Decker Lake Weather Forecast

    • 8
    • 20

    Mostly Sunny

    • 18
    • 33

    Partly Sunny

    • 33
    • 41

    Partly Sunny

    • 32
    • 48

    Mostly Cloudy

    • 34
    • 49

    Chance Rain

    • 25
    • 44

    Chance Rain

Today 21 Feb Le Sueur

Sunny. Highs around 20. South Winds 10 to 20 Mph.

Tonight 21 Feb Le Sueur

Not as cold. Partly cloudy. Lows around 8. Southwest Winds 5 to 15 Mph.

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Decker Lake Temperature Statistics

February Temperature

Mankato, Mankato Regional Airport (10.6 miles)

  • Lowest 18 February, 2025

    -18 °F

  • Average February

    9.2 °F

  • Highest 2 February, 2025

    44.1 °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

    56.7 °F
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