Flynn Bay Weather Forecast

    • 57
    • 74

    Decreasing Clouds

    • 48
    • 68

    Partly Sunny

    • 52
    • 64

    Rain Showers Likely

    • 50
    • 65

    Partly Sunny

    • 51
    • 65

    Mostly Cloudy

    • 53
    • 68

    Chance Rain Showers

Today 17 Sep Jefferson

Mostly cloudy in the Morning, then becoming partly sunny. A 40 percent chance of Showers. Highs in the mid 70s. Light northeast Winds.

Tonight 17 Sep Jefferson

Partly cloudy. Lows in the lower 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flynn Bay Temperature Statistics

September Temperature

Watertown, Watertown International Airport (18.6 miles)

  • Lowest 12 September, 2026

    42.7 °F

  • Average September

    65.3 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (18.6 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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