Fontana-on-Geneva Lake Weather Forecast

    • 30
    • 40

    Drizzle

    • 35
    • 42

    Decreasing Clouds

    • 37
    • 47

    Rain

    • 31
    • 42

    Rain/Snow Likely

    • 20
    • 34

    Chance Snow

    • 22
    • 30

    Partly Sunny

    • 25
    • 38

    Partly Sunny

Today 6 Jan Walworth

Cloudy with a 20 percent chance of light rain. Patchy fog. Northwest Winds around 5 Mph.

Tonight 6 Jan Walworth

Cloudy. Patchy drizzle in the evening. Patchy fog through the night. Lows around 30. West Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fontana-on-Geneva Lake Temperature Statistics

January Temperature

Burlington Municipal Airport (16.2 miles)

  • Lowest 1 January, 2026

    7 °F

  • Average January

    17.6 °F

  • Highest 4 January, 2026

    32 °F

Climate (2021–Present)

Burlington Municipal Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59.6 °F
Get WillyWeather+ to remove ads