Grass Valley Weather Forecast

    • 41
    • 55

    Chance Rain

    • 37
    • 55

    Rain

    • 33
    • 45

    Rain/Snow

    • 31
    • 40

    Rain Showers

    • 30
    • 42

    Rain Likely

    • 29
    • 45

    Chance Rain/Snow

Today 14 Feb Motherlode

Mostly cloudy. Highs 54 to 62. Light Winds becoming south up to 10 Mph in the afternoon.

Tonight 14 Feb Motherlode

Mostly cloudy. A chance of rain after midnight. Lows 40 to 48. Prevailing southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Valley Temperature Statistics

February Temperature

Nevada County Air Park (3.1 miles)

  • Lowest 11 February, 2026

    41 °F

  • Average February

    55.4 °F

  • Highest 5 February, 2026

    71.6 °F

Climate (2021–Present)

Nevada County Air Park (3.1 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    68.9 °F
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