Grass Valley Weather Forecast

    • 37
    • 59

    Mostly Sunny

    • 40
    • 59

    Partly Sunny

    • 45
    • 63

    Partly Sunny

    • 45
    • 64

    Partly Sunny

    • 41
    • 65

    Partly Sunny

    • 42
    • 63

    Mostly Sunny

Today 20 Feb Motherlode

Areas of fog. Locally dense early in the morning. Sunny. Highs 56 to 64. Prevailing northeast Winds up to 10 Mph shifting to the northwest in the afternoon.

Tonight 20 Feb Motherlode

Clear. Lows 37 to 43. Prevailing north Winds up to 10 Mph shifting to the east after midnight.

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  • Temperature Real-Time

Grass Valley Temperature Statistics

February Temperature

Nevada County Air Park (3.1 miles)

  • Lowest 5 February, 2025

    30.2 °F

  • Average February

    42.8 °F

  • Highest 18 February, 2025

    57.2 °F

Climate (2020–Present)

Nevada County Air Park (3.1 miles)

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  • Average Low 2020–2025

    51.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    68.6 °F
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