Tupper Lake Weather Forecast

    • 45
    • 78

    Chance Rain Showers

    • 33
    • 62

    Partly Sunny

    • 30
    • 63

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

    • 55
    • 75

    Chance Rain Showers

    • 54
    • 75

    Chance Rain Showers

Today 18 Sep Southern Franklin

Patchy dense fog this morning. Mostly sunny. Highs in the mid 70s. West Winds around 10 Mph.

Tonight 18 Sep Southern Franklin

Partly cloudy with a slight chance of Showers until Midnight, then cloudy after midnight. Lows in the mid 40s. Northwest Winds around 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

September Temperature

Saranac Lake, Adirondack Regional Airport (17.4 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 (17.4 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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