Mercersburg Weather Forecast

    • 62
    • 76

    Chance Thunderstorms

    • 63
    • 77

    Thunderstorms Likely

    • 60
    • 84

    Rain Showers

    • 56
    • 76

    Rain Showers

    • 47
    • 67

    Rain Showers Likely

    • 48
    • 67

    Chance Rain Showers

Today 6 May Franklin

Cloudy. Areas of fog in the morning. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Warmer with Highs in the upper 70s. West Winds around 5 Mph, becoming northwest around 5 Mph in the afternoon. Chance of rain 40 percent.

Tonight 6 May Franklin

Cloudy. Areas of fog. Near steady temperature in the upper 50s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercersburg Temperature Statistics

May Temperature

Hagerstown, Washington County Regional Airport (12.4 miles)

  • Lowest 1 May, 2024

    58.6 °F

  • Average May

    71.5 °F

  • Highest 2 May, 2024

    90 °F

Climate (2019–Present)

Hagerstown, Washington County Regional Airport (12.4 miles)

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  • Average Low 2019–2024

    48 °F

  • Average 2019–2024

    56.7 °F

  • Average High 2019–2024

    65.6 °F
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