Fontana-on-Geneva Lake Weather Forecast

    • 33
    • 50

    Decreasing Clouds

    • 44
    • 51

    Chance Rain Showers

    • 60
    • 74

    Rain Showers Likely

    • 62
    • 75

    Rain Showers Likely

    • 58
    • 79

    Rain Showers

    • 50
    • 70

    Chance Rain Showers

Today 10 Apr Walworth

Cooler. Mostly cloudy. Highs around 50. Northwest Winds 5 to 10 Mph.

Tonight 10 Apr Walworth

Partly cloudy. Lows in the lower 30s. Northeast Winds up to 5 Mph shifting to the southeast after midnight.

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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 7 April, 2026

    22.8 °F

  • Average April

    41.3 °F

  • Highest 8 April, 2026

    69.8 °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 °F

  • Average High 2021–2026

    59.8 °F
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