Middletown Weather Forecast

    • 42
    • 69

    Decreasing Clouds

    • 46
    • 69

    Mostly Sunny

    • 57
    • 76

    Partly Sunny

    • 51
    • 76

    Rain Showers Likely

    • 45
    • 67

    Slight Chance Rain Showers

    • 46
    • 65

    Mostly Cloudy

Today 21 Apr Shiawassee

Partly cloudy with a chance of Sprinkles in the Morning, then mostly sunny in the afternoon. Highs in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 21 Apr Shiawassee

Mostly clear. Lows in the lower 40s. West Winds up to 10 Mph, becoming north after midnight.

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Middletown Temperature Statistics

April Temperature

Owosso, Owosso Community Airport (0 miles)

  • Lowest 7 April, 2026

    23.4 °F

  • Average April

    49.3 °F

  • Highest 12 April, 2026

    79.7 °F

Climate (2021–Present)

Owosso, Owosso Community Airport (0 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    59.4 °F
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