Fontana-on-Geneva Lake Weather Forecast

    • 30
    • 38

    Chance Rain

    • 34
    • 47

    Mostly Cloudy

    • 38
    • 58

    Mostly Cloudy

    • 39
    • 64

    Partly Sunny

    • 25
    • 56

    Partly Sunny

    • 26
    • 42

    Mostly Cloudy

Today 18 Mar Walworth

Not as cold. Cloudy late in the morning then becoming partly sunny. Highs in the upper 30s. Southwest Winds 5 to 15 Mph.

Tonight 18 Mar Walworth

Not as cold. Cloudy. A 50 percent chance of light rain in the late evening and overnight. Lows in the lower 30s. Southwest Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fontana-on-Geneva Lake Temperature Statistics

March Temperature

Burlington Municipal Airport (16.2 miles)

  • Lowest 1 March, 2026

    10.6 °F

  • Average March

    37.5 °F

  • Highest 9 March, 2026

    70.3 °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

    59.8 °F
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