Chambersburg Weather Forecast

    • 73
    • 92

    Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 72
    • 93

    Severe Tstms

    • 65
    • 88

    Chance Thunderstorms

    • 59
    • 83

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

Today 1 Sep Franklin

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 1 Sep Franklin

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers in the evening. Warm with Lows in the lower 70s. West Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chambersburg Temperature Statistics

September Temperature

Hagerstown, Washington County Regional Airport (16.2 miles)

  • Lowest

    –

  • Average September

    –

  • Highest

    –

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (16.2 miles)

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

  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    65.9 °F
Get WillyWeather+ to remove ads