Linnaeus Arboretum Weather Forecast

    • 66
    • 91

    Mostly Sunny

    • 67
    • 85

    Chance Thunderstorms

    • 67
    • 83

    Chance Thunderstorms

    • 69
    • 82

    Rain Showers Likely

    • 65
    • 85

    Slight Chance Thunderstorms

    • 60
    • 82

    Partly Sunny

Today 4 Sep Nicollet

Sunny. Near steady temperature in the upper 80s. Northeast Winds up to 10 Mph.

Tonight 4 Sep Nicollet

Increasing Clouds. Lows in the mid 60s. Northeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Linnaeus Arboretum Temperature Statistics

September Temperature

Mankato, Mankato Regional Airport (7.5 miles)

  • Lowest 1 September, 2026

    62.1 °F

  • Average September

    74.3 °F

  • Highest 2 September, 2026

    86 °F

Climate (2021–2026)

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

    57.1 °F
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