Lake Alta Weather Forecast

    • 59
    • 72

    Increasing Clouds

    • 54
    • 69

    Mostly Cloudy

    • 60
    • 74

    Sunny

    • 59
    • 81

    Sunny

    • 60
    • 81

    Sunny

    • 59
    • 80

    Mostly Sunny

Today 26 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Mostly sunny in the morning then becoming partly cloudy. Highs 66 to 76. Light Winds becoming southwest up to 10 Mph in the afternoon. Gusts up to 25 Mph.

Tonight 26 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Partly cloudy in the evening then becoming mostly cloudy. Lows 51 to 61. Light Winds.

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Lake Alta Temperature Statistics

September Temperature

Emigrant Gap, Blue Canyon Nyack Airport (7.5 miles)

  • Lowest 1 September, 2026

    43.6 °F

  • Average September

    60.3 °F

  • Highest 9 September, 2026

    84.7 °F

Climate (2021–2026)

Emigrant Gap, Blue Canyon Nyack Airport (7.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    60.4 °F
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