Chambersburg Weather Forecast

    • 10
    • 30

    Decreasing Clouds

    • 6
    • 29

    Mostly Sunny

    • 10
    • 28

    Chance Snow

    • 3
    • 18

    Mostly Sunny

    • 5
    • 20

    Partly Sunny

    • 7
    • 23

    Partly Sunny

Today 4 Feb Mercer

Mostly sunny. Cold with Highs around 30. Northwest Winds 5 to 10 Mph.

Tonight 4 Feb Mercer

Partly cloudy. Cold with Lows around 9 above. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chambersburg Temperature Statistics

February Temperature

Trenton, Mercer County Airport (5.6 miles)

  • Lowest 1 February, 2026

    7 °F

  • Average February

    14.4 °F

  • Highest 1 February, 2026

    21.9 °F

Climate (2021–Present)

Trenton, Mercer County Airport (5.6 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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