Mary Island State Park Weather Forecast

    • 31
    • 33

    Snow Showers Likely

    • 36
    • 39

    Rain/Snow

    • 12
    • 39

    Rain/Snow

    • 8
    • 16

    Slight Chance Snow Showers

    • 15
    • 22

    Chance Snow Showers

    • 19
    • 31

    Chance Snow Showers

Today 12 Jan Jefferson

Snow Showers likely Early, then lake effect snow and Areas of blowing snow from late morning on. Accumulation in the most persistent Snows Ranging from 2 to 4 Inches across the lower Elevations to 4 to 6 Inches on the tug hill. Windy with Highs Ranging from the upper 20s on the tug hill to the lower 30s across the lower Elevations. Southwest Winds 5 to 10 Mph, increasing to 15 to 30 Mph. Chance of snow near 100 percent.

Tonight 12 Jan Jefferson

Lake effect snow. Additional accumulation in the most persistent Snows Ranging from up to 2 Inches across the lower Elevations to 3 to 5 Inches on the tug hill. Lows in the upper 20s. Southwest Winds 10 to 20 Mph with Gusts up to 30 Mph in the Evening, Diminishing to 5 to 10 Mph. Chance of snow near 100 percent.

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Mary Island State Park Temperature Statistics

January Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (23.6 miles)

  • Lowest 4 January, 2026

    3.4 °F

  • Average January

    24.4 °F

  • Highest 9 January, 2026

    49.1 °F

Climate (2021–Present)

Fort Drum / Wheeler-Sack U. S. Army Airfield (23.6 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    56.1 °F
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