Lake Geneva Weather Forecast

    • 51
    • 70

    Chance Thunderstorms

    • 51
    • 73

    Rain Showers

    • 33
    • 63

    Rain Showers Likely

    • 26
    • 44

    Mostly Sunny

    • 37
    • 52

    Partly Sunny

    • 46
    • 67

    Partly Sunny

Today 16 Apr Clinton

Showers likely and a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs around 70. West Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 16 Apr Clinton

Partly cloudy. A 50 percent chance of Showers and Thunderstorms in the evening. Areas of fog after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the lower 50s. Northwest Winds 5 to 10 Mph with Gusts to around 20 Mph in the evening becoming light.

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Lake Geneva Temperature Statistics

April Temperature

Capital Region International Airport (3.7 miles)

  • Lowest 7 April, 2026

    21.7 °F

  • Average April

    47.4 °F

  • Highest 12 April, 2026

    79.6 °F

Climate (2021–Present)

Capital Region International Airport (3.7 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60.1 °F
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