Hartland Weather Forecast

    • 37
    • 47

    Rain Showers

    • 29
    • 50

    Partly Sunny

    • 33
    • 54

    Mostly Sunny

    • 40
    • 59

    Partly Sunny

    • 46
    • 60

    Mostly Cloudy

    • 48
    • 61

    Chance Rain Showers

Today 22 Oct Waukesha

Cloudy with scattered light rain Showers. Highs in the upper 40s. Northwest Winds 15 to 20 Mph. Chance of Showers 40 percent.

Tonight 22 Oct Waukesha

Mostly cloudy until early morning then becoming partly cloudy. Isolated light rain Showers through around midnight. Lows in the upper 30s. Northwest Winds 10 to 15 Mph. Chance of Showers 20 percent.

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Hartland Temperature Statistics

October Temperature

Waukesha County Airport (6.2 miles)

  • Lowest 20 October, 2025

    35.6 °F

  • Average October

    57.8 °F

  • Highest 3 October, 2025

    84.2 °F

Climate (2020–Present)

Waukesha County Airport (6.2 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    56.4 °F
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