Lake Mendota Weather Forecast

    • 63
    • 73

    Chance Thunderstorms

    • 56
    • 79

    Rain Showers Likely

    • 55
    • 70

    Rain Showers

    • 52
    • 71

    Chance Rain Showers

    • 48
    • 79

    Rain Showers

    • 33
    • 59

    Chance Rain Showers

Today 13 Apr Dane

Mostly cloudy. Patchy fog in the morning. A 30 percent chance of light rain Showers in the afternoon. Highs in the lower 70s. Southwest Winds 5 to 15 Mph.

Tonight 13 Apr Dane

Mostly cloudy until early morning then becoming partly cloudy. A 50 percent chance of light Showers and Thunderstorms. Lows in the lower 60s. Southwest Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mendota Temperature Statistics

April Temperature

Madison, Dane County Regional-Truax Field (4.3 miles)

  • Lowest 7 April, 2026

    21.7 °F

  • Average April

    42.5 °F

  • Highest 8 April, 2026

    70.6 °F

Climate (2021–Present)

Madison, Dane County Regional-Truax Field (4.3 miles)

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

  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    59 °F
Get WillyWeather+ to remove ads