Lake Geneva Weather Forecast

    • 53
    • 69

    Rain Showers Likely

    • 50
    • 62

    Rain Showers

    • 53
    • 74

    Chance Rain Showers

    • 57
    • 81

    Mostly Sunny

    • 60
    • 85

    Partly Sunny

    • 57
    • 82

    Partly Sunny

    • 55
    • 78

    Mostly Sunny

Today 22 May Clinton

Partly sunny. Highs in the upper 60s. East Winds 15 to 20 Mph with Gusts to around 30 Mph.

Tonight 22 May Clinton

Rain Showers likely after midnight. Lows in the lower 50s. East Winds 10 to 20 Mph with Gusts to around 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Geneva Temperature Statistics

May Temperature

Capital Region International Airport (3.7 miles)

  • Lowest 2 May, 2026

    29.6 °F

  • Average May

    55.5 °F

  • Highest 17 May, 2026

    85.6 °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

    51 °F

  • Average High 2021–2026

    60.1 °F
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