Colwyn Weather Forecast

    • 46
    • 64

    Becoming Sunny

    • 50
    • 68

    Mostly Sunny

    • 54
    • 71

    Rain Showers

    • 51
    • 69

    Chance Rain Showers

    • 54
    • 71

    Slight Chance Rain Showers

    • 59
    • 79

    Partly Sunny

Today 11 May Delaware

Partly sunny. A slight chance of Showers in the morning. Not as warm with Highs in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 11 May Delaware

Partly cloudy in the Evening, then clearing. Lows in the mid 40s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Colwyn Temperature Statistics

May Temperature

Philadelphia, Philadelphia International Airport (2.5 miles)

  • Lowest 1 May, 2026

    47.6 °F

  • Average May

    61.8 °F

  • Highest 5 May, 2026

    86.6 °F

Climate (2021–Present)

Philadelphia, Philadelphia International Airport (2.5 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    67 °F
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