Decker Lake Weather Forecast

    • 31
    • 54

    Decreasing Clouds

    • 36
    • 52

    Partly Sunny

    • 41
    • 63

    Partly Sunny

    • 42
    • 66

    Partly Sunny

    • 42
    • 71

    Partly Sunny

    • 40
    • 63

    Partly Sunny

Today 5 May Le Sueur

Increasing Clouds. Areas of frost early in the morning. Highs in the mid 50s. Northwest Winds 5 to 15 Mph.

Tonight 5 May Le Sueur

Partly cloudy in the evening then clearing. Lows in the lower 30s. Northwest Winds 10 to 15 Mph decreasing to around 5 Mph after midnight.

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Decker Lake Temperature Statistics

May Temperature

Mankato, Mankato Regional Airport (10.6 miles)

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  • Average May

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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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