Chambersburg Weather Forecast

    • 43
    • 68

    Increasing Clouds

    • 45
    • 67

    Mostly Cloudy

    • 48
    • 73

    Mostly Sunny

    • 47
    • 76

    Partly Sunny

    • 49
    • 71

    Mostly Cloudy

    • 53
    • 69

    Mostly Cloudy

Today 27 Oct Franklin

Sunny. Highs in the upper 60s. Northeast Winds around 5 Mph.

Tonight 27 Oct Franklin

Partly cloudy. Lows in the lower 40s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Chambersburg Temperature Statistics

October Temperature

Hagerstown, Washington County Regional Airport (16.2 miles)

  • Lowest 18 October, 2026

    34.6 °F

  • Average October

    60 °F

  • Highest 2 October, 2026

    86.6 °F

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    65.9 °F
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