Erin Aero Airport Weather Forecast

    • 29
    • 48

    Decreasing Clouds

    • 32
    • 49

    Mostly Sunny

    • 41
    • 53

    Partly Sunny

    • 43
    • 58

    Partly Sunny

    • 43
    • 56

    Chance Rain Showers

    • 43
    • 55

    Chance Rain Showers

    • 39
    • 54

    Slight Chance Rain Showers

Today 23 Oct Washington

Partly sunny. Northwest Winds 10 to 15 Mph.

Tonight 23 Oct Washington

Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming clear. Widespread frost in the late evening and overnight. Lows in the upper 20s. Northwest Winds up to 10 Mph.

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Erin Aero Airport Temperature Statistics

October Temperature

Waukesha County Airport (14.9 miles)

  • Lowest 20 October, 2025

    35.6 °F

  • Average October

    57.2 °F

  • Highest 3 October, 2025

    84.2 °F

Climate (2020–Present)

Waukesha County Airport (14.9 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    56.4 °F
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