Lake of the Isles Weather Forecast

    • 31
    • 52

    Becoming Sunny

    • 54
    • 63

    Rain Showers

    • 45
    • 66

    Rain Showers

    • 40
    • 57

    Chance Rain Showers

    • 39
    • 60

    Partly Sunny

    • 44
    • 62

    Slight Chance Rain Showers

Today 30 Apr Jefferson

Sunny, cool with Highs Ranging from the mid 40s on the tug hill to around 50 across the lower Elevations. Northwest Winds 5 to 10 Mph, becoming west.

Tonight 30 Apr Jefferson

Partly cloudy. Lows Ranging from around 30 across the tug hill to the mid 30s along the lake Ontario shore. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake of the Isles Temperature Statistics

April Temperature

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

  • Lowest 9 April, 2025

    12.6 °F

  • Average April

    43.5 °F

  • Highest 18 April, 2025

    70.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    48.1 °F

  • Average High 2020–2025

    56.2 °F
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