Waukesha Weather Forecast

    • 64
    • 77

    Slight Chance Thunderstorms

    • 54
    • 75

    Chance Rain Showers

    • 55
    • 76

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 62
    • 77

    Chance Thunderstorms

    • 66
    • 81

    Slight Chance Thunderstorms

Today 20 Aug Waukesha

Patchy fog through around midnight. Thunderstorms through around midnight. Showers through the night. Thunderstorms likely after midnight. Some Thunderstorms may produce heavy rainfall after midnight. Some Thunderstorms may produce heavy rainfall early in the morning. Locally heavy rainfall possible through around midnight. Lows in the mid 60s. Northeast Winds up to 10 Mph. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

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Waukesha Temperature Statistics

August Temperature

Waukesha County Airport (1.9 miles)

  • Lowest 1 August, 2018

    55.4 °F
  • Average August

    68.6 °F
  • Highest 4 August, 2018

    89.6 °F

Climate (2010–Present)

Waukesha County Airport (1.9 miles)

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  • Average Low 2010–Present

    37.3 °F
  • Average 2010–Present

    44.9 °F
  • Average High 2010–Present

    54.8 °F
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