Frenchman Island Weather Forecast

    • 59
    • 81

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 71
    • 88

    Slight Chance Thunderstorms

    • 64
    • 82

    Partly Sunny

    • 62
    • 80

    Partly Sunny

Today 11 Jul Oswego

Mostly sunny. Highs Ranging from the upper 70s on the tug hill to the mid 80s across the lower Elevations. Light Winds, becoming northwest 10 to 15 Mph.

Tonight 11 Jul Oswego

Mainly clear. Lows Ranging from the upper 50s across the tug hill to the mid 60s along the lake Ontario shore. North Winds 5 to 10 Mph, becoming light.

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Frenchman Island Temperature Statistics

July Temperature

Syracuse, Syracuse Hancock International Airport (7.5 miles)

  • Lowest 8 July, 2026

    62.1 °F

  • Average July

    78.1 °F

  • Highest 1 July, 2026

    96.7 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (7.5 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.6 °F
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