Grass Valley Weather Forecast
- 36
- 55
Becoming Sunny
- 36
- 59
Sunny
- 38
- 57
Partly Sunny
- 39
- 58
Mostly Cloudy
- 40
- 60
Mostly Cloudy
- 40
- 62
Partly Sunny
Today 11 Dec Motherlode
Mostly sunny in the morning then becoming partly cloudy. Highs 54 to 60. Light Winds.
Tonight 11 Dec Motherlode
Clear. Lows 36 to 42. Prevailing northeast Winds up to 10 Mph.
Grass Valley Temperature Statistics
December Temperature
Nevada County Air Park (3.1 miles)
Lowest 8 December, 2023
32 °FAverage December
45.5 °FHighest 5 December, 2023
64.4 °F
Climate (2018–Present)
Nevada County Air Park (3.1 miles)
Average Low 2018–2023
51.7 °FAverage 2018–2023
60.1 °FAverage High 2018–2023
68.2 °F