Chambersburg Weather Forecast

    • 31
    • 36

    Chance Snow Showers

    • 24
    • 44

    Partly Sunny

    • 6
    • 34

    Mostly Cloudy

    • 10
    • 16

    Snow Likely

    • 7
    • 19

    Snow Likely

    • 5
    • 23

    Partly Sunny

Today 21 Jan Franklin

Mostly sunny this Morning, then mostly cloudy with a slight chance of snow Showers this afternoon. Not as cool with Highs in the mid 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 20 percent. Wind chill Values as low as 1 below this morning.

Tonight 21 Jan Franklin

Mostly cloudy. A chance of snow Showers in the evening. Little or no snow accumulation. Not as cool. Near steady temperature in the lower 30s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chambersburg Temperature Statistics

January Temperature

Hagerstown, Washington County Regional Airport (16.2 miles)

  • Lowest 16 January, 2026

    19 °F

  • Average January

    36.1 °F

  • Highest 7 January, 2026

    57 °F

Climate (2021–Present)

Hagerstown, Washington County Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    65.8 °F
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