Colwyn Weather Forecast

    • 50
    • 56

    Rain

    • 32
    • 68

    Rain Showers

    • 25
    • 42

    Partly Sunny

    • 28
    • 41

    Mostly Cloudy

    • 36
    • 51

    Mostly Cloudy

    • 40
    • 55

    Chance Rain Showers

    • 38
    • 58

    Slight Chance Rain Showers

Today 15 Mar Delaware

Mostly cloudy. Highs in the mid 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 15 Mar Delaware

A chance of rain this Evening, then rain with a slight chance of Thunderstorms after midnight. Not as cool with Lows in the upper 40s. Temperature rising into the mid 50s after midnight. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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Colwyn Temperature Statistics

March Temperature

Philadelphia, Philadelphia International Airport (2.5 miles)

  • Lowest 2 March, 2026

    26.7 °F

  • Average March

    48.1 °F

  • Highest 10 March, 2026

    82.9 °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

    58.3 °F

  • Average High 2021–2026

    66.9 °F
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