Arcata Weather Forecast
- 46
- 62
Dense Fog
- 49
- 64
Dense Fog
- 49
- 64
Mostly Cloudy
- 44
- 65
Rain
- 41
- 54
Rain
- 39
- 54
Chance Rain
Today 23 Mar Northern Humboldt Coast
Mostly cloudy in the morning then becoming partly cloudy. Patchy drizzle in the morning. Patchy fog through the day. Highs 57 to 67. Northwest wind around 10 Mph.
Tonight 23 Mar Northern Humboldt Coast
Mostly cloudy. Patchy dense fog through the night. Lows 41 to 51. Northwest wind around 10 Mph.
Arcata Temperature Statistics
March Temperature
Arcata / Eureka, Arcata Airport (7.5 miles)
Lowest 8 March, 2025
34 °FAverage March
47.9 °FHighest 1 March, 2025
59.6 °F
Climate (2020–Present)
Arcata / Eureka, Arcata Airport (7.5 miles)
Average Low 2020–2025
45.2 °FAverage 2020–2025
52 °FAverage High 2020–2025
59.3 °F