Chambersburg Weather Forecast

    • 40
    • 59

    Increasing Clouds

    • 52
    • 62

    Mostly Cloudy

    • 50
    • 71

    Rain Showers

    • 36
    • 59

    Mostly Sunny

    • 44
    • 63

    Mostly Sunny

    • 47
    • 70

    Mostly Cloudy

Today 14 Mar Mercer

Mostly cloudy this Morning, then becoming mostly sunny. Patchy fog this morning. Highs in the upper 50s. Northeast Winds around 5 Mph, becoming east this afternoon.

Tonight 14 Mar Mercer

Mostly cloudy. Areas of drizzle after midnight. Areas of fog after midnight. Lows in the upper 30s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chambersburg Temperature Statistics

March Temperature

Trenton, Mercer County Airport (5.6 miles)

  • Lowest 2 March, 2025

    17.9 °F

  • Average March

    42.5 °F

  • Highest 11 March, 2025

    66.9 °F

Climate (2020–Present)

Trenton, Mercer County Airport (5.6 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.2 °F
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