Crater Lake Weather Forecast
- 52
- 78
Mostly Sunny
- 51
- 75
Partly Sunny
- 46
- 69
Slight Chance Rain Showers
- 45
- 69
Mostly Sunny
- 46
- 70
Mostly Sunny
- 47
- 69
Partly Sunny
Today 11 Aug Lassen-Eastern Plumas-Eastern Sierra Counties
Sunny. Haze in the morning. Highs 87 to 97. Light Winds becoming southwest 10 to 15 Mph with Gusts up to 30 Mph in the afternoon.
Tonight 11 Aug Lassen-Eastern Plumas-Eastern Sierra Counties
Clear. Patchy smoke after midnight. Lows 47 to 57. West Winds 10 to 15 Mph with Gusts up to 30 Mph in the evening becoming light.
Crater Lake Temperature Statistics
August Temperature
Alturas (64 miles)
Lowest 4 August, 2026
43.6 °FAverage August
74.6 °FHighest 7 August, 2026
101.6 °F
Climate (2021–2026)
Alturas (64 miles)
Average Low 2021–2026
33.3 °FAverage 2021–2026
49.3 °FAverage High 2021–2026
64.8 °F