Chestnut Hill Weather Forecast
- 51
- 73
Rain Showers Likely
- 51
- 74
Mostly Sunny
- 55
- 76
Partly Sunny
- 54
- 73
Partly Sunny
- 57
- 79
Mostly Sunny
- 53
- 75
Mostly Sunny
Today 7 Sep Philadelphia
Mostly cloudy. A chance of Showers late this Morning, then a slight chance of Showers this afternoon. Not as warm with Highs in the mid 70s. Northwest Winds 5 to 10 Mph. Chance of rain 40 percent.
Tonight 7 Sep Philadelphia
Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 50s. West Winds around 5 Mph, becoming north after midnight.
Chestnut Hill Temperature Statistics
September Temperature
Philadelphia - Wings Field Airport (5.6 miles)
Lowest 1 September, 2025
51.1 °FAverage September
69.6 °FHighest 4 September, 2025
84.2 °F
Climate (2020–Present)
Philadelphia - Wings Field Airport (5.6 miles)
Average Low 2020–2025
44.7 °FAverage 2020–2025
55.2 °FAverage High 2020–2025
64.6 °F