Adirondack Lake Weather Forecast

    • 49
    • 77

    Increasing Clouds

    • 31
    • 65

    Mostly Sunny

    • 36
    • 65

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

    • 52
    • 74

    Mostly Cloudy

    • 53
    • 78

    Chance Rain Showers

Today 18 Sep Hamilton

Sunny. Highs in the upper 70s. Light and variable Winds, becoming west around 5 Mph in the afternoon.

Tonight 18 Sep Hamilton

Mostly cloudy. Near steady temperature in the mid 40s. Light and variable Winds.

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Adirondack Lake Temperature Statistics

September Temperature

Saranac Lake, Adirondack Regional Airport (41.6 miles)

  • Lowest 8 September, 2025

    35.1 °F

  • Average September

    57.2 °F

  • Highest 4 September, 2025

    77 °F

Climate (2020–Present)

Saranac Lake, Adirondack Regional Airport (41.6 miles)

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  • Average Low 2020–2025

    31.2 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    53.6 °F
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