Colwyn Weather Forecast

    • 67
    • 80

    Rain Showers

    • 66
    • 79

    Chance Rain Showers

    • 67
    • 83

    Partly Sunny

    • 72
    • 88

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 68
    • 88

    Chance Thunderstorms

Today 6 Jul Delaware

Mostly cloudy. Showers likely with a slight chance of Thunderstorms this Morning, then Showers with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this morning. Some Thunderstorms may produce heavy rainfall this afternoon. Not as warm with Highs in the upper 70s. Northeast Winds around 5 Mph. Chance of rain 80 percent.

Tonight 6 Jul Delaware

Cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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Colwyn Temperature Statistics

July Temperature

Philadelphia, Philadelphia International Airport (2.5 miles)

  • Lowest 1 July, 2026

    74.6 °F

  • Average July

    90.2 °F

  • Highest 2 July, 2026

    103.6 °F

Climate (2021–2026)

Philadelphia, Philadelphia International Airport (2.5 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    67.1 °F
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