Lake Geneva Weather Forecast

    • 6
    • 20

    Becoming Sunny

    • 20
    • 25

    Chance Snow Showers

    • 15
    • 32

    Chance Snow Showers

    • 1
    • 26

    Chance Snow Showers

    • 11
    • 21

    Snow Showers

    • 22
    • 32

    Snow Showers

    • 13
    • 31

    Snow Showers Likely

Today 4 Dec Clinton

Mostly sunny. Highs in the lower 20s. West Winds around 10 Mph.

Tonight 4 Dec Clinton

Mostly clear. Lows 5 to 10 above. South Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Geneva Temperature Statistics

December Temperature

Capital Region International Airport (3.7 miles)

  • Lowest 1 December, 2025

    12.9 °F

  • Average December

    23.4 °F

  • Highest 2 December, 2025

    28.9 °F

Climate (2020–Present)

Capital Region International Airport (3.7 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    60.1 °F
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