Lucky Star Lake Weather Forecast

    • 42
    • 66

    Mostly Cloudy

    • 46
    • 64

    Partly Sunny

    • 45
    • 62

    Chance Rain Showers

    • 44
    • 61

    Mostly Cloudy

    • 44
    • 62

    Slight Chance Rain Showers

    • 45
    • 64

    Chance Rain Showers

Today 18 Sep Jefferson

Mostly sunny. Highs in the mid 60s. North Winds 5 to 10 Mph.

Tonight 18 Sep Jefferson

Partly to mostly cloudy. Cooler with Lows Ranging from the lower 40s across the tug hill to the mid 40s along the lake Ontario shore. Light northeast Winds.

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Lucky Star Lake Temperature Statistics

September Temperature

Watertown, Watertown International Airport (9.9 miles)

  • Lowest 12 September, 2026

    42.7 °F

  • Average September

    64.8 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (9.9 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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