Mechanicsburg Weather Forecast

    • 44
    • 68

    Mostly Sunny

    • 48
    • 65

    Partly Sunny

    • 47
    • 68

    Mostly Sunny

    • 48
    • 68

    Mostly Sunny

    • 49
    • 69

    Mostly Sunny

    • 55
    • 70

    Partly Sunny

    • 61
    • 74

    Chance Rain Showers

Today 24 Sep Champaign

Partly cloudy in the Morning, then becoming mostly cloudy. A 40 percent chance of Showers. Highs in the lower 70s.

Tonight 24 Sep Champaign

Clear. Lows in the mid 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mechanicsburg Temperature Statistics

September Temperature

London Madison County Airport (10.6 miles)

  • Lowest 14 September, 2026

    51.8 °F

  • Average September

    71.7 °F

  • Highest 3 September, 2026

    93.2 °F

Climate (2021–2026)

London Madison County Airport (10.6 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62.7 °F
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