Middletown Weather Forecast

    • 50
    • 58

    Rain Showers

    • 48
    • 57

    Rain Showers

    • 47
    • 62

    Chance Rain Showers

    • 47
    • 65

    Partly Sunny

    • 51
    • 70

    Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

Today 21 May Dauphin

Showers. Highs in the mid 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 21 May Dauphin

Showers. Lows in the upper 40s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Middletown Temperature Statistics

May Temperature

Harrisburg, Harrisburg International Airport (1.2 miles)

  • Lowest 10 May, 2025

    47.6 °F

  • Average May

    65.7 °F

  • Highest 2 May, 2025

    84.7 °F

Climate (2020–Present)

Harrisburg, Harrisburg International Airport (1.2 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    65.4 °F
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