Erin Aero Airport Weather Forecast

    • 50
    • 61

    Increasing Clouds

    • 51
    • 64

    Partly Sunny

    • 49
    • 64

    Mostly Cloudy

    • 48
    • 65

    Partly Sunny

    • 49
    • 66

    Mostly Cloudy

    • 53
    • 69

    Mostly Cloudy

Today 22 Sep Washington

Partly sunny. Near steady temperature in the upper 50s. Northeast Winds 10 to 15 Mph.

Tonight 22 Sep Washington

Partly cloudy. Lows in the upper 40s. Northeast Winds up to 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Erin Aero Airport Temperature Statistics

September Temperature

Waukesha County Airport (14.9 miles)

  • Lowest 14 September, 2026

    46.4 °F

  • Average September

    67 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Waukesha County Airport (14.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    56.6 °F
Get WillyWeather+ to remove ads