Hartland Weather Forecast

    • 29
    • 51

    Rain Showers

    • 38
    • 53

    Sunny

    • 41
    • 62

    Mostly Sunny

    • 42
    • 66

    Partly Sunny

    • 45
    • 69

    Mostly Sunny

    • 49
    • 69

    Partly Sunny

Today 16 Oct Waukesha

Breezy, cloudy. A 50 percent chance of light rain Showers until late afternoon. Highs in the lower 50s. Northwest Winds 15 to 25 Mph.

Tonight 16 Oct Waukesha

Colder. Partly cloudy in the evening then clearing. Widespread frost in the late evening and overnight. Lows in the lower 30s. North Winds 10 to 15 Mph becoming northwest up to 5 Mph after midnight.

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Hartland Temperature Statistics

October Temperature

Waukesha County Airport (6.2 miles)

  • Lowest 3 October, 2026

    41 °F

  • Average October

    60.1 °F

  • Highest 12 October, 2026

    86 °F

Climate (2021–2026)

Waukesha County Airport (6.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    56.6 °F
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