Alta Sierra Airport Weather Forecast

    • 48
    • 73

    Gradual Clearing

    • 54
    • 77

    Sunny

    • 57
    • 86

    Sunny

    • 57
    • 88

    Sunny

    • 57
    • 88

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

Today 27 Sep Northern Motherlode Between 1000-3000 ft

Mostly cloudy. Highs 70 to 76. Light Winds.

Tonight 27 Sep Northern Motherlode Between 1000-3000 ft

Mostly clear. Lows 47 to 53. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alta Sierra Airport Temperature Statistics

September Temperature

Nevada County Air Park (8.1 miles)

  • Lowest 17 September, 2026

    46.4 °F

  • Average September

    67.4 °F

  • Highest 9 September, 2026

    91.4 °F

Climate (2021–2026)

Nevada County Air Park (8.1 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    60.1 °F

  • Average High 2021–2026

    68.4 °F
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