Decker Lake Weather Forecast

    • 61
    • 84

    Increasing Clouds

    • 46
    • 72

    Rain Showers

    • 39
    • 60

    Mostly Sunny

    • 44
    • 60

    Mostly Cloudy

    • 48
    • 64

    Chance Rain Showers

    • 39
    • 58

    Chance Rain Showers

Today 22 Apr Le Sueur

Sunny. Highs in the mid 80s. Southeast Winds 5 to 15 Mph shifting to the south 15 to 20 Mph in the afternoon.

Tonight 22 Apr Le Sueur

Warmer. Partly cloudy. Lows in the lower 60s. South Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decker Lake Temperature Statistics

April Temperature

Mankato, Mankato Regional Airport (10.6 miles)

  • Lowest 7 April, 2026

    21.9 °F

  • Average April

    44.3 °F

  • Highest 12 April, 2026

    80.1 °F

Climate (2021–Present)

Mankato, Mankato Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.2 °F
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