Downingtown Weather Forecast

    • 63
    • 81

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 69
    • 87

    Mostly Sunny

    • 73
    • 93

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 69
    • 83

    Chance Thunderstorms

    • 69
    • 87

    Slight Chance Thunderstorms

Today 22 Jul Eastern Chester

Mostly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 22 Jul Eastern Chester

Mostly clear this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 60s. East Winds around 5 Mph.

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Downingtown Temperature Statistics

July Temperature

Chester County Airport (8.7 miles)

  • Lowest 5 July, 2025

    59 °F

  • Average July

    76.1 °F

  • Highest 8 July, 2025

    89.6 °F

Climate (2020–Present)

Chester County Airport (8.7 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.1 °F
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