Colwyn Weather Forecast
- 27
- 56
Rain Showers
- 26
- 34
Breezy
- 25
- 38
Mostly Cloudy
- 21
- 33
Slight Chance Snow
- 22
- 34
Partly Sunny
- 27
- 38
Slight Chance Freezing Rain
Today 29 Dec Delaware
Cloudy with rain in the Morning, then mostly sunny with a chance of rain in the afternoon. Breezy and not as cool with Highs in the lower 50s. Temperature falling into the lower 40s in the afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming west 15 to 25 Mph with Gusts up to 45 Mph in the afternoon. Chance of rain 90 percent.
Tonight 29 Dec Delaware
Partly cloudy in the Evening, then becoming mostly cloudy. Blustery, cold with Lows in the mid 20s. West Winds 20 to 25 Mph with Gusts up to 45 Mph.
Colwyn Temperature Statistics
December Temperature
Philadelphia, Philadelphia International Airport (2.5 miles)
Lowest 9 December, 2025
18 °FAverage December
35.5 °FHighest 19 December, 2025
61 °F
Climate (2020–Present)
Philadelphia, Philadelphia International Airport (2.5 miles)
Average Low 2020–2025
50.3 °FAverage 2020–2025
58.4 °FAverage High 2020–2025
66.9 °F