Weather on June 18
Philadelphia, PA
55 Years of Data
Avg High
84°F
Avg Low
66°F
Warmest
2014
88°F avg
Coldest
1973
63°F avg
About This Date
June 18th in Philadelphia, PA typically brings warm summer weather, with average highs around 84°F and lows near 66°F. Over 54 years of records, the warmest June 18th was in 2014 (88°F average), while the coldest was 1973 (63°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 20% of June 18th dates historically, with the wettest June 18th recording 4.47" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Philadelphia, PA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 66° | 70° | — | — |
| 2024 | 90° | 72° | 81° | — | — |
| 2023 | 80° | 63° | 71° | — | — |
| 2022 | 95° | 70° | 82° | — | — |
| 2021 | 81° | 60° | 70° | — | — |
| 2019 | 86° | 71° | 79° | 0.05" | — |
| 2018 | 94° | 72° | 83° | — | — |
| 2017 | 81° | 68° | 74° | — | — |
| 2016 | 85° | 62° | 73° | — | — |
| 2015 | 83° | 64° | 73° | 1.63" | — |
| 2014warmest | 95° | 80° | 88° | — | — |
| 2013 | 88° | 70° | 79° | — | — |
| 2012 | 81° | 62° | 71° | — | — |
| 2011 | 87° | 71° | 79° | — | — |
| 2010 | 82° | 63° | 72° | — | — |
| 2009 | 70° | 63° | 66° | 0.25" | — |
| 2008 | 77° | 57° | 67° | 0.03" | — |
| 2007 | 91° | 71° | 81° | — | — |
| 2006 | 96° | 74° | 85° | — | — |
| 2005 | 82° | 63° | 72° | — | — |
| 2004 | 93° | 65° | 79° | — | — |
| 2003 | 78° | 60° | 69° | 0.08" | — |
| 2002 | 85° | 60° | 72° | 0.56" | — |
| 2001 | 88° | 67° | 77° | — | — |
| 2000 | 82° | 70° | 76° | 4.47" | — |
| 1999 | 78° | 59° | 69° | — | — |
| 1998 | 88° | 70° | 79° | — | — |
| 1997 | 87° | 66° | 77° | 1.19" | — |
| 1996 | 82° | 68° | 75° | 3" | — |
| 1995 | 86° | 64° | 75° | — | — |
| 1994 | 90° | 70° | 80° | — | — |
| 1993 | 90° | 68° | 79° | — | — |
| 1992 | 79° | 59° | 69° | — | — |
| 1991 | 68° | 61° | 64° | — | — |
| 1990 | 86° | 65° | 75° | — | — |
| 1989 | 84° | 67° | 75° | — | — |
| 1988 | 85° | 69° | 77° | — | — |
| 1987 | 87° | 65° | 76° | — | — |
| 1986 | 76° | 58° | 67° | — | — |
| 1985 | 82° | 69° | 76° | — | — |
| 1984 | 77° | 66° | 72° | — | — |
| 1983 | 88° | 68° | 78° | — | — |
| 1982 | 85° | 69° | 77° | — | — |
| 1981 | 86° | 67° | 76° | — | — |
| 1980 | 74° | 60° | 67° | — | — |
| 1979 | 83° | 62° | 72° | — | — |
| 1978 | 88° | 60° | 74° | — | — |
| 1977 | 87° | 67° | 77° | — | — |
| 1976 | 89° | 71° | 80° | — | — |
| 1975 | 90° | 69° | 79° | — | — |
| 1974 | 80° | 63° | 71° | — | — |
| 1973coldest | 67° | 60° | 63° | 0.13" | — |
| 1972 | 71° | 66° | 69° | 1.65" | — |
| 1971 | 84° | 63° | 73° | — | — |
54 years of data from PHILADELPHIA WSFO