Chatham Weather Forecast

    • 29
    • 41

    Mostly Sunny

    • 26
    • 38

    Partly Sunny

    • 22
    • 45

    Partly Sunny

    • 27
    • 37

    Partly Sunny

    • 30
    • 45

    Partly Sunny

    • 23
    • 36

    Chance Snow

Today 27 Jan Eastern Chester

Sunny. Near steady temperature in the upper 30s. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 27 Jan Eastern Chester

Mostly clear this Evening, then becoming mostly cloudy. Cold with Lows in the upper 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Chatham Temperature Statistics

January Temperature

Chester County Airport (9.3 miles)

  • Lowest 22 January, 2025

    -0.4 °F

  • Average January

    25 °F

  • Highest 1 January, 2025

    46.4 °F

Climate (2020–Present)

Chester County Airport (9.3 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    63 °F
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