Lake Jefferson Weather Forecast

    • 51
    • 75

    Thunderstorms Likely

    • 47
    • 70

    Chance Rain Showers

    • 49
    • 69

    Rain Showers Likely

    • 55
    • 74

    Partly Sunny

    • 32
    • 69

    Rain Showers Likely

    • 30
    • 46

    Chance Rain/Snow

Today 13 Apr Le Sueur

Mostly sunny. Thunderstorms likely in the afternoon. Highs in the mid 70s. East Winds up to 10 Mph shifting to the southeast in the afternoon. Chance of Thunderstorms 70 percent.

Tonight 13 Apr Le Sueur

Partly cloudy with Thunderstorms likely in the Evening, then mostly cloudy after midnight. Lows in the lower 50s. East Winds 5 to 10 Mph shifting to the northeast after midnight. Chance of Thunderstorms 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Jefferson Temperature Statistics

April Temperature

Mankato, Mankato Regional Airport (7.5 miles)

  • Lowest 7 April, 2026

    21.9 °F

  • Average April

    37.7 °F

  • Highest 8 April, 2026

    63 °F

Climate (2021–Present)

Mankato, Mankato Regional Airport (7.5 miles)

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

  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.1 °F
Get WillyWeather+ to remove ads