Grass Valley Weather Forecast

    • 52
    • 73

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 45
    • 71

    Partly Sunny

    • 41
    • 57

    Chance Rain Showers

    • 43
    • 59

    Partly Sunny

Today 7 May Motherlode

Sunny. Highs 71 to 81. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 7 May Motherlode

Mostly clear. Lows 50 to 58. Light Winds.

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  • Temperature Real-Time

Grass Valley Temperature Statistics

May Temperature

Nevada County Air Park (3.1 miles)

  • Lowest 4 May, 2025

    50 °F

  • Average May

    63 °F

  • Highest 1 May, 2025

    75.2 °F

Climate (2020–Present)

Nevada County Air Park (3.1 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    68.7 °F
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