Tupper Lake Weather Forecast

    • 25
    • 29

    Chance Snow Showers

    • 5
    • 27

    Chance Snow Showers

    • 11
    • 24

    Mostly Cloudy

    • 15
    • 32

    Snow Showers Likely

    • 9
    • 25

    Chance Rain/Snow

    • 26
    • 36

    Rain/Snow Likely

Today 20 Dec Southeastern St. Lawrence

Partly sunny. Highs in the lower 30s. Southwest Winds 10 to 15 Mph, becoming south in the afternoon.

Tonight 20 Dec Southeastern St. Lawrence

Mostly cloudy with a 40 percent chance of snow Showers. Snow accumulation up to 1 inch possible. Breezy with Lows around 10 above. West Winds 20 to 25 Mph with Gusts up to 40 Mph.

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Tupper Lake Temperature Statistics

December Temperature

Saranac Lake, Adirondack Regional Airport (21.7 miles)

  • Lowest 9 December, 2025

    -20.9 °F

  • Average December

    15.6 °F

  • Highest 17 December, 2025

    36 °F

Climate (2020–Present)

Saranac Lake, Adirondack Regional Airport (21.7 miles)

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  • Average Low 2020–2025

    31.1 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    53.5 °F
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