Three Mile Bay Weather Forecast

    • 45
    • 65

    Decreasing Clouds

    • 49
    • 68

    Mostly Sunny

    • 58
    • 70

    Mostly Cloudy

    • 57
    • 74

    Mostly Cloudy

    • 46
    • 67

    Slight Chance Rain Showers

    • 44
    • 63

    Partly Sunny

Today 28 Sep Jefferson

Mostly cloudy. Highs in the mid 60s. Light Winds, becoming northeast 5 to 10 Mph.

Tonight 28 Sep Jefferson

Mostly cloudy. Lows in the upper 40s. Light northeast Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Mile Bay Temperature Statistics

September Temperature

Watertown, Watertown International Airport (10.6 miles)

  • Lowest 24 September, 2026

    35.7 °F

  • Average September

    61 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (10.6 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.5 °F
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