Lake Jefferson Weather Forecast

    • 47
    • 55

    Rain Showers

    • 53
    • 59

    Chance Rain Showers

    • 59
    • 74

    Chance Rain Showers

    • 48
    • 72

    Chance Rain Showers

    • 42
    • 64

    Partly Sunny

    • 41
    • 60

    Mostly Sunny

Today 14 Oct Le Sueur

Cloudy. Rain Showers likely in the afternoon. Highs in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of Showers 70 percent.

Tonight 14 Oct Le Sueur

Mostly cloudy. Near steady temperature in the upper 40s. Northeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Jefferson Temperature Statistics

October Temperature

Mankato, Mankato Regional Airport (7.5 miles)

  • Lowest 8 October, 2025

    36 °F

  • Average October

    63.4 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

Mankato, Mankato Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    57 °F
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