Lake Jefferson Weather Forecast

    • 31
    • 51

    Mostly Sunny

    • 30
    • 55

    Mostly Sunny

    • 39
    • 55

    Partly Sunny

    • 39
    • 57

    Mostly Sunny

    • 39
    • 56

    Rain Likely

    • 27
    • 47

    Chance Rain/Snow

Today 13 Feb Le Sueur

Sunny. Highs in the lower 50s. West Winds up to 5 Mph.

Tonight 13 Feb Le Sueur

Mostly clear. Lows in the lower 30s. South Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Jefferson Temperature Statistics

February Temperature

Mankato, Mankato Regional Airport (7.5 miles)

  • Lowest 3 February, 2026

    1 °F

  • Average February

    25.6 °F

  • Highest 11 February, 2026

    45 °F

Climate (2021–Present)

Mankato, Mankato Regional Airport (7.5 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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