Wauwatosa Weather Forecast

    • 60
    • 68

    Rain Showers

    • 54
    • 65

    Chance Rain Showers

    • 51
    • 62

    Chance Rain Showers

    • 51
    • 62

    Mostly Cloudy

    • 52
    • 64

    Mostly Cloudy

    • 52
    • 66

    Mostly Cloudy

Today 19 Sep Milwaukee

Showers and chance of Thunderstorms in the Morning, then Showers likely and chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Highs in the upper 60s. Southeast Winds 5 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 19 Sep Milwaukee

Cloudy. Showers and chance of Thunderstorms through around Midnight, then chance of Showers after midnight. Lows around 60. Northeast Winds 5 to 15 Mph. Chance of precipitation 80 percent.

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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

    68 °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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