Frenchman Island Weather Forecast

    • 54
    • 63

    Rain

    • 56
    • 65

    Mostly Cloudy

    • 55
    • 65

    Rain Showers

    • 48
    • 60

    Slight Chance Rain Showers

    • 47
    • 59

    Chance Rain Showers

    • 47
    • 60

    Rain Showers Likely

Today 11 Oct Oswego

Mostly cloudy. Rain in the afternoon. Highs Ranging from the upper 50s on the tug hill to the mid 60s across the lower Elevations. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 11 Oct Oswego

Rain, mild with Lows around 50. Southeast Winds 5 to 10 Mph, becoming light. Chance of rain 90 percent.

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Frenchman Island Temperature Statistics

October Temperature

Syracuse, Syracuse Hancock International Airport (7.5 miles)

  • Lowest 7 October, 2026

    37.9 °F

  • Average October

    57.6 °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

    42.5 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.6 °F
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