West Allis Weather Forecast

    • 63
    • 67

    Rain Showers

    • 48
    • 68

    Rain Showers

    • 44
    • 63

    Mostly Sunny

    • 45
    • 62

    Partly Sunny

    • 43
    • 67

    Mostly Sunny

    • 41
    • 59

    Mostly Sunny

    • 49
    • 62

    Partly Sunny

Today 30 Sep Milwaukee

Cloudy. Patchy fog. Areas of drizzle. Near steady temperature in the mid 60s. Southwest Winds 10 to 15 Mph. Chance of precipitation 30 percent.

Tonight 30 Sep Milwaukee

Patchy fog through the night. Chance of light Showers in the evening. Showers in the late evening and overnight. Slight chance of Thunderstorms after midnight. Near steady temperature in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of precipitation 90 percent.

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West Allis Temperature Statistics

September Temperature

Milwaukee-Timmerman (6.2 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    63.7 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Milwaukee-Timmerman (6.2 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.8 °F
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