McConville Lake Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 59
    • 75

    Mostly Cloudy

    • 59
    • 73

    Chance Rain Showers

    • 58
    • 73

    Chance Rain Showers

Today 16 Sep Washington

Sunny. Highs in the lower 80s. Southeast Winds up to 10 Mph.

Tonight 16 Sep Washington

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

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  • Temperature Real-Time

McConville Lake Temperature Statistics

September Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    57.9 °F

  • Highest 12 September, 2025

    80.6 °F

Climate (2020–Present)

Waukesha County Airport (13.7 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    45.7 °F

  • Average High 2020–2025

    56.2 °F
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