Grass Lake Weather Forecast

    • 12
    • 34

    Chance Snow Showers

    • 4
    • 20

    Snow Likely

    • 3
    • 15

    Slight Chance Snow Showers

    • 23
    • 30

    Snow Showers

    • 19
    • 35

    Rain/Snow

    • 10
    • 27

    Snow Showers Likely

Today 6 Dec Southwestern St. Lawrence

Mostly cloudy with scattered snow Showers. Snow accumulation up to 1 inch possible. Highs in the lower 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 50 percent.

Tonight 6 Dec Southwestern St. Lawrence

Mostly cloudy with a chance of snow Showers until Midnight, then partly cloudy after midnight. Little or no snow accumulation. Lows around 9 above. Southwest Winds around 10 Mph, becoming north after midnight. Chance of snow 40 percent.

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Grass Lake Temperature Statistics

December Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (19.9 miles)

  • Lowest 4 December, 2025

    -0.2 °F

  • Average December

    22.7 °F

  • Highest 1 December, 2025

    33.4 °F

Climate (2020–Present)

Fort Drum / Wheeler-Sack U. S. Army Airfield (19.9 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    56.1 °F
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