Frenchman Island Weather Forecast

    • 60
    • 77

    Increasing Clouds

    • 67
    • 79

    Rain Showers

    • 62
    • 76

    Slight Chance Rain Showers

    • 62
    • 77

    Mostly Sunny

    • 64
    • 79

    Rain Showers Likely

    • 58
    • 74

    Slight Chance Thunderstorms

Today 15 Aug Oswego

Sunny. Highs Ranging from the lower 70s on the tug hill to the upper 70s across the lower Elevations. Light north Winds.

Tonight 15 Aug Oswego

Mainly clear. Lows Ranging from the lower 50s on the tug hill to the mid 50s across the lower Elevations. Light east Winds.

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Frenchman Island Temperature Statistics

August Temperature

Syracuse, Syracuse Hancock International Airport (7.5 miles)

  • Lowest 4 August, 2026

    58.6 °F

  • Average August

    74.6 °F

  • Highest 5 August, 2026

    91.7 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (7.5 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.6 °F
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