Lake Alta Weather Forecast

    • 48
    • 59

    Mostly Sunny

    • 48
    • 60

    Partly Sunny

    • 50
    • 63

    Mostly Sunny

    • 52
    • 65

    Partly Sunny

    • 51
    • 66

    Mostly Sunny

    • 51
    • 67

    Mostly Sunny

Today 6 Dec West Slope Northern Sierra Nevada

Areas of frost in the morning. Mostly sunny. Highs 44 to 59 higher Elevations. 53 to 63 lower Elevations. Light Winds.

Tonight 6 Dec West Slope Northern Sierra Nevada

Clear. Areas of frost after midnight. Lows 29 to 44 higher Elevations. 38 to 49 lower Elevations. Light Winds.

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Lake Alta Temperature Statistics

December Temperature

Emigrant Gap, Blue Canyon Nyack Airport (7.5 miles)

  • Lowest 3 December, 2025

    34 °F

  • Average December

    43.6 °F

  • Highest 1 December, 2025

    52 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (7.5 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    60.3 °F
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