Gravely Bay Weather Forecast

    • 62
    • 71

    Becoming Sunny

    • 65
    • 72

    Partly Sunny

    • 67
    • 73

    Mostly Cloudy

    • 66
    • 75

    Rain Showers Likely

    • 58
    • 69

    Slight Chance Rain Showers

    • 59
    • 66

    Mostly Sunny

Today 6 Sep Jefferson

Some patchy fog Early, otherwise becoming mostly sunny. Highs Ranging from the upper 60s on the tug hill to the lower 70s across the lower Elevations. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Jefferson

Mainly clear with Areas of fog developing. Lows Ranging from around 50 across the tug hill to the mid 50s along the lake Ontario shore. Light north Winds.

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Gravely Bay Temperature Statistics

September Temperature

Watertown, Watertown International Airport (16.8 miles)

  • Lowest 2 September, 2026

    62.7 °F

  • Average September

    72.3 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (16.8 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.6 °F
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