Chambersburg Weather Forecast

    • 64
    • 82

    Mostly Sunny

    • 57
    • 85

    Slight Chance Thunderstorms

    • 57
    • 68

    Rain Showers Likely

    • 41
    • 75

    Chance Rain Showers

    • 34
    • 55

    Mostly Sunny

    • 36
    • 59

    Mostly Sunny

Today 13 Oct Franklin

Patchy fog this morning. Sunny, warmer with Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 13 Oct Franklin

Mostly clear. Unseasonably mild. Lows in the mid 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Chambersburg Temperature Statistics

October Temperature

Hagerstown, Washington County Regional Airport (16.2 miles)

  • Lowest 7 October, 2026

    42.7 °F

  • Average October

    63 °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

    47.7 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66 °F
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