Mechanicsburg Weather Forecast

    • 68
    • 87

    Increasing Clouds

    • 61
    • 87

    Rain Showers

    • 48
    • 71

    Chance Rain Showers

    • 51
    • 66

    Mostly Cloudy

    • 59
    • 73

    Chance Thunderstorms

    • 60
    • 76

    Chance Thunderstorms

Today 18 May Champaign

Mostly sunny. Highs in the upper 80s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 18 May Champaign

Clear. Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mechanicsburg Temperature Statistics

May Temperature

London Madison County Airport (10.6 miles)

  • Lowest 2 May, 2026

    33.8 °F

  • Average May

    53.6 °F

  • Highest 4 May, 2026

    71.6 °F

Climate (2021–Present)

London Madison County Airport (10.6 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    62.6 °F
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