Lake Geneva Weather Forecast

    • 10
    • 16

    Increasing Clouds

    • 15
    • 31

    Snow Showers

    • -1
    • 20

    Chance Snow Showers

    • -11
    • 5

    Cold

    • -6
    • 7

    Cold

    • -1
    • 12

    Mostly Cloudy

Today 20 Jan Clinton

Mostly cloudy with a 40 percent chance of snow Showers. Highs 15 to 20. West Winds 10 to 15 Mph with Gusts to around 30 Mph. Wind chill Readings as low as 1 below to 11 below zero.

Tonight 20 Jan Clinton

Mostly cloudy. Lows 5 to 10 above. West Winds around 10 Mph with Gusts to around 20 Mph. Wind chill Readings as low as minus 11.

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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

    28.7 °F

  • Highest 9 January, 2026

    59 °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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