Erin Aero Airport Weather Forecast

    • 60
    • 79

    Rain Showers

    • 45
    • 68

    Rain Showers Likely

    • 43
    • 65

    Partly Sunny

    • 48
    • 63

    Rain Showers Likely

    • 46
    • 64

    Rain Showers Likely

    • 41
    • 59

    Slight Chance Rain Showers

Today 23 Apr Washington

Mostly sunny. Highs in the upper 70s. South Winds 5 to 15 Mph.

Tonight 23 Apr Washington

Warmer. Partly cloudy with chance of light rain Showers and Thunderstorms through around Midnight, then mostly cloudy with light rain Showers and chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 5 to 15 Mph. Chance of precipitation 90 percent.

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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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