Downtown Milwaukee Weather Forecast

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    • 62

    Mostly Cloudy

    • 53
    • 61

    Mostly Cloudy

    • 54
    • 63

    Partly Sunny

    • 53
    • 63

    Mostly Cloudy

    • 53
    • 62

    Partly Sunny

    • 54
    • 63

    Mostly Cloudy

Today 21 Sep Milwaukee

Mostly cloudy. Near steady temperature around 60. Northeast Winds 10 to 15 Mph.

Tonight 21 Sep Milwaukee

Mostly cloudy. Lows in the lower 50s. Northeast Winds 5 to 15 Mph.

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Downtown Milwaukee Temperature Statistics

September Temperature

Milwaukee, General Mitchell International Airport (5.6 miles)

  • Lowest 14 September, 2026

    49.6 °F

  • Average September

    70.1 °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

    51.3 °F

  • Average High 2021–2026

    59 °F
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