Lyon Lake Weather Forecast

    • 35
    • 61

    Becoming Sunny

    • 40
    • 62

    Mostly Sunny

    • 51
    • 68

    Partly Sunny

    • 55
    • 70

    Chance Rain Showers

    • 53
    • 70

    Chance Rain Showers

    • 50
    • 70

    Chance Rain Showers

Today 19 Sep Northern Herkimer

Partly sunny in the Morning, then clearing. Cooler with Highs in the mid 60s. North Winds around 5 Mph.

Tonight 19 Sep Northern Herkimer

Mostly clear. Patchy frost after midnight. Cooler with Lows in the lower 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lyon Lake Temperature Statistics

September Temperature

Saranac Lake, Adirondack Regional Airport (50.3 miles)

  • Lowest 8 September, 2025

    35.1 °F

  • Average September

    57.5 °F

  • Highest 4 September, 2025

    77 °F

Climate (2020–Present)

Saranac Lake, Adirondack Regional Airport (50.3 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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