Eureka Weather Forecast
- 43
- 61
Increasing Clouds
- 44
- 61
Partly Sunny
- 51
- 64
Mostly Cloudy
- 50
- 59
Cloudy
- 48
- 59
Mostly Cloudy
- 51
- 60
Mostly Cloudy
Today 5 Nov Northern Coastal Humboldt
Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 58 to 68. North wind around 10 Mph.
Tonight 5 Nov Northern Coastal Humboldt
Mostly cloudy. Patchy fog. Lows 37 to 47. North wind around 5 Mph shifting to the east overnight.
Eureka Temperature Statistics
November Temperature
Arcata / Eureka, Arcata Airport (11.8 miles)
Lowest 1 November, 2026
37.9 °FAverage November
48.5 °FHighest 1 November, 2026
57 °F
Climate (2021–2026)
Arcata / Eureka, Arcata Airport (11.8 miles)
Average Low 2021–2026
45.7 °FAverage 2021–2026
52.6 °FAverage High 2021–2026
59.7 °F