Mary Island State Park Weather Forecast

    • 61
    • 77

    Mostly Sunny

    • 65
    • 80

    Rain Showers Likely

    • 60
    • 73

    Rain Showers

    • 59
    • 70

    Rain Showers

    • 60
    • 73

    Partly Sunny

    • 62
    • 76

    Slight Chance Rain Showers

    • 64
    • 78

    Chance Rain Showers

Today 21 Aug Jefferson

Sunny. Highs in the upper 70s. Light Winds, becoming north 5 to 10 Mph.

Tonight 21 Aug Jefferson

Mainly clear and breezy. Lows Ranging from the mid 50s across the tug hill to around 60 along the lake Ontario shore. Light Winds, becoming southeast 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mary Island State Park Temperature Statistics

August Temperature

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

  • Lowest 16 August, 2026

    54.1 °F

  • Average August

    71 °F

  • Highest 5 August, 2026

    86.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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