Lake Geneva Weather Forecast

    • 73
    • 93

    Chance Thunderstorms

    • 74
    • 94

    Chance Rain Showers

    • 74
    • 96

    Chance Rain Showers

    • 73
    • 95

    Chance Thunderstorms

    • 73
    • 95

    Chance Thunderstorms

    • 74
    • 95

    Chance Thunderstorms

Today 22 Aug Western Clay

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 109.

Tonight 22 Aug Western Clay

Partly cloudy. Lows in the mid 70s. Southwest Winds around 5 Mph.

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Lake Geneva Temperature Statistics

August Temperature

Keystone Airpark (5 miles)

  • Lowest 7 August, 2026

    69.8 °F

  • Average August

    81.9 °F

  • Highest 18 August, 2026

    98.6 °F

Climate (2021–2026)

Keystone Airpark (5 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    68.9 °F

  • Average High 2021–2026

    80.7 °F
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