Chambersburg Weather Forecast

    • 64
    • 85

    Sunny

    • 70
    • 94

    Mostly Sunny

    • 73
    • 100

    Hot

    • 70
    • 97

    Hot

    • 70
    • 95

    Partly Sunny

    • 69
    • 93

    Rain Showers Likely

    • 66
    • 88

    Chance Thunderstorms

Today 13 Jul Franklin

Sunny. Near steady temperature in the lower 80s. South Winds around 5 Mph.

Tonight 13 Jul Franklin

Clear. Lows in the mid 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chambersburg Temperature Statistics

July Temperature

Hagerstown, Washington County Regional Airport (16.2 miles)

  • Lowest 11 July, 2026

    69.1 °F

  • Average July

    81.2 °F

  • Highest 2 July, 2026

    99.6 °F

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    66 °F
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