Fontana-on-Geneva Lake Weather Forecast

    • 41
    • 64

    Rain Showers

    • 34
    • 50

    Chance Rain Showers

    • 46
    • 55

    Rain Showers Likely

    • 60
    • 72

    Rain Showers Likely

    • 62
    • 77

    Rain Showers Likely

    • 47
    • 73

    Rain Showers

Today 9 Apr Walworth

Sunny late in the morning then becoming partly sunny. A 50 percent chance of light rain Showers late in the afternoon. Highs in the lower 60s. West Winds 5 to 10 Mph.

Tonight 9 Apr Walworth

Rain Showers through the night. Slight chance of Thunderstorms late in the evening. Lows in the lower 40s. Northeast Winds up to 10 Mph. Chance of precipitation 90 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 7 April, 2026

    22.8 °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 °F

  • Average High 2021–2026

    59.8 °F
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