Koepmier Lake Weather Forecast

    • 55
    • 83

    Decreasing Clouds

    • 49
    • 68

    Chance Rain Showers

    • 60
    • 68

    Rain Showers Likely

    • 57
    • 78

    Rain Showers Likely

    • 57
    • 71

    Rain Showers Likely

    • 54
    • 72

    Slight Chance Thunderstorms

Today 12 Sep Milwaukee

Partly sunny. Highs in the lower 80s. West Winds 5 to 15 Mph.

Tonight 12 Sep Milwaukee

Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Koepmier Lake Temperature Statistics

September Temperature

Milwaukee, General Mitchell International Airport (5 miles)

  • Lowest 7 September, 2026

    60.7 °F

  • Average September

    74.4 °F

  • Highest 2 September, 2026

    90.6 °F

Climate (2021–2026)

Milwaukee, General Mitchell International Airport (5 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59 °F
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