Lake Jefferson Weather Forecast

    • 30
    • 35

    Chance Freezing Rain

    • 24
    • 35

    Mostly Cloudy

    • 26
    • 39

    Partly Sunny

    • 24
    • 36

    Mostly Cloudy

    • 19
    • 34

    Chance Snow

    • 10
    • 25

    Chance Snow

Today 5 Jan Le Sueur

Cloudy. Patchy fog. Highs in the mid 30s. South Winds up to 5 Mph.

Tonight 5 Jan Le Sueur

Mostly cloudy. Chance of rain and light freezing rain. Patchy fog through the night. Near steady temperature in the lower 30s. Southeast Winds up to 5 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Jefferson Temperature Statistics

January Temperature

Mankato, Mankato Regional Airport (7.5 miles)

  • Lowest 1 January, 2026

    3.9 °F

  • Average January

    13 °F

  • Highest 2 January, 2026

    19.9 °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 °F
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