Decker Lake Weather Forecast

    • 51
    • 68

    Partly Sunny

    • 37
    • 74

    Rain Showers

    • 20
    • 44

    Rain/Snow Likely

    • 27
    • 40

    Mostly Sunny

    • 36
    • 61

    Partly Sunny

    • 29
    • 53

    Chance Snow

Today 13 Mar Le Sueur

Mostly sunny. Highs in the upper 60s. Southeast Winds 5 to 15 Mph increasing to 15 to 20 Mph in the afternoon.

Tonight 13 Mar Le Sueur

Warmer. Partly cloudy. Lows in the lower 50s. Southeast Winds 10 to 15 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, 2025

    12 °F

  • Average March

    35.9 °F

  • Highest 3 March, 2025

    64 °F

Climate (2020–Present)

Mankato, Mankato Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    56.8 °F
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