Philadelphia Weather Forecast
- 46
- 66
Mostly Sunny
- 61
- 72
Chance Rain Showers
- 57
- 76
Chance Rain Showers
- 55
- 73
Chance Rain Showers
- 51
- 71
Partly Sunny
- 51
- 67
Chance Rain Showers
Today 14 Sep Jefferson
Sunny. Highs Ranging from the mid 60s inland to the upper 60s along the lake Ontario shore. Northwest Winds 5 to 10 Mph.
Tonight 14 Sep Jefferson
Mainly clear with some patchy fog developing overnight. Lows Ranging from the mid 40s across the tug hill to the lower 50s along the lake Ontario shore. Light Winds.
Philadelphia Temperature Statistics
September Temperature
Fort Drum / Wheeler-Sack U. S. Army Airfield (6.8 miles)
Lowest 11 September, 2026
48.2 °FAverage September
66.9 °FHighest 2 September, 2026
82.2 °F
Climate (2021–2026)
Fort Drum / Wheeler-Sack U. S. Army Airfield (6.8 miles)
Average Low 2021–2026
39.3 °FAverage 2021–2026
47.8 °FAverage High 2021–2026
55.9 °F