Oconomowoc Weather Forecast

    • 31
    • 59

    Mostly Sunny

    • 37
    • 65

    Mostly Sunny

    • 28
    • 46

    Partly Sunny

    • 33
    • 52

    Partly Sunny

    • 43
    • 60

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

Today 9 Mar Waukesha

Sunny. Highs in the upper 50s. West Winds 5 to 10 Mph increasing to southwest 15 to 20 Mph in the afternoon.

Tonight 9 Mar Waukesha

Mostly clear. Lows in the lower 30s. West Winds up to 15 Mph.

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Oconomowoc Temperature Statistics

March Temperature

Watertown (11.8 miles)

  • Lowest 2 March, 2025

    9.9 °F

  • Average March

    31.1 °F

  • Highest 4 March, 2025

    47.3 °F

Climate (2020–Present)

Watertown (11.8 miles)

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  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    55.1 °F
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