Philadelphia International Airport Weather Forecast
- 54
- 75
Decreasing Clouds
- 53
- 75
Mostly Sunny
- 58
- 76
Mostly Cloudy
- 57
- 74
Partly Sunny
- 59
- 81
Mostly Sunny
- 55
- 77
Mostly Sunny
Today 7 Sep Delaware
Cloudy with a chance of Showers late this Morning, then partly sunny this afternoon. Not as warm with Highs in the lower 70s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.
Tonight 7 Sep Delaware
Mostly clear. Lows in the lower 50s. West Winds around 5 Mph, becoming north after midnight.
Philadelphia International Airport Temperature Statistics
September Temperature
Philadelphia, Philadelphia International Airport (0.6 miles)
Lowest 2 September, 2025
61 °FAverage September
72.6 °FHighest 5 September, 2025
88 °F
Climate (2020–Present)
Philadelphia, Philadelphia International Airport (0.6 miles)
Average Low 2020–2025
50.3 °FAverage 2020–2025
58.4 °FAverage High 2020–2025
66.9 °F