Weather on April 18
Philadelphia, PA
55 Years of Data
Avg High
67°F
Avg Low
49°F
Warmest
1976
84°F avg
Coldest
1997
42°F avg
About This Date
April 18th in Philadelphia, PA typically brings mild spring weather, with average highs around 67°F and lows near 49°F. Over 53 years of records, the warmest April 18th was in 1976 (84°F average), while the coldest was 1997 (42°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 15% of April 18th dates historically, with the wettest April 18th recording 0.58" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 18th in Philadelphia, PA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 48° | 56° | — | — |
| 2024 | 68° | 49° | 58° | — | — |
| 2023 | 69° | 52° | 60° | — | — |
| 2022 | 77° | 44° | 61° | — | — |
| 2021 | 60° | 50° | 55° | — | — |
| 2019 | 68° | 44° | 56° | — | — |
| 2018 | 47° | 38° | 42° | — | — |
| 2017 | 73° | 61° | 67° | 0.08" | — |
| 2016 | 75° | 53° | 64° | — | — |
| 2015 | 74° | 48° | 61° | — | — |
| 2014 | 52° | 38° | 45° | — | — |
| 2013 | 74° | 53° | 63° | — | — |
| 2012 | 79° | 52° | 65° | — | — |
| 2011 | 62° | 51° | 57° | — | — |
| 2010 | 60° | 40° | 50° | — | — |
| 2009 | 79° | 58° | 68° | 0.05" | — |
| 2008 | 86° | 60° | 73° | — | — |
| 2007 | 53° | 41° | 47° | 0.08" | — |
| 2006 | 76° | 52° | 64° | — | — |
| 2005 | 79° | 55° | 67° | — | — |
| 2004 | 89° | 57° | 73° | — | — |
| 2003 | 50° | 40° | 45° | 0.15" | — |
| 2002 | 94° | 75° | 84° | 0.08" | — |
| 2000 | 49° | 42° | 45° | 0.08" | — |
| 1999 | 60° | 46° | 53° | — | — |
| 1998 | 69° | 49° | 59° | 0.58" | — |
| 1997coldest | 49° | 36° | 42° | 0.33" | — |
| 1996 | 69° | 43° | 56° | — | — |
| 1995 | 64° | 45° | 54° | — | — |
| 1994 | 64° | 51° | 58° | — | — |
| 1993 | 61° | 41° | 51° | — | — |
| 1992 | 49° | 42° | 45° | — | — |
| 1991 | 57° | 45° | 51° | — | — |
| 1990 | 55° | 38° | 46° | — | — |
| 1989 | 75° | 58° | 66° | — | — |
| 1988 | 61° | 48° | 54° | — | — |
| 1987 | 62° | 53° | 58° | — | — |
| 1986 | 72° | 51° | 61° | — | — |
| 1985 | 74° | 47° | 60° | — | — |
| 1984 | 67° | 51° | 59° | — | — |
| 1983 | 52° | 35° | 43° | — | — |
| 1982 | 66° | 49° | 57° | — | — |
| 1981 | 79° | 55° | 67° | — | — |
| 1980 | 67° | 45° | 56° | — | — |
| 1979 | 62° | 46° | 54° | — | — |
| 1978 | 62° | 40° | 51° | — | — |
| 1977 | 76° | 52° | 64° | — | — |
| 1976warmest | 96° | 71° | 84° | — | — |
| 1975 | 67° | 50° | 58° | — | — |
| 1974 | 70° | 51° | 60° | — | — |
| 1973 | 78° | 62° | 70° | — | — |
| 1972 | 69° | 49° | 59° | — | — |
| 1971 | 66° | 43° | 54° | — | — |
53 years of data from PHILADELPHIA WSFO