Weather on October 15
Philadelphia, PA
55 Years of Data
Avg High
69°F
Avg Low
52°F
Warmest
1975
75°F avg
Coldest
2009
42°F avg
About This Date
October 15th in Philadelphia, PA typically brings mild fall weather, with average highs around 69°F and lows near 52°F. Over 52 years of records, the warmest October 15th was in 1975 (75°F average), while the coldest was 2009 (42°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 15% of October 15th dates historically, with the wettest October 15th recording 3.18" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Philadelphia, PA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 56° | 62° | — | — |
| 2024 | 68° | 45° | 56° | — | — |
| 2023 | 54° | 48° | 51° | — | — |
| 2022 | 72° | 49° | 60° | — | — |
| 2021 | 79° | 64° | 71° | — | — |
| 2020 | 77° | 57° | 67° | — | — |
| 2019 | 75° | 52° | 63° | 0.05" | — |
| 2016 | 66° | 48° | 57° | — | — |
| 2015 | 66° | 51° | 59° | — | — |
| 2014 | 80° | 70° | 75° | — | — |
| 2013 | 68° | 53° | 61° | — | — |
| 2012 | 75° | 53° | 64° | — | — |
| 2011 | 69° | 55° | 62° | — | — |
| 2010 | 59° | 48° | 54° | 1.65" | — |
| 2009coldest | 45° | 39° | 42° | 1.63" | — |
| 2008 | 79° | 65° | 72° | — | — |
| 2007 | 69° | 50° | 60° | — | — |
| 2006 | 59° | 42° | 51° | — | — |
| 2005 | 78° | 61° | 69° | — | — |
| 2004 | 68° | 54° | 61° | 0.25" | — |
| 2003 | 62° | 51° | 57° | — | — |
| 2001 | 69° | 56° | 62° | — | — |
| 2000 | 80° | 59° | 70° | — | — |
| 1999 | 64° | 44° | 54° | — | — |
| 1998 | 64° | 49° | 56° | — | — |
| 1997 | 61° | 52° | 56° | 0.58" | — |
| 1996 | 61° | 44° | 52° | — | — |
| 1995 | 62° | 50° | 56° | 3.18" | — |
| 1994 | 62° | 50° | 56° | — | — |
| 1993 | 70° | 56° | 63° | — | — |
| 1992 | 80° | 53° | 67° | — | — |
| 1991 | 66° | 53° | 60° | — | — |
| 1990 | 75° | 60° | 68° | — | — |
| 1989 | 80° | 60° | 70° | — | — |
| 1988 | 71° | 45° | 58° | — | — |
| 1987 | 71° | 44° | 58° | — | — |
| 1986 | 60° | 46° | 53° | — | — |
| 1985 | 83° | 67° | 75° | — | — |
| 1984 | 74° | 58° | 66° | — | — |
| 1983 | 69° | 52° | 60° | — | — |
| 1982 | 69° | 52° | 60° | — | — |
| 1981 | 67° | 47° | 57° | — | — |
| 1980 | 63° | 50° | 56° | — | — |
| 1979 | 62° | 42° | 52° | — | — |
| 1978 | 54° | 43° | 48° | — | — |
| 1977 | 64° | 43° | 53° | 0.18" | — |
| 1976 | 72° | 49° | 60° | — | — |
| 1975warmest | 84° | 66° | 75° | — | — |
| 1974 | 76° | 54° | 65° | 0.86" | — |
| 1973 | 78° | 58° | 68° | — | — |
| 1972 | 61° | 48° | 54° | — | — |
| 1971 | 78° | 60° | 69° | — | — |
52 years of data from PHILADELPHIA WSFO