Arcata-Eureka Airport (ACV) Weather 06/22/2026
Overnight
52
Patchy Fog
Saturday
71
Becoming Sunny
Saturday Night
58
Mostly Clear
Sunday
65
Mostly Sunny
Sunday Night
57
Partly Cloudy
Monday
65
Mostly Sunny
Monday Night
58
Partly Cloudy
Tuesday
67
Mostly Sunny
Tuesday Night
56
Mostly Clear
Wednesday
64
Mostly Sunny
Wednesday Night
55
Mostly Clear
Thursday
61
Mostly Sunny
Thursday Night
52
Partly Cloudy then Patchy Fog
Weekly Forecast
Overnight
Patchy fog. Otherwise, mostly clear early, then becoming mostly cloudy, with a low around 52. Calm wind.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 65. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. Light and variable wind.
Monday
Mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 52.