Friess Lake Weather Forecast

    • 68
    • 83

    Rain Showers Likely

    • 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 20 Jul Washington

Mostly sunny. Southwest Winds around 15 Mph with Gusts to around 30 Mph.

Tonight 20 Jul Washington

Warmer. Mostly cloudy in the evening then becoming partly cloudy. Showers and Thunderstorms likely in the Evening, then slight chance of Thunderstorms late in the evening. Some Thunderstorms may be severe. Lows in the upper 60s. West Winds 10 to 15 Mph. Gusts up to 35 Mph through around midnight. Chance of precipitation 70 percent.

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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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