Lake Mills Weather Forecast

    • 70
    • 94

    Sunny

    • 69
    • 95

    Smoke

    • 68
    • 90

    Smoke

    • 70
    • 90

    Chance Thunderstorms

    • 66
    • 90

    Slight Chance Thunderstorms

    • 66
    • 87

    Partly Sunny

    • 65
    • 87

    Chance Rain Showers

Today 14 Jul Jefferson

Sunny. Heat index Readings 95 to 100. West Winds around 5 Mph.

Tonight 14 Jul Jefferson

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

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Lake Mills Temperature Statistics

July Temperature

Watertown (11.2 miles)

  • Lowest 7 July, 2026

    53.2 °F

  • Average July

    75 °F

  • Highest 1 July, 2026

    91.6 °F

Climate (2021–2026)

Watertown (11.2 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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