Weather forecast for: Arcata CA
Last Update: 1:34 pm PDT Oct 4, 2026
This Afternoon: Cloudy, with a high near 63. Light northwest wind.
Tonight: Mostly cloudy, with a low around 58. Calm wind.
Monday: Partly sunny, with a high near 71. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night: Mostly cloudy, with a low around 58. Light and variable wind.
Tuesday: Mostly sunny, with a high near 71. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night: Partly cloudy, with a low around 58. Light and variable wind.
Wednesday: Mostly sunny, with a high near 73.
Wednesday Night: Partly cloudy, with a low around 57.
Thursday: Mostly sunny, with a high near 71.
Thursday Night: Partly cloudy, with a low around 55.
Friday: Mostly sunny, with a high near 65.
Friday Night: Mostly cloudy, with a low around 52.
Saturday: Partly sunny, with a high near 60.