Lake of the Isles Weather Forecast

    • 61
    • 71

    Slight Chance Rain Showers

    • 57
    • 76

    Mostly Cloudy

    • 55
    • 72

    Rain Showers Likely

    • 53
    • 72

    Chance Rain Showers

    • 52
    • 69

    Chance Rain Showers

    • 50
    • 68

    Chance Rain Showers

Today 15 Sep Jefferson

Partly sunny. Highs Ranging from the mid 60s on the tug hill to around 70 across the lower Elevations. Light Winds, becoming south 10 to 15 Mph.

Tonight 15 Sep Jefferson

Mostly cloudy with a 30 percent chance of Showers. Breezy, warmer with Lows Ranging from the mid 50s on the tug hill to around 60 across the lower Elevations. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake of the Isles Temperature Statistics

September Temperature

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

  • Lowest 11 September, 2026

    48.2 °F

  • Average September

    66.8 °F

  • Highest 2 September, 2026

    82.2 °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

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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