McConville Lake Weather Forecast

    • 61
    • 78

    Mostly Sunny

    • 55
    • 80

    Partly Sunny

    • 53
    • 71

    Chance Rain Showers

    • 61
    • 73

    Rain Showers

    • 54
    • 73

    Chance Rain Showers

    • 55
    • 67

    Chance Rain Showers

Today 11 Sep Washington

Sunny. Highs in the upper 70s. South Winds up to 10 Mph.

Tonight 11 Sep Washington

Partly cloudy. Lows around 60. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McConville Lake Temperature Statistics

September Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 6 September, 2026

    59 °F

  • Average September

    71.6 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Waukesha County Airport (13.7 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    56.6 °F
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