Hahns Lake Weather Forecast

    • 70
    • 92

    Chance Thunderstorms

    • 67
    • 92

    Chance Thunderstorms

    • 59
    • 85

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 63
    • 87

    Chance Rain Showers

    • 64
    • 86

    Chance Rain Showers

Today 26 Jul Jefferson

Very warm and humid. Partly sunny. Highs in the lower 90s. Southwest Winds up to 10 Mph. Highest heat index Readings 97 to 102 in the late morning and afternoon.

Tonight 26 Jul Jefferson

Partly cloudy through around midnight then becoming mostly cloudy. Slight chance of light Showers through around midnight. Chance of Thunderstorms through the night. Light Showers likely after midnight. Lows around 70. Southwest Winds up to 10 Mph. Chance of precipitation 70 percent. Highest heat index Readings 95 to 100 in the evening.

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Hahns Lake Temperature Statistics

July Temperature

Watertown (3.7 miles)

  • Lowest 23 July, 2026

    47.8 °F

  • Average July

    74.7 °F

  • Highest 14 July, 2026

    95.4 °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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