Mechanicsburg Weather Forecast

    • 58
    • 87

    Sunny

    • 59
    • 89

    Mostly Sunny

    • 60
    • 87

    Partly Sunny

    • 62
    • 86

    Chance Rain Showers

    • 61
    • 81

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

Today 18 Sep Champaign

Sunny. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Champaign

Clear. Lows in the upper 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Mechanicsburg Temperature Statistics

September Temperature

London Madison County Airport (10.6 miles)

  • Lowest 9 September, 2025

    39.2 °F

  • Average September

    62.4 °F

  • Highest 15 September, 2025

    87.8 °F

Climate (2020–Present)

London Madison County Airport (10.6 miles)

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  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    62.4 °F
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