Hahns Lake Weather Forecast

    • 69
    • 96

    Mostly Sunny

    • 70
    • 96

    Mostly Sunny

    • 68
    • 93

    Mostly Sunny

    • 68
    • 92

    Chance Rain Showers

    • 66
    • 89

    Slight Chance Thunderstorms

    • 63
    • 85

    Slight Chance Thunderstorms

Today 14 Jul Jefferson

Hot, sunny. Highs in the mid 90s. West Winds up to 5 Mph. Highest heat index Readings 96 to 101 in the late morning and afternoon.

Tonight 14 Jul Jefferson

Mostly clear. Lows around 70. West Winds up to 5 Mph. Highest heat index Readings 95 to 99 in the evening.

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Hahns Lake Temperature Statistics

July Temperature

Watertown (3.7 miles)

  • Lowest 7 July, 2026

    53.2 °F

  • Average July

    75.1 °F

  • Highest 1 July, 2026

    91.6 °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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