Alta Sierra Weather Forecast

    • 39
    • 60

    Becoming Sunny

    • 39
    • 57

    Sunny

    • 34
    • 60

    Sunny

    • 38
    • 56

    Mostly Cloudy

    • 37
    • 56

    Partly Sunny

    • 42
    • 58

    Mostly Cloudy

    • 40
    • 56

    Chance Rain

Today 22 Jan Motherlode

Mostly cloudy in the morning then clearing. Patchy dense fog early in the morning. Highs 55 to 63. Light Winds.

Tonight 22 Jan Motherlode

Clear. Patchy fog late in the night. Colder. Lows 37 to 45. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alta Sierra Temperature Statistics

January Temperature

Nevada County Air Park (6.2 miles)

  • Lowest 8 January, 2026

    32 °F

  • Average January

    51.3 °F

  • Highest 15 January, 2026

    73.4 °F

Climate (2021–Present)

Nevada County Air Park (6.2 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    68.7 °F
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