Mankato Regional Airport Weather Forecast

    • 65
    • 81

    Rain Showers Likely

    • 62
    • 80

    Thunderstorms Likely

    • 59
    • 74

    Rain Showers Likely

    • 60
    • 76

    Chance Rain Showers

    • 61
    • 80

    Chance Thunderstorms

    • 55
    • 79

    Slight Chance Thunderstorms

    • 53
    • 74

    Mostly Sunny

Today 17 Sep Blue Earth

Mostly cloudy with a 50 percent chance of Thunderstorms. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 17 Sep Blue Earth

Mostly cloudy. Chance of Thunderstorms until early Morning, then chance of Showers and slight chance of Thunderstorms late in the night. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Real-Time

Mankato Regional Airport Temperature Statistics

September Temperature

Mankato, Mankato Regional Airport (0 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    63.8 °F

  • Highest 13 September, 2025

    90 °F

Climate (2020–Present)

Mankato, Mankato Regional Airport (0 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    56.9 °F
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