Alleghany Weather Forecast

    • 56
    • 73

    Sunny

    • 52
    • 68

    Sunny

    • 55
    • 67

    Sunny

    • 59
    • 76

    Sunny

    • 60
    • 78

    Mostly Sunny

    • 60
    • 77

    Partly Sunny

Today 15 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Sunny. Highs 71 to 81. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 15 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80

Clear. Lows 49 to 59. Light Winds.

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Alleghany Temperature Statistics

September Temperature

Emigrant Gap, Blue Canyon Nyack Airport (14.9 miles)

  • Lowest 1 September, 2026

    43.6 °F

  • Average September

    59.6 °F

  • Highest 9 September, 2026

    84.7 °F

Climate (2021–2026)

Emigrant Gap, Blue Canyon Nyack Airport (14.9 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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