Fontana-on-Geneva Lake Weather Forecast

    • 32
    • 51

    Rain/Snow

    • 35
    • 51

    Chance Rain Showers

    • 20
    • 46

    Partly Sunny

    • 29
    • 42

    Slight Chance Snow Showers

    • 48
    • 63

    Chance Rain Showers

    • 40
    • 61

    Chance Rain Showers

    • 43
    • 60

    Chance Rain Showers

Today 4 Apr Walworth

Breezy. Mostly cloudy. West Winds 15 to 25 Mph.

Tonight 4 Apr Walworth

Mostly cloudy. Scattered light rain Showers and snow Showers in the Evening, then isolated Sprinkles and Flurries late in the evening. Lows in the lower 30s. West Winds 15 to 20 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fontana-on-Geneva Lake Temperature Statistics

April Temperature

Burlington Municipal Airport (16.2 miles)

  • Lowest 1 April, 2026

    32.9 °F

  • Average April

    39.8 °F

  • Highest 2 April, 2026

    66.2 °F

Climate (2021–Present)

Burlington Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.9 °F
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