Mechanicsburg Weather Forecast

    • 63
    • 82

    Mostly Sunny

    • 67
    • 86

    Partly Sunny

    • 72
    • 91

    Mostly Sunny

    • 74
    • 96

    Slight Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

Today 22 Jul Cumberland

Sunny. Highs around 80. Northeast Winds around 5 Mph.

Tonight 22 Jul Cumberland

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. East Winds around 5 Mph in the Evening, becoming light and variable.

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Mechanicsburg Temperature Statistics

July Temperature

Harrisburg, Capital City Airport (8.1 miles)

  • Lowest 4 July, 2025

    60.7 °F

  • Average July

    78.8 °F

  • Highest 17 July, 2025

    92.6 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (8.1 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    66.8 °F
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