Wauwatosa Weather Forecast

    • 55
    • 66

    Chance Rain Showers

    • 51
    • 63

    Mostly Cloudy

    • 51
    • 62

    Mostly Cloudy

    • 51
    • 63

    Mostly Cloudy

    • 51
    • 64

    Mostly Cloudy

    • 51
    • 67

    Partly Sunny

Today 20 Sep Milwaukee

Breezy. Mostly cloudy. Scattered light Showers in the morning. Patchy fog in the morning. Near steady temperature in the lower 60s. Northeast Winds 10 to 25 Mph. Chance of Showers 40 percent.

Tonight 20 Sep Milwaukee

Mostly cloudy. Lows in the mid 50s. Northeast Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wauwatosa Temperature Statistics

September Temperature

Milwaukee-Timmerman (4.3 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    67.6 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Milwaukee-Timmerman (4.3 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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