Lake Mills Weather Forecast

    • 65
    • 81

    Slight Chance Thunderstorms

    • 63
    • 83

    Chance Rain Showers

    • 60
    • 78

    Chance Rain Showers

    • 61
    • 77

    Rain Showers

    • 66
    • 79

    Rain Showers Likely

    • 61
    • 81

    Partly Sunny

    • 59
    • 78

    Partly Sunny

Today 11 Aug Jefferson

Partly sunny with a 20 percent chance of light Showers and Thunderstorms. Southeast Winds up to 5 Mph.

Tonight 11 Aug Jefferson

Partly cloudy with a 20 percent chance of light Showers until early Morning, then mostly cloudy early in the morning. Areas of fog after midnight. Lows in the mid 60s. Southeast Winds up to 5 Mph through around midnight becoming calm.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mills Temperature Statistics

August Temperature

Watertown (11.2 miles)

  • Lowest 3 August, 2026

    52.9 °F

  • Average August

    69.9 °F

  • Highest 7 August, 2026

    83.8 °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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