Frenchman Island Weather Forecast

    • 52
    • 65

    Chance Rain Showers

    • 41
    • 57

    Chance Rain Showers

    • 43
    • 55

    Mostly Sunny

    • 52
    • 66

    Slight Chance Rain Showers

    • 49
    • 65

    Partly Sunny

    • 48
    • 64

    Partly Sunny

Today 4 Oct Oswego

Mostly sunny in the Morning, then becoming mostly cloudy. Highs Ranging from the lower 60s on the tug hill to the mid 60s across the lower Elevations. Southeast Winds 5 to 10 Mph, becoming south.

Tonight 4 Oct Oswego

Mostly cloudy. A chance of Showers in the Evening, then Showers likely overnight. Lows Ranging from the lower 40s on the tug hill to the upper 40s across the lower Elevations. South Winds 10 Mph or Less, becoming west. Chance of rain 70 percent.

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Frenchman Island Temperature Statistics

October Temperature

Syracuse, Syracuse Hancock International Airport (7.5 miles)

  • Lowest 1 October, 2026

    62.1 °F

  • Average October

    67.5 °F

  • Highest 1 October, 2026

    73.9 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (7.5 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.6 °F
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