Decker Lake Weather Forecast

    • 31
    • 61

    Slight Chance Rain Showers

    • 31
    • 50

    Partly Sunny

    • 36
    • 55

    Slight Chance Rain Showers

    • 53
    • 60

    Rain Showers Likely

    • 56
    • 71

    Rain Showers

    • 36
    • 70

    Rain Showers Likely

Today 8 Apr Le Sueur

Breezy. Not as cool. Mostly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs in the lower 60s. South Winds 15 to 25 Mph shifting to the west 15 to 20 Mph in the afternoon. Gusts up to 40 Mph.

Tonight 8 Apr Le Sueur

Mostly clear. Lows in the lower 30s. West Winds 10 to 15 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 2 April, 2026

    32 °F

  • Average April

    36.7 °F

  • Highest 5 April, 2026

    55 °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

    48.2 °F

  • Average High 2021–2026

    57.1 °F
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