South Milwaukee Weather Forecast

    • 70
    • 79

    Chance Rain Showers

    • 65
    • 83

    Partly Sunny

    • 64
    • 77

    Mostly Sunny

    • 66
    • 81

    Rain Showers Likely

    • 61
    • 75

    Slight Chance Thunderstorms

    • 61
    • 70

    Partly Sunny

Today 15 Aug Milwaukee

Cloudy with a 50 percent chance of Showers and Thunderstorms. Highs around 80. Southeast Winds 5 to 15 Mph.

Tonight 15 Aug Milwaukee

Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. Chance of light Showers until early Morning, then chance of light Showers and slight chance of Thunderstorms early in the morning. Lows around 70. East Winds up to 10 Mph shifting to the west after midnight. Chance of precipitation 50 percent.

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South Milwaukee Temperature Statistics

August Temperature

Milwaukee, General Mitchell International Airport (3.7 miles)

  • Lowest 3 August, 2026

    61.6 °F

  • Average August

    72.9 °F

  • Highest 4 August, 2026

    85.6 °F

Climate (2021–2026)

Milwaukee, General Mitchell International Airport (3.7 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
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