Sussex Heights Weather Forecast

    • 59
    • 79

    Areas Smoke

    • 60
    • 80

    Areas Smoke

    • 63
    • 81

    Mostly Sunny

    • 65
    • 84

    Mostly Sunny

    • 68
    • 87

    Partly Sunny

    • 70
    • 89

    Partly Sunny

    • 70
    • 88

    Partly Sunny

Today 3 Aug Waukesha

Sunny. Areas of smoke. Southeast Winds around 5 Mph.

Tonight 3 Aug Waukesha

Mostly clear. Areas of smoke through the night. Lows in the upper 50s. East Winds up to 5 Mph through around midnight becoming calm.

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Sussex Heights Temperature Statistics

August Temperature

Waukesha County Airport (6.8 miles)

  • Lowest 1 August, 2025

    53.6 °F

  • Average August

    62.8 °F

  • Highest 1 August, 2025

    73.4 °F

Climate (2020–Present)

Waukesha County Airport (6.8 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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