Decker Lake Weather Forecast

    • 47
    • 72

    Partly Sunny

    • 50
    • 66

    Partly Sunny

    • 60
    • 72

    Mostly Sunny

    • 62
    • 82

    Breezy

    • 55
    • 77

    Chance Rain Showers

    • 49
    • 67

    Chance Rain Showers

Today 7 Oct Le Sueur

Cooler, sunny. Highs in the lower 70s. Northwest Winds up to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 7 Oct Le Sueur

Partly cloudy. Lows in the upper 40s. Northwest Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Decker Lake Temperature Statistics

October Temperature

Mankato, Mankato Regional Airport (10.6 miles)

  • Lowest 2 October, 2026

    39.9 °F

  • Average October

    57.4 °F

  • Highest 3 October, 2026

    72 °F

Climate (2021–2026)

Mankato, Mankato Regional Airport (10.6 miles)

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

  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads