Chatham Weather Forecast

    • 37
    • 53

    Gradual Clearing

    • 42
    • 58

    Mostly Cloudy

    • 57
    • 65

    Rain Showers Likely

    • 46
    • 69

    Rain Showers

    • 36
    • 56

    Slight Chance Rain Showers

    • 45
    • 62

    Mostly Sunny

Today 13 Mar Eastern Chester

Cloudy. Highs in the lower 50s. East Winds around 10 Mph.

Tonight 13 Mar Eastern Chester

Mostly cloudy. Patchy fog after midnight. Lows in the upper 30s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Temperature Statistics

March Temperature

Chester County Airport (9.3 miles)

  • Lowest 2 March, 2025

    15.8 °F

  • Average March

    40.3 °F

  • Highest 10 March, 2025

    64.4 °F

Climate (2020–Present)

Chester County Airport (9.3 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.9 °F
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