Eureka Heights Weather Forecast

    • 57
    • 68

    Mostly Cloudy

    • 57
    • 67

    Rain Showers

    • 51
    • 64

    Chance Rain Showers

    • 48
    • 60

    Chance Rain Showers

    • 49
    • 59

    Mostly Cloudy

    • 48
    • 62

    Mostly Cloudy

Today 18 Sep Waukesha

Partly sunny until late afternoon then becoming cloudy. A 20 percent chance of light rain Showers late in the afternoon. Highs in the upper 60s. East Winds 5 to 15 Mph.

Tonight 18 Sep Waukesha

Chance of light rain Showers in the Evening, then rain Showers likely late in the evening. Rain Showers and chance of Thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

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Eureka Heights Temperature Statistics

September Temperature

Waukesha County Airport (1.2 miles)

  • Lowest 14 September, 2026

    46.4 °F

  • Average September

    68.6 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Waukesha County Airport (1.2 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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