Friess Lake Weather Forecast

    • 43
    • 67

    Chance Rain Showers

    • 42
    • 63

    Partly Sunny

    • 46
    • 61

    Partly Sunny

    • 49
    • 65

    Rain Showers

    • 43
    • 61

    Partly Sunny

    • 41
    • 61

    Partly Sunny

Today 24 Apr Washington

Cooler. Mostly cloudy late in the morning and early afternoon then becoming mostly sunny. A 40 percent chance of light Showers late in the morning and early afternoon. Near steady temperature in the mid 60s. West Winds 10 to 15 Mph.

Tonight 24 Apr Washington

Colder. Partly cloudy. Lows in the mid 40s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Friess Lake Temperature Statistics

April Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    45.9 °F

  • Highest 17 April, 2026

    77 °F

Climate (2021–Present)

Waukesha County Airport (13.7 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    56.6 °F
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