Hillendale Heights Weather Forecast

    • 46
    • 56

    Mostly Cloudy

    • 48
    • 65

    Rain Showers

    • 43
    • 62

    Mostly Cloudy

    • 37
    • 57

    Partly Sunny

    • 37
    • 56

    Mostly Cloudy

    • 35
    • 55

    Partly Sunny

Today 26 Apr Waukesha

Partly sunny. Highs around 60. East Winds 10 to 15 Mph.

Tonight 26 Apr Waukesha

Partly cloudy through around midnight then becoming mostly cloudy. Lows in the upper 40s. East Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight.

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Hillendale Heights Temperature Statistics

April Temperature

Waukesha County Airport (9.9 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    45.9 °F

  • Highest 17 April, 2026

    77 °F

Climate (2021–Present)

Waukesha County Airport (9.9 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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