Hillside Terrace Weather Forecast

    • 65
    • 82

    Chance Thunderstorms

    • 59
    • 81

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 66
    • 86

    Partly Sunny

    • 64
    • 81

    Chance Rain Showers

    • 62
    • 81

    Slight Chance Thunderstorms

Today 27 Jul Waukesha

Warm and humid. Partly sunny. A 30 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Southwest Winds 10 to 15 Mph. Heat index Readings 98 to 103.

Tonight 27 Jul Waukesha

Cooler. Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the mid 60s. North Winds 5 to 15 Mph. Highest heat index Readings around 95 in the evening.

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Hillside Terrace Temperature Statistics

July Temperature

Waukesha County Airport (7.5 miles)

  • Lowest 22 July, 2026

    53.6 °F

  • Average July

    75.4 °F

  • Highest 14 July, 2026

    96.8 °F

Climate (2021–2026)

Waukesha County Airport (7.5 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    56.6 °F
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