Lake Geneva Weather Forecast

    • 27
    • 59

    Mostly Cloudy

    • 24
    • 36

    Rain/Snow

    • 24
    • 31

    Chance Snow Showers

    • 29
    • 35

    Mostly Cloudy

    • 28
    • 40

    Chance Snow Showers

    • 12
    • 32

    Chance Snow Showers

    • 16
    • 23

    Mostly Cloudy

Today 9 Jan Clinton

Partly sunny. Highs in the mid 50s. Northwest Winds 15 to 25 Mph with Gusts to around 35 Mph.

Tonight 9 Jan Clinton

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Geneva Temperature Statistics

January Temperature

Capital Region International Airport (3.7 miles)

  • Lowest 1 January, 2026

    7 °F

  • Average January

    25.6 °F

  • Highest 7 January, 2026

    37 °F

Climate (2021–Present)

Capital Region International Airport (3.7 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60.1 °F
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