Biscar Reservoir Weather Forecast
- 19
- 44
Partly Sunny
- 27
- 49
Partly Sunny
- 29
- 56
Partly Sunny
- 28
- 57
Partly Sunny
- 28
- 55
Partly Sunny
- 28
- 57
Partly Sunny
- 31
- 59
Partly Sunny
Today 3 Dec Lassen-Eastern Plumas-Eastern Sierra Counties
Partly cloudy. Highs 41 to 46. East Winds 10 to 15 Mph.
Tonight 3 Dec Lassen-Eastern Plumas-Eastern Sierra Counties
Partly cloudy in the evening then becoming clear. Lows 16 to 26. Light Winds.
Biscar Reservoir Temperature Statistics
December Temperature
Alturas (65.2 miles)
Lowest 1 December, 2025
15.1 °FAverage December
34.8 °FHighest 1 December, 2025
51.1 °F
Climate (2020–Present)
Alturas (65.2 miles)
Average Low 2020–2025
33.2 °FAverage 2020–2025
49.2 °FAverage High 2020–2025
64.3 °F