Erin Aero Airport Weather Forecast

    • 29
    • 35

    Rain/Freezing Rain Likely

    • 33
    • 42

    Mostly Cloudy

    • 35
    • 52

    Mostly Cloudy

    • 37
    • 62

    Mostly Cloudy

    • 24
    • 45

    Mostly Cloudy

    • 27
    • 40

    Mostly Cloudy

    • 32
    • 49

    Mostly Cloudy

Today 18 Mar Washington

Mostly cloudy. Southwest Winds 5 to 10 Mph.

Tonight 18 Mar Washington

Not as cold. Mostly cloudy. Chance of light freezing Rain, possibly mixed with rain late in the evening. Light Rain, possibly mixed with freezing rain after Midnight, then chance of light Rain, possibly mixed with freezing rain early in the morning. Ice accumulation of less than one quarter of an inch. Near steady temperature in the lower 30s. West Winds up to 5 Mph. Chance of precipitation 60 percent.

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Erin Aero Airport Temperature Statistics

March Temperature

Waukesha County Airport (14.9 miles)

  • Lowest 1 March, 2026

    14 °F

  • Average March

    36.1 °F

  • Highest 9 March, 2026

    69.8 °F

Climate (2021–Present)

Waukesha County Airport (14.9 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    56.5 °F
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