Chambersburg Weather Forecast

    • 44
    • 64

    Sunny

    • 52
    • 73

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

    • 53
    • 70

    Chance Rain

Today 6 Oct Franklin

Sunny. Highs in the lower 60s. Northwest Winds around 5 Mph.

Tonight 6 Oct Franklin

Clear. Lows in the lower 40s. Light and variable Winds, becoming south around 5 Mph after midnight.

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Chambersburg Temperature Statistics

October Temperature

Hagerstown, Washington County Regional Airport (16.2 miles)

  • Lowest 3 October, 2026

    57.9 °F

  • Average October

    69.4 °F

  • Highest 2 October, 2026

    86 °F

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66 °F
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