Lake Jefferson Weather Forecast

    • 59
    • 82

    Mostly Sunny

    • 51
    • 76

    Slight Chance Thunderstorms

    • 52
    • 72

    Partly Sunny

    • 52
    • 75

    Partly Sunny

    • 55
    • 77

    Slight Chance Thunderstorms

    • 59
    • 80

    Partly Sunny

Today 12 Jun Le Sueur

Warmer, sunny. Highs in the lower 80s. West Winds 10 to 20 Mph.

Tonight 12 Jun Le Sueur

Partly cloudy with a 50 percent chance of Thunderstorms. Lows in the upper 50s. Southwest Winds 5 to 10 Mph shifting to the southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Jefferson Temperature Statistics

June Temperature

Mankato, Mankato Regional Airport (7.5 miles)

  • Lowest 3 June, 2026

    57.9 °F

  • Average June

    73.4 °F

  • Highest 9 June, 2026

    87.1 °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

    48.3 °F

  • Average High 2021–2026

    57.2 °F
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