Alta Sierra Airport Weather Forecast

    • 52
    • 74

    Sunny

    • 54
    • 83

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

Today 13 Sep Northern Motherlode Between 1000-3000 ft

Sunny, haze. Highs 71 to 79. Light Winds.

Tonight 13 Sep Northern Motherlode Between 1000-3000 ft

Clear. Lows around 54. 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 1 September, 2026

    48.2 °F

  • Average September

    65.8 °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

    60.2 °F

  • Average High 2021–2026

    68.4 °F
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