Erin Aero Airport Weather Forecast

    • 32
    • 54

    Increasing Clouds

    • 22
    • 41

    Slight Chance Rain

    • 28
    • 34

    Mostly Cloudy

    • 25
    • 47

    Mostly Cloudy

    • 15
    • 31

    Mostly Cloudy

    • 17
    • 26

    Mostly Cloudy

Today 30 Jan Washington

Not as cool. Sunny. Highs in the mid 50s. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 30 Jan Washington

Partly cloudy until early Morning, then mostly cloudy with a 20 percent chance of light rain early in the morning. Lows in the lower 30s. Southwest Winds up to 5 Mph shifting to the northeast after midnight.

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Erin Aero Airport Temperature Statistics

January Temperature

Waukesha County Airport (14.9 miles)

  • Lowest 21 January, 2025

    -13 °F

  • Average January

    15.1 °F

  • Highest 17 January, 2025

    51.8 °F

Climate (2020–Present)

Waukesha County Airport (14.9 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    55.9 °F
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