Friess Lake Weather Forecast

    • 23
    • 30

    Decreasing Clouds

    • 31
    • 39

    Partly Sunny

    • 23
    • 44

    Chance Rain/Snow

    • 13
    • 27

    Slight Chance Snow

    • 23
    • 27

    Chance Snow

    • 15
    • 31

    Chance Snow

Today 11 Jan Washington

Partly sunny. A 20 percent chance of light snow in the morning. Highs around 30. Northwest Winds 10 to 20 Mph.

Tonight 11 Jan Washington

Mostly cloudy through around midnight then becoming partly cloudy. Near steady temperature in the mid 20s. Southwest Winds 5 to 15 Mph.

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Friess Lake Temperature Statistics

January Temperature

Waukesha County Airport (13.7 miles)

  • Lowest 1 January, 2026

    8.6 °F

  • Average January

    26.9 °F

  • Highest 8 January, 2026

    55.4 °F

Climate (2021–Present)

Waukesha County Airport (13.7 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    56.4 °F
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