Mercersburg Weather Forecast

    • 41
    • 64

    Chance Rain

    • 37
    • 60

    Mostly Cloudy

    • 40
    • 59

    Partly Sunny

    • 51
    • 70

    Chance Rain Showers

    • 57
    • 78

    Chance Rain Showers

    • 53
    • 73

    Rain Showers Likely

Today 1 May Franklin

Partly sunny. A chance of rain this afternoon. Highs in the lower 60s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 1 May Franklin

Mostly cloudy. A chance of rain in the evening. Lows around 40. West Winds around 5 Mph. Chance of rain 50 percent.

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Mercersburg Temperature Statistics

May Temperature

Hagerstown, Washington County Regional Airport (12.4 miles)

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Climate (2021–Present)

Hagerstown, Washington County Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66 °F
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