Murphy Lake Weather Forecast

    • 68
    • 86

    Chance Thunderstorms

    • 62
    • 81

    Mostly Cloudy

    • 60
    • 79

    Partly Sunny

    • 63
    • 80

    Mostly Cloudy

    • 68
    • 82

    Chance Rain Showers

    • 64
    • 84

    Chance Rain Showers

Today 4 Sep Washington

Warm and humid. Partly sunny. Patchy fog in the morning. Chance of light Showers in the morning. Slight chance of light Showers and Thunderstorms late in the afternoon. Highs in the mid 80s. South Winds up to 5 Mph. Chance of precipitation 50 percent.

Tonight 4 Sep Washington

Partly cloudy through around midnight then becoming mostly cloudy. A 40 percent chance of light Showers and Thunderstorms. Lows in the mid 60s. North Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Murphy Lake Temperature Statistics

September Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 1 September, 2026

    73.4 °F

  • Average September

    77.8 °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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