Erin Aero Airport Weather Forecast

    • 39
    • 57

    Rain Showers

    • 31
    • 49

    Slight Chance Rain Showers

    • 44
    • 53

    Rain Showers Likely

    • 61
    • 71

    Rain Showers Likely

    • 58
    • 77

    Rain Showers Likely

    • 52
    • 74

    Rain Showers

    • 46
    • 65

    Chance Rain Showers

Today 9 Apr Washington

Partly sunny. West Winds 5 to 10 Mph.

Tonight 9 Apr Washington

Light rain Showers. Lows in the upper 30s. East Winds up to 5 Mph shifting to the northeast around 5 Mph after midnight. Chance of Showers near 100 percent.

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  • Temperature Forecast NOAA

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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

    37.8 °F

  • Highest 2 April, 2026

    64.4 °F

Climate (2021–Present)

Waukesha County Airport (14.9 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    56.5 °F
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