Downingtown Weather Forecast

    • 0
    • 19

    Decreasing Clouds

    • -1
    • 16

    Partly Sunny

    • 7
    • 18

    Chance Snow

    • 12
    • 22

    Mostly Cloudy

    • 14
    • 29

    Mostly Sunny

    • 14
    • 30

    Partly Sunny

    • 13
    • 29

    Partly Sunny

Today 29 Jan Eastern Chester

Mostly sunny. Cold with Highs around 18. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 14 below this morning.

Tonight 29 Jan Eastern Chester

Mostly clear. Cold with Lows around 1 above. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 10 below.

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Downingtown Temperature Statistics

January Temperature

Chester County Airport (8.7 miles)

  • Lowest 21 January, 2026

    3.7 °F

  • Average January

    29.1 °F

  • Highest 7 January, 2026

    53.6 °F

Climate (2021–Present)

Chester County Airport (8.7 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    63 °F
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