Mechanicsburg Weather Forecast

    • 66
    • 89

    Slight Chance Rain Showers

    • 69
    • 88

    Chance Thunderstorms

    • 58
    • 82

    Slight Chance Thunderstorms

    • 64
    • 79

    Chance Rain Showers

    • 65
    • 84

    Rain Showers Likely

    • 63
    • 79

    Rain Showers Likely

Today 16 Sep Hampshire

Sunny. Highs in the upper 80s. Except in the lower 80s at the higher Elevations. Light and variable Winds, becoming southeast around 5 Mph in the afternoon.

Tonight 16 Sep Hampshire

Partly cloudy. A slight chance of Showers after midnight. Lows in the mid 60s. South Winds around 5 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mechanicsburg Temperature Statistics

September Temperature

Cumberland, Greater Cumberland Regional Airport (19.3 miles)

  • Lowest 7 September, 2026

    53.6 °F

  • Average September

    73.9 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Cumberland, Greater Cumberland Regional Airport (19.3 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    65.9 °F
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