Grass River Weather Forecast

    • 16
    • 22

    Chance Snow Showers

    • 10
    • 32

    Snow

    • 5
    • 17

    Chance Snow

    • 9
    • 18

    Snow Likely

    • 7
    • 24

    Snow Likely

    • -4
    • 15

    Chance Snow

Today 9 Dec Southeastern St. Lawrence

Partly sunny this Morning, then mostly cloudy with a slight chance of snow Showers this afternoon. Highs in the lower 20s. Light and variable Winds, becoming south around 10 Mph this afternoon. Chance of snow 20 percent.

Tonight 9 Dec Southeastern St. Lawrence

Cloudy with a 50 percent chance of snow Showers. Little or no snow accumulation. Lows around 16. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Grass River Temperature Statistics

December Temperature

Saranac Lake, Adirondack Regional Airport (27.3 miles)

  • Lowest 5 December, 2025

    -20 °F

  • Average December

    15.8 °F

  • Highest 1 December, 2025

    28.9 °F

Climate (2020–Present)

Saranac Lake, Adirondack Regional Airport (27.3 miles)

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  • Average Low 2020–2025

    31.2 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    53.5 °F
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