Lake Jefferson Weather Forecast

    • 29
    • 42

    Slight Chance Rain/Snow

    • 22
    • 39

    Chance Rain/Snow

    • 16
    • 27

    Chance Snow

    • 11
    • 29

    Mostly Cloudy

    • 8
    • 23

    Mostly Sunny

    • 18
    • 28

    Partly Sunny

Today 18 Feb Le Sueur

Windy. Mostly cloudy with a 20 percent chance of rain and snow. Highs in the upper 40s. West Winds 20 to 30 Mph with Gusts to around 45 Mph.

Tonight 18 Feb Le Sueur

Mostly cloudy. Chance of rain after Midnight, then slight chance of rain early in the morning. Near steady temperature in the mid 40s. South Winds 15 to 20 Mph. Chance of rain 50 percent.

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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

    29.4 °F

  • Highest 14 February, 2026

    55.9 °F

Climate (2021–Present)

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

    57.2 °F
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