Butte Weather Forecast
- 52
- 69
Decreasing Clouds
- 51
- 69
Partly Sunny
- 51
- 68
Areas Fog
- 51
- 68
Areas Fog
- 52
- 68
Areas Fog
- 52
- 68
Partly Sunny
Today 16 Sep Northern Coastal Humboldt
Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 64 to 74. West wind up to 10 Mph.
Tonight 16 Sep Northern Coastal Humboldt
Partly cloudy. Lows 48 to 58. Northwest wind around 10 Mph shifting to the southeast overnight.
Butte Temperature Statistics
September Temperature
Arcata / Eureka, Arcata Airport (5.6 miles)
Lowest 5 September, 2026
46.7 °FAverage September
58.8 °FHighest 9 September, 2026
75.7 °F
Climate (2021–2026)
Arcata / Eureka, Arcata Airport (5.6 miles)
Average Low 2021–2026
45.8 °FAverage 2021–2026
52.6 °FAverage High 2021–2026
59.8 °F