Grass Valley Weather Forecast
- 59
- 82
Mostly Sunny
- 63
- 85
Increasing Clouds
- 54
- 83
Slight Chance Thunderstorms
- 53
- 73
Slight Chance Thunderstorms
- 53
- 73
Chance Rain Showers
- 54
- 74
Partly Sunny
- 54
- 75
Partly Sunny
Today 3 Jun Motherlode
Sunny. Highs 79 to 89. Prevailing east Winds up to 10 Mph shifting to the west in the afternoon.
Grass Valley Temperature Statistics
June Temperature
Nevada County Air Park (3.1 miles)
Lowest 1 June, 2023
55.4 °FAverage June
64.1 °FHighest 1 June, 2023
71.6 °F
Climate (2011–Present)
Nevada County Air Park (3.1 miles)
Average Low 2011–Present
51 °FAverage 2011–Present
59.7 °FAverage High 2011–Present
68.1 °F