Philadelphia International Airport Weather Forecast
- 62
- 87
Mostly Sunny
- 60
- 76
Partly Sunny
- 58
- 74
Mostly Cloudy
- 63
- 79
Partly Sunny
- 66
- 84
Slight Chance Rain Showers
- 64
- 83
Slight Chance Rain Showers
Today 19 Sep Delaware
Patchy fog in the morning. Sunny, hot with Highs in the mid 80s. Northwest Winds around 5 Mph.
Tonight 19 Sep Delaware
Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. North Winds 5 to 10 Mph.
Philadelphia International Airport Temperature Statistics
September Temperature
Philadelphia, Philadelphia International Airport (0.6 miles)
Lowest 8 September, 2025
57 °FAverage September
71.6 °FHighest 6 September, 2025
90 °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
67 °F