Lake Geneva Weather Forecast

    • 57
    • 81

    Mostly Sunny

    • 61
    • 82

    Chance Rain Showers

    • 54
    • 77

    Rain Showers

    • 50
    • 75

    Mostly Sunny

    • 52
    • 76

    Partly Sunny

    • 59
    • 79

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

Today 20 Aug Clinton

Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 20 Aug Clinton

Mostly clear. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Geneva Temperature Statistics

August Temperature

Capital Region International Airport (3.7 miles)

  • Lowest 9 August, 2026

    56.6 °F

  • Average August

    73.2 °F

  • Highest 16 August, 2026

    87.7 °F

Climate (2021–2026)

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

    60.2 °F
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