Deerfield Weather Forecast

    • 61
    • 79

    Mostly Sunny

    • 54
    • 82

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 62
    • 73

    Rain Showers Likely

    • 55
    • 75

    Chance Rain Showers

    • 56
    • 68

    Chance Rain Showers

Today 11 Sep Waukesha

Sunny. Highs in the upper 70s. South Winds up to 10 Mph.

Tonight 11 Sep Waukesha

Mostly clear. Near steady temperature in the mid 50s. South Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deerfield Temperature Statistics

September Temperature

Milwaukee-Timmerman (5 miles)

  • Lowest 7 September, 2026

    55.4 °F

  • Average September

    70.9 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Milwaukee-Timmerman (5 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.9 °F
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