Murphy Lake Weather Forecast

    • 69
    • 80

    Mostly Cloudy

    • 57
    • 78

    Chance Rain Showers

    • 55
    • 75

    Mostly Sunny

    • 61
    • 77

    Partly Sunny

    • 57
    • 79

    Slight Chance Rain Showers

    • 57
    • 75

    Mostly Cloudy

Today 8 Sep Washington

Mostly cloudy. Slight chance of light Showers early in the afternoon. Slight chance of light Showers and Thunderstorms late in the afternoon. Highs around 80. South Winds up to 10 Mph. Chance of precipitation 20 percent.

Tonight 8 Sep Washington

Mostly cloudy. Near steady temperature in the lower 60s. South Winds up to 5 Mph.

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Murphy Lake Temperature Statistics

September Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 5 September, 2026

    64.4 °F

  • Average September

    74.7 °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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