French Creek Bay Weather Forecast

    • 45
    • 59

    Decreasing Clouds

    • 45
    • 62

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

    • 47
    • 66

    Partly Sunny

    • 48
    • 67

    Partly Sunny

    • 51
    • 69

    Partly Sunny

Today 21 Sep Jefferson

Some patchy fog in the Morning, otherwise mostly cloudy. Breezy with Highs Ranging from the mid 50s on the tug hill to around 60 across the lower Elevations. Northeast Winds 5 to 10 Mph.

Tonight 21 Sep Jefferson

Mostly cloudy. Lows Ranging from the lower 40s across the tug hill to the mid 40s along the lake Ontario shore. Northeast Winds 5 to 10 Mph.

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French Creek Bay Temperature Statistics

September Temperature

Watertown, Watertown International Airport (17.4 miles)

  • Lowest 12 September, 2026

    42.7 °F

  • Average September

    64.5 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (17.4 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.6 °F
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