Hartland Weather Forecast

    • 13
    • 18

    Increasing Clouds

    • 8
    • 23

    Mostly Cloudy

    • 21
    • 26

    Chance Snow

    • 28
    • 37

    Mostly Cloudy

    • 27
    • 40

    Slight Chance Rain/Snow

    • 32
    • 41

    Mostly Cloudy

    • 34
    • 44

    Chance Rain

Today 2 Jan Waukesha

Sunny. Highs in the lower 20s. Northwest Winds 5 to 10 Mph.

Tonight 2 Jan Waukesha

Partly cloudy in the evening then becoming mostly cloudy. Near steady temperature around 14. Northwest Winds up to 5 Mph.

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Hartland Temperature Statistics

January Temperature

Waukesha County Airport (6.2 miles)

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  • Average January

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Climate (2021–Present)

Waukesha County Airport (6.2 miles)

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  • Average Low 2021–2025

    38.3 °F

  • Average 2021–2025

    45.8 °F

  • Average High 2021–2025

    56.4 °F
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