Lake Mills Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 64
    • 87

    Partly Sunny

    • 64
    • 80

    Rain Showers Likely

    • 61
    • 80

    Slight Chance Thunderstorms

    • 59
    • 81

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

Today 28 Jul Jefferson

Sunny. Northeast Winds 5 to 10 Mph.

Tonight 28 Jul Jefferson

Clear. Lows in the upper 50s. East Winds up to 5 Mph.

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Lake Mills Temperature Statistics

July Temperature

Watertown (11.2 miles)

  • Lowest 23 July, 2026

    47.8 °F

  • Average July

    74.5 °F

  • Highest 14 July, 2026

    95.4 °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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