Lake Mills Weather Forecast

    • 49
    • 68

    Increasing Clouds

    • 59
    • 67

    Rain Showers

    • 49
    • 70

    Mostly Cloudy

    • 57
    • 65

    Rain Showers Likely

    • 56
    • 70

    Rain Showers Likely

    • 58
    • 69

    Rain Showers Likely

    • 54
    • 70

    Slight Chance Rain Showers

Today 13 Sep Winnebago

Mostly sunny. Near steady temperature in the upper 60s. Northwest Winds around 5 Mph.

Tonight 13 Sep Winnebago

Mostly clear. Lows in the upper 40s. South Winds around 5 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mills Temperature Statistics

September Temperature

Forest City Municipal Airport (13 miles)

  • Lowest 10 September, 2026

    50 °F

  • Average September

    71.6 °F

  • Highest 4 September, 2026

    89.6 °F

Climate (2021–2026)

Forest City Municipal Airport (13 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    57.3 °F
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