Owosso Charter Township Weather Forecast

    • 54
    • 78

    Slight Chance Rain Showers

    • 54
    • 78

    Partly Sunny

    • 58
    • 79

    Partly Sunny

    • 66
    • 82

    Mostly Cloudy

    • 63
    • 85

    Slight Chance Thunderstorms

    • 53
    • 77

    Partly Sunny

Today 5 Sep Shiawassee

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the upper 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 5 Sep Shiawassee

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Northeast Winds up to 10 Mph.

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Owosso Charter Township Temperature Statistics

September Temperature

Owosso, Owosso Community Airport (5.6 miles)

  • Lowest 1 September, 2026

    69.8 °F

  • Average September

    80.5 °F

  • Highest 2 September, 2026

    91.4 °F

Climate (2021–2026)

Owosso, Owosso Community Airport (5.6 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    59.5 °F
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