low around 52. Light north northwest wind.
Patchy Dense
Fog
 Wednesday

Wednesday: Partly sunny, then gradually becoming sunny, with a high near 73. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Becoming
Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 53. Calm wind.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 76. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 56. Light north wind.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 70.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 50.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 60. Breezy.
Mostly Sunny
and Breezy
Hi 73 °F Lo 52 °F Hi 73 °F Lo 53 °F Hi 76 °F Lo 56 °F Hi 70 °F Lo 50 °F Hi 60 °F

 

Today
 
 Patchy dense fog before 11am. Otherwise, sunny, with a high near 73. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tonight
 
 Patchy dense fog after 8pm. Otherwise, increasing clouds, with a low around 52. Light north northwest wind.
Wednesday
 
 Partly sunny, then gradually becoming sunny, with a high near 73. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 53. Calm wind.
Thursday
 
 Sunny, with a high near 76. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 56. Light north wind.
Friday
 
 Mostly sunny, with a high near 70.
Friday Night
 
 Partly cloudy, with a low around 50.
Saturday
 
 Mostly sunny, with a high near 60. Breezy.
Saturday Night
 
 Partly cloudy, with a low around 45. Breezy.
Sunday
 
 Sunny, with a high near 61.
Sunday Night
 
 Mostly clear, with a low around 46.
Columbus Day
 
 Sunny, with a high near 63.

 

Forecast from NOAA-NWS for Fortuna CA.