Lake Jefferson Weather Forecast

    • 68
    • 87

    Sunny

    • 62
    • 86

    Partly Sunny

    • 51
    • 76

    Chance Rain Showers

    • 46
    • 63

    Partly Sunny

    • 48
    • 64

    Mostly Cloudy

    • 44
    • 63

    Chance Rain Showers

Today 10 Oct Le Sueur

Breezy, Warmer, sunny. Highs in the upper 80s. South Winds 10 to 20 Mph increasing to 20 to 25 Mph in the afternoon.

Tonight 10 Oct Le Sueur

Clear. Lows in the upper 60s. South Winds 15 to 20 Mph.

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Lake Jefferson Temperature Statistics

October Temperature

Mankato, Mankato Regional Airport (7.5 miles)

  • Lowest 2 October, 2026

    39.9 °F

  • Average October

    59.6 °F

  • Highest 6 October, 2026

    84 °F

Climate (2021–2026)

Mankato, Mankato Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57 °F
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