Frenchman Island Weather Forecast

    • 45
    • 62

    Increasing Clouds

    • 35
    • 62

    Partly Sunny

    • 33
    • 51

    Mostly Sunny

    • 46
    • 58

    Partly Sunny

    • 50
    • 66

    Partly Sunny

    • 46
    • 63

    Partly Sunny

Today 25 Oct Oswego

Sunny. Highs Ranging from the upper 50s on the tug hill to the lower 60s across the lower Elevations. Light south Winds.

Tonight 25 Oct Oswego

Partly cloudy. Lows Ranging from around 40 across the tug hill to the mid 40s along the lake Ontario shore. Light Winds.

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Frenchman Island Temperature Statistics

October Temperature

Syracuse, Syracuse Hancock International Airport (7.5 miles)

  • Lowest 18 October, 2026

    32 °F

  • Average October

    54.6 °F

  • Highest 2 October, 2026

    75.7 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (7.5 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    60.5 °F
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