Friess Lake Weather Forecast

    • 59
    • 81

    Becoming Sunny

    • 62
    • 84

    Mostly Sunny

    • 66
    • 87

    Partly Sunny

    • 65
    • 83

    Chance Thunderstorms

    • 62
    • 79

    Chance Thunderstorms

    • 60
    • 82

    Mostly Sunny

Today 28 Jul Washington

Sunny. Highs around 80. Northeast Winds 5 to 15 Mph.

Tonight 28 Jul Washington

Clear. Lows in the upper 50s. Northeast Winds up to 5 Mph.

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Friess Lake Temperature Statistics

July Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 22 July, 2026

    53.6 °F

  • Average July

    75.4 °F

  • Highest 14 July, 2026

    96.8 °F

Climate (2021–2026)

Waukesha County Airport (13.7 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    56.6 °F
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