Fontana-on-Geneva Lake Weather Forecast

    • 45
    • 66

    Rain Showers

    • 41
    • 60

    Rain Showers

    • 33
    • 54

    Slight Chance Rain Showers

    • 47
    • 58

    Mostly Cloudy

    • 61
    • 75

    Rain Showers Likely

    • 47
    • 76

    Rain Showers Likely

Today 8 Apr Walworth

Warmer, breezy. Cloudy in the morning then clearing. Scattered light rain Showers in the morning. Highs in the mid 60s. South Winds 10 to 25 Mph increasing to 20 to 25 Mph in the afternoon. Chance of Showers 40 percent.

Tonight 8 Apr Walworth

Not as cool. Breezy. Partly cloudy in the evening. Chance of rain Showers in the Evening, then slight chance of Thunderstorms late in the evening. Rain Showers in the late evening and early morning. Lows in the mid 40s. Southwest Winds 15 to 25 Mph decreasing to 5 to 15 Mph after midnight. Chance of precipitation near 100 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

    41.5 °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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