Wauwatosa Weather Forecast

    • 73
    • 91

    Partly Sunny

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 85

    Rain Showers Likely

    • 70
    • 86

    Chance Thunderstorms

    • 68
    • 83

    Partly Sunny

    • 65
    • 82

    Partly Sunny

Today 1 Sep Milwaukee

Very warm and humid. Partly sunny. A 20 percent chance of light Showers and Thunderstorms in the afternoon. Highs around 90. Southwest Winds up to 10 Mph. Highest heat index Readings 95 to 98 in the late morning and afternoon.

Tonight 1 Sep Milwaukee

Mostly cloudy through around midnight then becoming partly cloudy. Lows in the lower 70s. Southwest Winds up to 5 Mph.

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Wauwatosa Temperature Statistics

September Temperature

Milwaukee-Timmerman (4.3 miles)

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  • Average September

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Climate (2021–2026)

Milwaukee-Timmerman (4.3 miles)

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.8 °F
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