Colwyn Weather Forecast

    • 54
    • 72

    Chance Rain

    • 52
    • 59

    Rain Likely

    • 51
    • 61

    Rain Showers Likely

    • 49
    • 63

    Chance Rain Showers

    • 50
    • 65

    Mostly Sunny

    • 54
    • 70

    Mostly Cloudy

    • 56
    • 73

    Chance Rain Showers

Today 20 May Delaware

Mostly sunny. Highs around 70. North Winds 5 to 10 Mph.

Tonight 20 May Delaware

Mostly cloudy. A chance of rain after midnight. Lows in the lower 50s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph after midnight. Chance of rain 40 percent.

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Colwyn Temperature Statistics

May Temperature

Philadelphia, Philadelphia International Airport (2.5 miles)

  • Lowest 10 May, 2025

    49.6 °F

  • Average May

    68.4 °F

  • Highest 2 May, 2025

    86.6 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (2.5 miles)

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  • Average Low 2020–2025

    50.3 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    66.9 °F
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