Waukesha Weather Forecast

    • 29
    • 36

    Chance Rain

    • 33
    • 43

    Chance Rain

    • 37
    • 55

    Mostly Cloudy

    • 38
    • 61

    Slight Chance Rain

    • 26
    • 47

    Mostly Cloudy

    • 26
    • 40

    Mostly Cloudy

Today 18 Mar Waukesha

Not as cold. Partly sunny. Near steady temperature in the mid 30s. Southwest Winds 5 to 10 Mph.

Tonight 18 Mar Waukesha

Not as cold. Mostly cloudy. Chance of light freezing rain through around midnight. Chance of light rain through the night. Light freezing rain likely after midnight. Ice accumulation of less than one quarter of an inch. Near steady temperature in the lower 30s. Southwest Winds up to 5 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waukesha Temperature Statistics

March Temperature

Waukesha County Airport (1.9 miles)

  • Lowest 1 March, 2026

    14 °F

  • Average March

    36.1 °F

  • Highest 9 March, 2026

    69.8 °F

Climate (2021–Present)

Waukesha County Airport (1.9 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    56.5 °F
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