Frenchman Island Weather Forecast

    • 37
    • 52

    Chance Rain Showers

    • 39
    • 52

    Chance Rain Showers

    • 43
    • 56

    Chance Rain Showers

    • 40
    • 59

    Rain Showers Likely

    • 38
    • 52

    Slight Chance Rain Showers

    • 39
    • 53

    Mostly Cloudy

Today 7 May Oswego

Sunny, cool with Highs Ranging from the mid 40s on the tug hill to the lower 50s across the lower Elevations. Light Winds, becoming west 5 to 10 Mph.

Tonight 7 May Oswego

Partly cloudy with widespread frost developing. Lows Ranging from the mid 30s across the tug hill to the upper 30s along the lake Ontario shore. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Frenchman Island Temperature Statistics

May Temperature

Syracuse, Syracuse Hancock International Airport (7.5 miles)

  • Lowest 1 May, 2026

    35.7 °F

  • Average May

    49.7 °F

  • Highest 4 May, 2026

    73 °F

Climate (2021–Present)

Syracuse, Syracuse Hancock International Airport (7.5 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.7 °F
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