National Weather Service Forecast for: Arcata CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT Jun 29, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 50. North wind 5 to 7 mph.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 60. Breezy, with a north northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Mostly Sunny
then Mostly
Sunny and
Breezy
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 50. North northwest wind 5 to 15 mph, with gusts as high as 24 mph.
Mostly Cloudy

 Wednesday

Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a light north wind becoming north northwest 11 to 16 mph in the morning. Winds could gust as high as 25 mph.
Partly Sunny
then Sunny
and Breezy
 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 50. North northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Mostly Cloudy

 Thursday

Thursday: Partly sunny, with a high near 60. Light north wind becoming north northwest 6 to 11 mph in the afternoon.
Partly Sunny

 Thursday
Night
Thursday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51.
Partly Cloudy
then Patchy
Fog
 Friday

Friday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 61.
Patchy Fog
then Partly
Sunny
 Friday
Night
Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52.
Patchy Fog
Lo 50 °F Hi 60 °F Lo 50 °F Hi 60 °F Lo 50 °F Hi 60 °F Lo 51 °F Hi 61 °F Lo 52 °F

 

Tonight
 
 Partly cloudy, with a low around 50. North wind 5 to 7 mph.
Tuesday
 
 Mostly sunny, with a high near 60. Breezy, with a north northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 50. North northwest wind 5 to 15 mph, with gusts as high as 24 mph.
Wednesday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a light north wind becoming north northwest 11 to 16 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
 
 Mostly cloudy, with a low around 50. North northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Thursday
 
 Partly sunny, with a high near 60. Light north wind becoming north northwest 6 to 11 mph in the afternoon.
Thursday Night
 
 Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51.
Friday
 
 Patchy fog before 11am. Otherwise, partly sunny, with a high near 61.
Friday Night
 
 Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52.
Independence Day
 
 Patchy fog before 8am. Otherwise, partly sunny, with a high near 61.
Saturday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Sunday
 
 Areas of fog. Otherwise, mostly cloudy, with a high near 61.
Sunday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Monday
 
 Patchy fog. Otherwise, mostly cloudy, with a high near 60.

 

Forecast from NOAA-NWS for Arcata CA.