Erin Aero Airport Weather Forecast

    • 41
    • 61

    Slight Chance Rain Showers

    • 37
    • 56

    Mostly Cloudy

    • 33
    • 53

    Slight Chance Rain Showers

    • 33
    • 51

    Partly Sunny

    • 38
    • 56

    Partly Sunny

    • 44
    • 64

    Partly Sunny

Today 28 Apr Washington

Mostly cloudy. Highs around 60. West Winds 10 to 20 Mph.

Tonight 28 Apr Washington

Mostly cloudy. Lows in the lower 40s. North Winds up to 10 Mph.

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Erin Aero Airport Temperature Statistics

April Temperature

Waukesha County Airport (14.9 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    45.9 °F

  • Highest 17 April, 2026

    77 °F

Climate (2021–Present)

Waukesha County Airport (14.9 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    56.6 °F
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