Lake Mills Weather Forecast

    • 55
    • 76

    Rain Showers

    • 54
    • 79

    Mostly Sunny

    • 63
    • 83

    Chance Rain Showers

    • 62
    • 86

    Slight Chance Thunderstorms

    • 59
    • 83

    Partly Sunny

    • 60
    • 82

    Slight Chance Thunderstorms

    • 60
    • 83

    Partly Sunny

Today 10 Sep Jefferson

Partly sunny. North Winds up to 5 Mph.

Tonight 10 Sep Jefferson

Partly cloudy. Patchy fog early in the morning. Lows in the mid 50s. Northeast Winds up to 5 Mph through around midnight becoming calm.

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Lake Mills Temperature Statistics

September Temperature

Watertown (11.2 miles)

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Climate (2020–Present)

Watertown (11.2 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    45.5 °F

  • Average High 2020–2025

    54.5 °F
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