Mankato Weather Forecast

    • -16
    • 6

    Cold

    • 1
    • 10

    Cold

    • 16
    • 30

    Mostly Cloudy

    • 23
    • 40

    Mostly Cloudy

    • 22
    • 39

    Rain Likely

    • -1
    • 35

    Slight Chance Snow

    • 16
    • 30

    Mostly Cloudy

Today 13 Dec Blue Earth

Colder, sunny. Near steady temperature around 2. Northwest Winds 10 to 15 Mph.

Tonight 13 Dec Blue Earth

Colder. Mostly clear. Lows around 17 below. Northwest Winds 5 to 15 Mph.

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Mankato Temperature Statistics

December Temperature

Mankato, Mankato Regional Airport (5 miles)

  • Lowest 4 December, 2025

    -9.9 °F

  • Average December

    15.5 °F

  • Highest 9 December, 2025

    37.9 °F

Climate (2020–Present)

Mankato, Mankato Regional Airport (5 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    57 °F
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