Colwyn Weather Forecast

    • 68
    • 87

    Rain Showers

    • 63
    • 80

    Chance Rain Showers

    • 65
    • 85

    Mostly Sunny

    • 67
    • 89

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 67
    • 85

    Chance Rain Showers

Today 22 Jun Delaware

Mostly cloudy. A slight chance of Showers late this Morning, then a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may be severe with damaging Winds. Locally heavy rainfall possible this afternoon. Hot with Highs in the mid 80s. East Winds around 10 Mph, becoming southeast this afternoon. Chance of rain 50 percent.

Tonight 22 Jun Delaware

Showers with a chance of Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds in the evening. Locally heavy rainfall possible. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight. Chance of rain 90 percent.

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Colwyn Temperature Statistics

June Temperature

Philadelphia, Philadelphia International Airport (2.5 miles)

  • Lowest 2 June, 2026

    53.7 °F

  • Average June

    77.3 °F

  • Highest 12 June, 2026

    98.7 °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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