Devon Weather Forecast

    • 69
    • 83

    Increasing Clouds

    • 70
    • 81

    Rain Showers Likely

    • 64
    • 88

    Chance Thunderstorms

    • 60
    • 81

    Mostly Sunny

    • 64
    • 81

    Slight Chance Thunderstorms

    • 69
    • 84

    Chance Rain Showers

Today 18 Jul Eastern Chester

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

Tonight 18 Jul Eastern Chester

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. North Winds around 5 Mph, becoming east after midnight. Chance of rain 40 percent.

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  • Temperature Real-Time

Devon Temperature Statistics

July Temperature

Philadelphia - Wings Field Airport (9.9 miles)

  • Lowest 5 July, 2025

    57.2 °F

  • Average July

    77.1 °F

  • Highest 8 July, 2025

    92.5 °F

Climate (2020–Present)

Philadelphia - Wings Field Airport (9.9 miles)

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  • Average Low 2020–2025

    44.8 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.6 °F
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