Friess Lake Weather Forecast

    • 47
    • 63

    Rain Showers Likely

    • 42
    • 60

    Mostly Cloudy

    • 37
    • 55

    Slight Chance Rain Showers

    • 34
    • 54

    Mostly Cloudy

    • 33
    • 50

    Partly Sunny

    • 38
    • 56

    Partly Sunny

    • 44
    • 63

    Partly Sunny

Today 27 Apr Washington

Cloudy. Light rain Showers likely and chance of Thunderstorms early in the Afternoon, then chance of light rain Showers and Thunderstorms late in the afternoon. Highs in the lower 60s. Southeast Winds 15 to 20 Mph with Gusts to around 35 Mph. Chance of precipitation 70 percent.

Tonight 27 Apr Washington

Cloudy. Chance of Thunderstorms in the evening. Rain Showers likely through around Midnight, then slight chance of light rain Showers after midnight. Lows in the upper 40s. Southwest Winds 10 to 15 Mph shifting to the west 15 to 20 Mph after midnight. Chance of precipitation 60 percent.

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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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