Hahns Lake Weather Forecast

    • 47
    • 63

    Partly Sunny

    • 47
    • 66

    Partly Sunny

    • 47
    • 65

    Mostly Cloudy

    • 46
    • 66

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 51
    • 68

    Mostly Cloudy

Today 22 Sep Jefferson

Partly sunny. Highs in the lower 60s. Northeast Winds 5 to 15 Mph.

Tonight 22 Sep Jefferson

Mostly clear. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Hahns Lake Temperature Statistics

September Temperature

Watertown (3.7 miles)

  • Lowest 14 September, 2026

    40.8 °F

  • Average September

    67.4 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Watertown (3.7 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    53.8 °F
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