Downtown Milwaukee Weather Forecast

    • 65
    • 72

    Rain Showers

    • 60
    • 75

    Rain Showers Likely

    • 62
    • 69

    Rain Showers

    • 61
    • 71

    Chance Rain Showers

    • 62
    • 72

    Rain Showers Likely

    • 59
    • 71

    Rain Showers Likely

Today 14 Sep Milwaukee

Sunny late in the morning then becoming partly sunny. A 20 percent chance of light Showers late in the afternoon. Highs in the lower 70s. Southeast Winds 10 to 15 Mph.

Tonight 14 Sep Milwaukee

Warmer. Mostly cloudy. Slight chance of light Showers through around Midnight, then Showers and chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 15 to 20 Mph. Chance of precipitation 80 percent.

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Downtown Milwaukee Temperature Statistics

September Temperature

Milwaukee, General Mitchell International Airport (5.6 miles)

  • Lowest 7 September, 2026

    60.7 °F

  • Average September

    73.6 °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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