Chambersburg Weather Forecast

    • 41
    • 66

    Becoming Sunny

    • 50
    • 69

    Mostly Sunny

    • 48
    • 69

    Rain Showers

    • 47
    • 65

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 57
    • 82

    Partly Sunny

Today 11 May Franklin

Mostly cloudy this Morning, then becoming partly sunny. Highs in the mid 60s. North Winds 5 to 10 Mph.

Tonight 11 May Franklin

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 40s. North Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chambersburg Temperature Statistics

May Temperature

Hagerstown, Washington County Regional Airport (16.2 miles)

  • Lowest 3 May, 2026

    36.6 °F

  • Average May

    58.4 °F

  • Highest 5 May, 2026

    84.7 °F

Climate (2021–Present)

Hagerstown, Washington County Regional Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66 °F
Get WillyWeather+ to remove ads