Friess Lake Weather Forecast

    • 60
    • 79

    Rain Showers Likely

    • 57
    • 78

    Mostly Sunny

    • 60
    • 80

    Slight Chance Thunderstorms

    • 61
    • 79

    Chance Rain Showers

    • 57
    • 77

    Chance Rain Showers

    • 56
    • 74

    Partly Sunny

Today 18 Aug Washington

Partly sunny. Showers likely and chance of Thunderstorms in the afternoon. Highs around 80. West Winds 5 to 15 Mph. Chance of precipitation 60 percent.

Tonight 18 Aug Washington

Mostly cloudy in the evening then becoming partly cloudy. A 50 percent chance of light rain Showers and Thunderstorms through around midnight. Lows in the upper 50s. Northwest Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Friess Lake Temperature Statistics

August Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 3 August, 2026

    57.2 °F

  • Average August

    72.3 °F

  • Highest 4 August, 2026

    84.2 °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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