Blue Brook Weather Forecast

    • 71
    • 94

    Thunderstorms Likely

    • 63
    • 83

    Rain Showers Likely

    • 63
    • 75

    Rain Showers Likely

    • 68
    • 81

    Rain Showers Likely

    • 65
    • 84

    Chance Thunderstorms

    • 67
    • 83

    Chance Rain Showers

    • 66
    • 86

    Rain Showers Likely

Today 23 Jun Waukesha

Mostly sunny with a 20 percent chance of light Showers and Thunderstorms. Heat index Readings 98 to 103. Southwest Winds around 15 Mph with Gusts to around 30 Mph.

Tonight 23 Jun Waukesha

Mostly cloudy. Showers likely and chance of Thunderstorms through around Midnight, then chance of light Showers and Thunderstorms after midnight. Lows around 70. Southwest Winds up to 10 Mph. Gusts up to 25 Mph through around midnight. Chance of precipitation 70 percent. Highest heat index Readings 95 to 96 in the evening.

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Blue Brook Temperature Statistics

June Temperature

Waukesha County Airport (6.2 miles)

  • Lowest 1 June, 2025

    39.2 °F

  • Average June

    64.7 °F

  • Highest 21 June, 2025

    91.4 °F

Climate (2020–Present)

Waukesha County Airport (6.2 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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