Germantown Weather Forecast

    • 57
    • 81

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 59
    • 81

    Partly Sunny

    • 60
    • 75

    Chance Rain Showers

    • 59
    • 74

    Chance Rain Showers

    • 61
    • 76

    Chance Rain Showers

Today 16 Sep Washington

Sunny. Patchy fog in the morning. Highs in the lower 80s. Southeast Winds up to 5 Mph.

Tonight 16 Sep Washington

Mostly clear. Lows in the upper 50s. Southeast Winds up to 5 Mph shifting to the southwest after midnight.

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Germantown Temperature Statistics

September Temperature

Milwaukee-Timmerman (8.7 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    57.8 °F

  • Highest 2 September, 2025

    77 °F

Climate (2020–Present)

Milwaukee-Timmerman (8.7 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.9 °F
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