Weather forecast for: Arcata CA
Last Update: 12:08 pm PDT Sep 4, 2026
This Afternoon: A 40 percent chance of showers. Mostly sunny, with a high near 65. Calm wind becoming west southwest around 5 mph.
Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.
Saturday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.
Sunday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.
Labor Day: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 66.
Monday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53.
Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 67.
Tuesday Night: Mostly cloudy, with a low around 56.
Wednesday: Partly sunny, with a high near 69.
Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 58.
Thursday: A slight chance of rain. Mostly cloudy, with a high near 68.