Friess Lake Weather Forecast

    • 63
    • 79

    Increasing Clouds

    • 61
    • 81

    Slight Chance Thunderstorms

    • 59
    • 79

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

    • 65
    • 80

    Chance Rain Showers

    • 68
    • 82

    Chance Rain Showers

Today 25 Aug Washington

Sunny in the morning then becoming partly sunny. Highs around 80. Southwest Winds up to 10 Mph.

Tonight 25 Aug Washington

Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. A 50 percent chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Friess Lake Temperature Statistics

August Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 20 August, 2026

    55.4 °F

  • Average August

    71 °F

  • Highest 16 August, 2026

    86 °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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