Waukesha Weather Forecast

    • 14
    • 21

    Increasing Clouds

    • 10
    • 24

    Mostly Cloudy

    • 22
    • 27

    Mostly Cloudy

    • 29
    • 38

    Mostly Cloudy

    • 27
    • 40

    Mostly Cloudy

    • 30
    • 39

    Partly Sunny

Today 2 Jan Waukesha

Mostly 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 15. Northwest Winds up to 5 Mph.

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Waukesha Temperature Statistics

January Temperature

Waukesha County Airport (1.9 miles)

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  • Average January

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Climate (2021–Present)

Waukesha County Airport (1.9 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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