Sussex Weather Forecast

    • 31
    • 50

    Breezy

    • 31
    • 47

    Partly Sunny

    • 35
    • 57

    Sunny

    • 48
    • 61

    Rain Showers Likely

    • 32
    • 60

    Rain Showers Likely

    • 31
    • 49

    Partly Sunny

Today 19 Apr Waukesha

Breezy. Mostly sunny. Near steady temperature in the upper 40s. West Winds 15 to 25 Mph.

Tonight 19 Apr Waukesha

Partly cloudy in the evening then clearing. Lows in the lower 30s. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sussex Temperature Statistics

April Temperature

Waukesha County Airport (6.2 miles)

  • Lowest 6 April, 2024

    26.6 °F

  • Average April

    43.9 °F

  • Highest 14 April, 2024

    77 °F

Climate (2019–Present)

Waukesha County Airport (6.2 miles)

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  • Average Low 2019–2024

    38 °F

  • Average 2019–2024

    45.3 °F

  • Average High 2019–2024

    55.6 °F
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