Clear Lake Weather Forecast

    • 30
    • 45

    Mostly Sunny

    • 39
    • 54

    Mostly Sunny

    • 36
    • 58

    Mostly Sunny

    • 36
    • 60

    Mostly Sunny

    • 36
    • 57

    Mostly Sunny

    • 40
    • 59

    Partly Sunny

Today 17 Oct Jefferson

Sunny, cold with Highs Ranging from the lower 40s inland to the upper 40s along the lake Ontario shore. North Winds 10 to 15 Mph, becoming west 5 to 10 Mph.

Tonight 17 Oct Jefferson

Mainly clear. Lows Ranging from around 30 across the tug hill to the upper 30s along the lake Ontario shore. Light southwest Winds.

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Clear Lake Temperature Statistics

October Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (16.2 miles)

  • Lowest 6 October, 2026

    33.6 °F

  • Average October

    54.5 °F

  • Highest 1 October, 2026

    70.9 °F

Climate (2021–2026)

Fort Drum / Wheeler-Sack U. S. Army Airfield (16.2 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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