National Weather Service Forecast for: Arcata CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT May 26, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 49. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Mostly Cloudy

Wednesday

Wednesday: A 40 percent chance of showers after 11am.  Cloudy, with a high near 57. Breezy, with a north northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Chance
Showers and
Breezy
Wednesday
Night
Wednesday Night: A 50 percent chance of showers.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 52. West northwest wind around 5 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers and
Patchy Fog
Thursday

Thursday: A 20 percent chance of showers after 11am.  Patchy fog before 11am.  Otherwise, partly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Slight Chance
Showers and
Patchy Fog
Thursday
Night
Thursday Night: Showers likely, mainly before 11pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 52. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely and
Patchy Fog
Friday

Friday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 58. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Patchy Fog
then Mostly
Cloudy
Friday
Night
Friday Night: Mostly cloudy, with a low around 48.
Mostly Cloudy

Saturday

Saturday: Partly sunny, with a high near 57.
Partly Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 43.
Partly Cloudy

Lo 49 °F Hi 57 °F Lo 52 °F Hi 58 °F Lo 52 °F Hi 58 °F Lo 48 °F Hi 57 °F Lo 43 °F

Beach Hazards Statement
 

Tonight
 
Mostly cloudy, with a low around 49. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday
 
A 40 percent chance of showers after 11am. Cloudy, with a high near 57. Breezy, with a north northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
 
A 50 percent chance of showers. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52. West northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
A 20 percent chance of showers after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
 
Showers likely, mainly before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Friday Night
 
Mostly cloudy, with a low around 48.
Saturday
 
Partly sunny, with a high near 57.
Saturday Night
 
Partly cloudy, with a low around 43.
Sunday
 
Patchy fog between 8am and 11am. Otherwise, sunny, with a high near 59.
Sunday Night
 
Mostly clear, with a low around 46.
Monday
 
Mostly sunny, with a high near 61.
Monday Night
 
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Tuesday
 
Areas of fog. Otherwise, partly sunny, with a high near 61.

 

Forecast from NOAA-NWS for Arcata CA.