Hahns Lake Weather Forecast

    • 48
    • 74

    Becoming Sunny

    • 59
    • 74

    Rain Showers Likely

    • 61
    • 71

    Rain Showers Likely

    • 48
    • 69

    Chance Rain Showers

    • 44
    • 65

    Mostly Sunny

    • 47
    • 65

    Partly Sunny

Today 28 Sep Jefferson

Sunny. Patchy fog in the morning. Highs in the mid 70s. Calm Winds becoming east up to 5 Mph in the afternoon.

Tonight 28 Sep Jefferson

Mostly clear. Lows in the upper 40s. Southeast 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 14 September, 2026

    40.8 °F

  • Average September

    64.6 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Watertown (3.7 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    53.8 °F
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