Alliance Weather Forecast
- 55
- 67
Increasing Clouds
- 50
- 65
Increasing Clouds
- 50
- 66
Partly Sunny
- 53
- 67
Partly Sunny
- 52
- 66
Partly Sunny
- 52
- 67
Mostly Sunny
- 54
- 70
Partly Sunny
Today 28 Jul Northern Coastal Humboldt
Mostly cloudy until early afternoon then becoming partly cloudy. Highs 64 to 76. Northwest wind 5 to 15 Mph.
Tonight 28 Jul Northern Coastal Humboldt
Partly cloudy early in the evening then becoming mostly cloudy. Lows 49 to 59. Northwest wind 5 to 15 Mph.
Alliance Temperature Statistics
July Temperature
Arcata / Eureka, Arcata Airport (6.2 miles)
Lowest 11 July, 2026
47.6 °FAverage July
57.5 °FHighest 22 July, 2026
72.6 °F
Climate (2021–2026)
Arcata / Eureka, Arcata Airport (6.2 miles)
Average Low 2021–2026
45.7 °FAverage 2021–2026
52.5 °FAverage High 2021–2026
59.7 °F