Friess Lake Weather Forecast

    • 53
    • 79

    Increasing Clouds

    • 54
    • 75

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 67
    • 91

    Chance Rain Showers

Today 21 Jul Washington

Sunny in the morning then becoming partly sunny. Highs in the upper 70s. Northwest Winds 10 to 20 Mph.

Tonight 21 Jul Washington

Cooler. Mostly clear. Lows in the mid 50s. North Winds 5 to 15 Mph.

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  • Temperature Real-Time

Friess Lake Temperature Statistics

July Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 7 July, 2026

    59 °F

  • Average July

    76.4 °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

    56.7 °F
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