Friess Lake Weather Forecast

    • 49
    • 61

    Mostly Cloudy

    • 44
    • 59

    Rain Showers

    • 32
    • 54

    Breezy

    • 39
    • 57

    Sunny

    • 46
    • 63

    Partly Sunny

    • 45
    • 65

    Partly Sunny

Today 14 Oct Washington

Cooler. Mostly cloudy. Highs in the lower 60s. Northeast Winds 5 to 10 Mph.

Tonight 14 Oct Washington

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Friess Lake Temperature Statistics

October Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 3 October, 2026

    41 °F

  • Average October

    58.2 °F

  • Highest 10 October, 2026

    80.6 °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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