Lake of the Isles Weather Forecast

    • 62
    • 81

    Decreasing Clouds

    • 63
    • 84

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

    • 65
    • 83

    Rain Showers Likely

    • 60
    • 82

    Chance Rain Showers

    • 61
    • 82

    Mostly Sunny

Today 6 Jul Jefferson

Cloudy. Highs Ranging from the upper 70s on the tug hill to the lower 80s across the lower Elevations. Light east Winds.

Tonight 6 Jul Jefferson

Mostly cloudy. Lows Ranging from the upper 50s across the tug hill to the lower 60s along the lake Ontario shore. Light southeast Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake of the Isles Temperature Statistics

July Temperature

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

  • Lowest 4 July, 2026

    63.5 °F

  • Average July

    77.8 °F

  • Highest 1 July, 2026

    90 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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