Frenchman Island Weather Forecast

    • 52
    • 68

    Decreasing Clouds

    • 54
    • 71

    Partly Sunny

    • 54
    • 67

    Rain Showers

    • 54
    • 70

    Partly Sunny

    • 55
    • 72

    Partly Sunny

    • 56
    • 73

    Rain Showers Likely

Today 20 Jun Oswego

Cloudy in the Morning, then becoming partly sunny. Highs Ranging from the lower 60s on the tug hill to the upper 60s across the lower Elevations. West Winds 10 to 15 Mph.

Tonight 20 Jun Oswego

Mostly cloudy with a 50 percent chance of Showers. Lows Ranging from the lower 50s on the tug hill to the upper 50s across the lower Elevations. West Winds 10 to 15 Mph.

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  • Temperature Real-Time

Frenchman Island Temperature Statistics

June Temperature

Syracuse, Syracuse Hancock International Airport (7.5 miles)

  • Lowest 1 June, 2026

    45.6 °F

  • Average June

    69.4 °F

  • Highest 11 June, 2026

    91.7 °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

    51.6 °F

  • Average High 2021–2026

    60.6 °F
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