Pewaukee Weather Forecast

    • 72
    • 83

    Decreasing Clouds

    • 76
    • 94

    Mostly Sunny

    • 76
    • 94

    Mostly Sunny

    • 69
    • 94

    Chance Thunderstorms

    • 61
    • 82

    Rain Showers Likely

    • 65
    • 83

    Rain Showers Likely

    • 62
    • 81

    Rain Showers Likely

Today 20 Jun Waukesha

Partly sunny. South Winds 10 to 15 Mph.

Tonight 20 Jun Waukesha

Partly cloudy. Lows in the lower 70s. South Winds 10 to 15 Mph.

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  • Temperature Real-Time

Pewaukee Temperature Statistics

June Temperature

Waukesha County Airport (1.2 miles)

  • Lowest 1 June, 2025

    39.2 °F

  • Average June

    63 °F

  • Highest 17 June, 2025

    87.8 °F

Climate (2020–Present)

Waukesha County Airport (1.2 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    56.2 °F
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