Mechanicsburg Weather Forecast

    • 54
    • 78

    Rain Showers

    • 46
    • 73

    Mostly Sunny

    • 47
    • 74

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

    • 51
    • 77

    Partly Sunny

    • 54
    • 82

    Partly Sunny

Today 6 Sep Hampshire

Mostly cloudy. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 6 Sep Hampshire

Mostly cloudy. Lows in the mid 60s. Southwest Winds around 5 Mph.

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Mechanicsburg Temperature Statistics

September Temperature

Cumberland, Greater Cumberland Regional Airport (19.3 miles)

  • Lowest 1 September, 2025

    46.4 °F

  • Average September

    62.9 °F

  • Highest 3 September, 2025

    85.3 °F

Climate (2020–Present)

Cumberland, Greater Cumberland Regional Airport (19.3 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    65.8 °F
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