National Weather Service Forecast for: Fortuna CA
Issued by: National Weather Service Eureka, CA
Updated: 1:10 pm PST Dec 4, 2025
 
Tonight

Tonight: A slight chance of drizzle.  Cloudy, with a low around 45. Light north northwest wind.
Slight Chance
Drizzle

Friday

Friday: A slight chance of drizzle.  Cloudy, with a high near 59. North northwest wind 3 to 7 mph.
Slight Chance
Drizzle

Friday
Night
Friday Night: A 40 percent chance of rain.  Patchy fog.  Otherwise, mostly cloudy, with a low around 50. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Patchy
Fog

Saturday

Saturday: A 20 percent chance of rain.  Cloudy, then gradually becoming mostly sunny, with a high near 58. Calm wind becoming north northwest around 5 mph in the afternoon.
Slight Chance
Rain

Saturday
Night
Saturday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 47. Calm wind.
Slight Chance
Rain

Sunday

Sunday: A 40 percent chance of rain, mainly between 10am and 4pm.  Patchy fog after 4pm.  Otherwise, mostly cloudy, with a high near 59. Light and variable wind.
Chance Rain
and Patchy
Fog

Sunday
Night
Sunday Night: A 20 percent chance of rain before 10pm.  Patchy fog before 4am.  Otherwise, mostly cloudy, with a low around 47.
Slight Chance
Rain and
Patchy Fog
then Patchy
Fog
Monday

Monday: Patchy fog between 10am and 1pm.  Otherwise, partly sunny, with a high near 61.
Patchy Fog


Monday
Night
Monday Night: Patchy fog between 7pm and 10pm.  Otherwise, mostly cloudy, with a low around 47.
Patchy Fog
then Mostly
Cloudy

Lo 45 °F Hi 59 °F Lo 50 °F Hi 58 °F Lo 47 °F Hi 59 °F Lo 47 °F Hi 61 °F Lo 47 °F

Coastal Flood Advisory
 

Tonight
 
A slight chance of drizzle. Cloudy, with a low around 45. Light north northwest wind.
Friday
 
A slight chance of drizzle. Cloudy, with a high near 59. North northwest wind 3 to 7 mph.
Friday Night
 
A 40 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
A 20 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 58. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
 
A 20 percent chance of rain. Mostly cloudy, with a low around 47. Calm wind.
Sunday
 
A 40 percent chance of rain, mainly between 10am and 4pm. Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 59. Light and variable wind.
Sunday Night
 
A 20 percent chance of rain before 10pm. Patchy fog before 4am. Otherwise, mostly cloudy, with a low around 47.
Monday
 
Patchy fog between 10am and 1pm. Otherwise, partly sunny, with a high near 61.
Monday Night
 
Patchy fog between 7pm and 10pm. Otherwise, mostly cloudy, with a low around 47.
Tuesday
 
A slight chance of rain after 10am. Patchy fog between 10am and 1pm. Otherwise, mostly cloudy, with a high near 62.
Tuesday Night
 
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Wednesday
 
A slight chance of rain. Partly sunny, with a high near 62.
Wednesday Night
 
A slight chance of rain. Mostly cloudy, with a low around 49.
Thursday
 
Partly sunny, with a high near 61.

 

Forecast from NOAA-NWS for Fortuna CA.