Erin Aero Airport Weather Forecast

    • 44
    • 68

    Mostly Sunny

    • 48
    • 69

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

    • 51
    • 68

    Partly Sunny

    • 53
    • 68

    Mostly Cloudy

    • 47
    • 67

    Partly Sunny

    • 42
    • 58

    Partly Sunny

Today 20 Oct Washington

Sunny. Highs in the mid 60s. Southeast Winds around 5 Mph.

Tonight 20 Oct Washington

Mostly clear. Patchy fog in the late evening and overnight. Lows in the mid 40s. Southeast Winds up to 5 Mph through around midnight becoming calm.

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Erin Aero Airport Temperature Statistics

October Temperature

Waukesha County Airport (14.9 miles)

  • Lowest 17 October, 2026

    33.8 °F

  • Average October

    57.7 °F

  • Highest 12 October, 2026

    86 °F

Climate (2021–2026)

Waukesha County Airport (14.9 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    56.6 °F
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