Hahns Lake Weather Forecast

    • 57
    • 81

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 68
    • 82

    Rain Showers

    • 57
    • 82

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 60
    • 81

    Chance Rain Showers

Today 6 Sep Jefferson

Mostly sunny. East Winds 5 to 10 Mph.

Tonight 6 Sep Jefferson

Partly cloudy. Lows in the upper 50s. East Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hahns Lake Temperature Statistics

September Temperature

Watertown (3.7 miles)

  • Lowest 1 September, 2026

    67.6 °F

  • Average September

    75.6 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Watertown (3.7 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    53.9 °F
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