Middletown Weather Forecast

    • 68
    • 88

    Rain Showers Likely

    • 61
    • 88

    Chance Thunderstorms

    • 59
    • 73

    Rain Showers Likely

    • 60
    • 74

    Chance Rain Showers

    • 58
    • 73

    Slight Chance Thunderstorms

    • 56
    • 73

    Mostly Cloudy

Today 19 Sep Butler

Mostly Cloudy, then becoming partly cloudy this late morning and early Afternoon, then becoming mostly cloudy. Showers likely with a chance of Thunderstorms this afternoon. Highs in the upper 80s. East Winds around 5 Mph, becoming southwest late. Chance of rain 70 percent.

Tonight 19 Sep Butler

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Muggy and Unseasonably warm. Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 60 percent.

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Middletown Temperature Statistics

September Temperature

Hook Field Municipal Airport (0.6 miles)

  • Lowest 14 September, 2026

    53.6 °F

  • Average September

    75.9 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Hook Field Municipal Airport (0.6 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    65.2 °F
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