Elmhurst Weather Forecast

    • 63
    • 75

    Chance Thunderstorms

    • 62
    • 81

    Rain Showers Likely

    • 60
    • 75

    Chance Rain Showers

    • 67
    • 78

    Chance Thunderstorms

    • 70
    • 84

    Chance Thunderstorms

    • 70
    • 89

    Slight Chance Thunderstorms

Today 18 Jul Waukesha

Sunny in the morning then becoming partly sunny. Highs in the mid 70s. East Winds up to 10 Mph.

Tonight 18 Jul Waukesha

Warmer. Partly cloudy through around Midnight, then mostly cloudy with slight chance of light Showers and Thunderstorms after midnight. Cloudy with Showers likely and chance of Thunderstorms early in the morning. Lows in the mid 60s. South Winds up to 5 Mph. Chance of precipitation 70 percent.

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Elmhurst Temperature Statistics

July Temperature

Waukesha County Airport (4.3 miles)

  • Lowest 7 July, 2025

    55.4 °F

  • Average July

    70.7 °F

  • Highest 3 July, 2025

    87.8 °F

Climate (2020–Present)

Waukesha County Airport (4.3 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    56.2 °F
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