Alta Sierra Weather Forecast
- 50
- 82
Mostly Sunny
- 47
- 70
Mostly Sunny
- 51
- 71
Mostly Sunny
- 53
- 74
Slight Chance Rain
- 53
- 75
Mostly Sunny
- 53
- 78
Mostly Sunny
Today 31 Aug Northern Motherlode Between 1000-3000 ft
Sunny. Highs 81 to 87. Light Winds becoming southwest up to 10 Mph in the afternoon.
Tonight 31 Aug Northern Motherlode Between 1000-3000 ft
Mostly clear. Lows 51 to 57. South Winds up to 10 Mph.
Alta Sierra Temperature Statistics
August Temperature
Nevada County Air Park (6.2 miles)
Lowest 13 August, 2026
60.8 °FAverage August
79.6 °FHighest 7 August, 2026
96.8 °F
Climate (2021–2026)
Nevada County Air Park (6.2 miles)
Average Low 2021–2026
52.2 °FAverage 2021–2026
60.3 °FAverage High 2021–2026
68.5 °F