Nine Springs Reservoir Weather Forecast
- 29
- 57
Mostly Cloudy
- 30
- 53
Partly Sunny
- 27
- 49
Rain Likely
- 25
- 49
Mostly Sunny
- 31
- 56
Mostly Cloudy
- 31
- 59
Partly Sunny
Today 29 Oct Lassen-Eastern Plumas-Eastern Sierra Counties
Mostly cloudy. Highs 56 to 61. Light Winds becoming south around 10 Mph in the afternoon.
Tonight 29 Oct Lassen-Eastern Plumas-Eastern Sierra Counties
Mostly cloudy. Lows 27 to 37. Light Winds.
Nine Springs Reservoir Temperature Statistics
October Temperature
Alturas (41.6 miles)
Lowest 12 October, 2026
15.7 °FAverage October
51.5 °FHighest 3 October, 2026
89.7 °F
Climate (2021–2026)
Alturas (41.6 miles)
Average Low 2021–2026
33.2 °FAverage 2021–2026
49.2 °FAverage High 2021–2026
64.9 °F