Chambersburg Weather Forecast

    • 63
    • 82

    Rain Showers

    • 57
    • 81

    Partly Sunny

    • 62
    • 84

    Mostly Sunny

    • 65
    • 87

    Chance Thunderstorms

    • 64
    • 86

    Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

Today 22 Jun Franklin

Showers likely with a chance of Thunderstorms. Highs in the lower 80s. Southwest Winds around 5 Mph. Chance of rain 70 percent.

Tonight 22 Jun Franklin

Showers with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog. Some Thunderstorms may be severe in the evening. Humid with Lows in the lower 60s. Southwest Winds around 5 Mph, becoming west after midnight. Chance of rain near 100 percent.

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Chambersburg Temperature Statistics

June Temperature

Hagerstown, Washington County Regional Airport (16.2 miles)

  • Lowest 1 June, 2026

    50.6 °F

  • Average June

    72.6 °F

  • Highest 11 June, 2026

    93.7 °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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