Exton Weather Forecast

    • 63
    • 74

    Mostly Cloudy

    • 61
    • 75

    Mostly Cloudy

    • 64
    • 80

    Mostly Cloudy

    • 61
    • 82

    Partly Sunny

    • 62
    • 82

    Mostly Sunny

    • 65
    • 84

    Chance Rain Showers

Today 18 Aug Eastern Chester

Mostly cloudy. Not as warm with Highs in the lower 70s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 18 Aug Eastern Chester

Mostly cloudy. Lows in the lower 60s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Exton Temperature Statistics

August Temperature

Chester County Airport (13 miles)

  • Lowest 9 August, 2025

    55.4 °F

  • Average August

    71.7 °F

  • Highest 15 August, 2025

    89.6 °F

Climate (2020–Present)

Chester County Airport (13 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.1 °F
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