Mequon Weather Forecast

    • 58
    • 80

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 60
    • 78

    Partly Sunny

    • 60
    • 74

    Mostly Cloudy

    • 60
    • 74

    Chance Thunderstorms

    • 61
    • 77

    Chance Rain Showers

    • 59
    • 77

    Chance Rain Showers

Today 16 Sep Ozaukee

Sunny. Southeast Winds around 5 Mph.

Tonight 16 Sep Ozaukee

Clear. Patchy fog after midnight. Lows in the upper 50s. South Winds up to 5 Mph through around midnight becoming calm.

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Mequon Temperature Statistics

September Temperature

Milwaukee-Timmerman (8.7 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    57.8 °F

  • Highest 2 September, 2025

    77 °F

Climate (2020–Present)

Milwaukee-Timmerman (8.7 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.9 °F
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