Alta Sierra Airport Weather Forecast

    • 36
    • 57

    Sunny

    • 41
    • 59

    Partly Sunny

    • 45
    • 55

    Rain

    • 45
    • 53

    Rain

    • 45
    • 54

    Rain

    • 42
    • 50

    Rain Likely

Today 29 Dec Motherlode

Areas of frost in the morning. Sunny. Not as cool. Highs 51 to 61. Light Winds.

Tonight 29 Dec Motherlode

Clear. Lows 34 to 44. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alta Sierra Airport Temperature Statistics

December Temperature

Nevada County Air Park (8.1 miles)

  • Lowest 27 December, 2025

    37.4 °F

  • Average December

    52.4 °F

  • Highest 11 December, 2025

    71.6 °F

Climate (2020–Present)

Nevada County Air Park (8.1 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    68.7 °F
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