Murphy Lake Weather Forecast

    • 59
    • 82

    Becoming Sunny

    • 57
    • 80

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 66
    • 81

    Chance Rain Showers

    • 67
    • 83

    Chance Rain Showers

    • 65
    • 84

    Slight Chance Thunderstorms

Today 26 Aug Washington

Mostly sunny. A 20 percent chance of light Showers in the morning. Highs in the lower 80s. West Winds 5 to 15 Mph.

Tonight 26 Aug Washington

Clear. Lows in the upper 50s. Northwest Winds up to 10 Mph.

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Murphy Lake Temperature Statistics

August Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 20 August, 2026

    55.4 °F

  • Average August

    70.7 °F

  • Highest 16 August, 2026

    86 °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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