Middletown Weather Forecast

    • 63
    • 81

    Mostly Sunny

    • 68
    • 87

    Slight Chance Thunderstorms

    • 71
    • 86

    Chance Rain Showers

    • 73
    • 90

    Chance Rain Showers

    • 72
    • 91

    Chance Rain Showers

    • 69
    • 88

    Chance Rain Showers

Today 29 Aug Dauphin

Sunny. Highs around 80. North Winds around 5 Mph, becoming northwest in the afternoon.

Tonight 29 Aug Dauphin

Mostly clear. Lows in the mid 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Middletown Temperature Statistics

August Temperature

Harrisburg, Harrisburg International Airport (1.2 miles)

  • Lowest 21 August, 2026

    60.7 °F

  • Average August

    76.3 °F

  • Highest 9 August, 2026

    90.6 °F

Climate (2021–2026)

Harrisburg, Harrisburg International Airport (1.2 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    65.1 °F
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