Decker Lake Weather Forecast

    • 24
    • 40

    Chance Snow

    • 28
    • 47

    Rain Likely

    • 25
    • 38

    Chance Snow

    • 25
    • 38

    Snow

    • 10
    • 31

    Chance Snow

    • 7
    • 22

    Partly Sunny

Today 11 Mar Le Sueur

Cloudy with chance of snow early in the Morning, then mostly cloudy with slight chance of snow late in the morning. Mostly sunny in the afternoon. Highs around 40. Northwest Winds 10 to 15 Mph. Chance of snow 50 percent.

Tonight 11 Mar Le Sueur

Partly cloudy. Lows in the mid 20s. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decker Lake Temperature Statistics

March Temperature

Mankato, Mankato Regional Airport (10.6 miles)

  • Lowest 1 March, 2026

    7 °F

  • Average March

    37 °F

  • Highest 8 March, 2026

    64 °F

Climate (2021–Present)

Mankato, Mankato Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.2 °F
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