National Weather Service Forecast for: Eureka CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT Jun 19, 2026
 
Tonight

Tonight: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Patchy Fog

 Saturday

Saturday: Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
 Saturday
Night
Saturday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 50. North northwest wind 5 to 7 mph becoming calm in the evening.
Patchy Fog

 Sunday

Sunday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
 Sunday
Night
Sunday Night: Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 52. Northwest wind 5 to 7 mph becoming calm in the evening.
Patchy Fog

 Monday

Monday: Mostly sunny, with a high near 67. Calm wind becoming west northwest around 5 mph in the afternoon.
Mostly Sunny

 Monday
Night
Monday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 54.
Partly Cloudy
then Patchy
Fog
 Tuesday

Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 66.
Patchy Fog
then Mostly
Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53.
Patchy Fog
Lo 52 °F Hi 63 °F Lo 50 °F Hi 65 °F Lo 52 °F Hi 67 °F Lo 54 °F Hi 66 °F Lo 53 °F

 

Tonight
 
 Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Saturday
 
 Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Saturday Night
 
 Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 50. North northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
 
 Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
 
 Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 52. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
 
 Mostly sunny, with a high near 67. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
 
 Patchy fog after 2am. Otherwise, partly cloudy, with a low around 54.
Tuesday
 
 Patchy fog before 8am. Otherwise, partly sunny, with a high near 66.
Tuesday Night
 
 Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53.
Wednesday
 
 Areas of fog before 11am. Otherwise, partly sunny, with a high near 66.
Wednesday Night
 
 Patchy fog. Otherwise, partly cloudy, with a low around 52.
Thursday
 
 Patchy fog. Otherwise, mostly sunny, with a high near 65.
Thursday Night
 
 Patchy fog. Otherwise, partly cloudy, with a low around 52.
Friday
 
 Areas of fog. Otherwise, partly sunny, with a high near 64.

 

Forecast from NOAA-NWS for Eureka CA.