Hartland Weather Forecast

    • 32
    • 49

    Chance Rain Showers

    • 34
    • 51

    Chance Rain Showers

    • 20
    • 43

    Partly Sunny

    • 28
    • 41

    Chance Snow Showers

    • 47
    • 62

    Chance Rain Showers

    • 40
    • 59

    Chance Rain Showers

Today 4 Apr Waukesha

Mostly cloudy. Highs around 50. West Winds 15 to 20 Mph.

Tonight 4 Apr Waukesha

Mostly cloudy. Lows in the lower 30s. West Winds 15 to 20 Mph.

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Hartland Temperature Statistics

April Temperature

Waukesha County Airport (6.2 miles)

  • Lowest 1 April, 2026

    32 °F

  • Average April

    38.6 °F

  • Highest 2 April, 2026

    64.4 °F

Climate (2021–Present)

Waukesha County Airport (6.2 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    56.5 °F
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