Lake of the Isles Weather Forecast

    • 33
    • 60

    Sunny

    • 37
    • 57

    Sunny

    • 33
    • 56

    Partly Sunny

    • 33
    • 52

    Mostly Sunny

    • 38
    • 53

    Mostly Sunny

    • 46
    • 58

    Partly Sunny

Today 20 Oct Jefferson

Sunny. Highs around 60. Northeast Winds 5 to 10 Mph, becoming north 10 to 15 Mph.

Tonight 20 Oct Jefferson

Clear with widespread frost developing overnight. Lows Ranging from the lower 30s across the tug hill to the mid 30s along the lake Ontario shore. Light northeast Winds.

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Lake of the Isles Temperature Statistics

October Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (23 miles)

  • Lowest 17 October, 2026

    32.4 °F

  • Average October

    52.9 °F

  • Highest 1 October, 2026

    70.9 °F

Climate (2021–2026)

Fort Drum / Wheeler-Sack U. S. Army Airfield (23 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55.8 °F
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