Frenchman Island Weather Forecast

    • 7
    • 21

    Partly Sunny

    • 26
    • 31

    Rain/Snow

    • 25
    • 38

    Rain/Snow

    • 21
    • 30

    Snow Showers Likely

    • 20
    • 30

    Snow Showers

    • 17
    • 26

    Snow Showers

Today 8 Dec Oswego

Sunny, cold with Highs Ranging from 10 to 15 on the tug hill to 20 to 25 across the lower Elevations. Light Winds.

Tonight 8 Dec Oswego

Partly cloudy and cold with Lows Ranging from zero to 5 below across the tug hill to 5 to 10 above along the lake Ontario shore. Light southeast Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Frenchman Island Temperature Statistics

December Temperature

Syracuse, Syracuse Hancock International Airport (7.5 miles)

  • Lowest 5 December, 2025

    5 °F

  • Average December

    23.7 °F

  • Highest 1 December, 2025

    35.1 °F

Climate (2020–Present)

Syracuse, Syracuse Hancock International Airport (7.5 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    60.8 °F
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