Lake Geneva Weather Forecast

    • 66
    • 92

    Chance Rain Showers

    • 69
    • 90

    Mostly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

    • 70
    • 91

    Slight Chance Thunderstorms

    • 72
    • 92

    Slight Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

Today 17 May Western Clay

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs around 90. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 May Western Clay

Mostly cloudy. Lows around 70. Southeast Winds around 5 Mph.

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Lake Geneva Temperature Statistics

May Temperature

Keystone Airpark (5 miles)

  • Lowest 4 May, 2026

    51.8 °F

  • Average May

    74.4 °F

  • Highest 6 May, 2026

    93.2 °F

Climate (2021–Present)

Keystone Airpark (5 miles)

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  • Average Low 2021–2026

    58.7 °F

  • Average 2021–2026

    68.7 °F

  • Average High 2021–2026

    80.4 °F
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