Downtown Milwaukee Weather Forecast

    • 64
    • 76

    Increasing Clouds

    • 69
    • 80

    Rain Showers

    • 60
    • 82

    Chance Rain Showers

    • 59
    • 75

    Mostly Sunny

    • 63
    • 77

    Chance Rain Showers

    • 62
    • 78

    Partly Sunny

Today 7 Sep Milwaukee

Sunny. Highs in the mid 70s. Southeast Winds up to 10 Mph.

Tonight 7 Sep Milwaukee

Partly cloudy until early morning then becoming mostly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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Downtown Milwaukee Temperature Statistics

September Temperature

Milwaukee, General Mitchell International Airport (5.6 miles)

  • Lowest 5 September, 2026

    66.9 °F

  • Average September

    77.1 °F

  • Highest 2 September, 2026

    90.6 °F

Climate (2021–2026)

Milwaukee, General Mitchell International Airport (5.6 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59 °F
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