Weather on March 18
Philadelphia, PA
55 Years of Data
Avg High
53°F
Avg Low
37°F
Warmest
1995
60°F avg
Coldest
1993
24°F avg
About This Date
March 18th in Philadelphia, PA typically brings cool spring weather, with average highs around 53°F and lows near 37°F. Over 53 years of records, the warmest March 18th was in 1995 (60°F average), while the coldest was 1993 (24°F) — a 36°F range across recorded history. Precipitation has occurred on 15% of recorded March 18th dates, with snow falling 2% of the time. 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 March 18th in Philadelphia, PA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 33° | 47° | — | — |
| 2023 | 62° | 42° | 52° | — | — |
| 2022 | 57° | 51° | 54° | 0.28" | — |
| 2021 | 49° | 39° | 44° | 0.58" | — |
| 2019 | 48° | 34° | 41° | — | — |
| 2018 | 39° | 33° | 36° | — | — |
| 2017 | 45° | 29° | 37° | — | — |
| 2016 | 72° | 48° | 60° | — | — |
| 2015 | 59° | 40° | 49° | — | — |
| 2014 | 33° | 23° | 28° | — | — |
| 2013 | 42° | 31° | 36° | — | — |
| 2012 | 72° | 46° | 59° | — | — |
| 2011 | 65° | 49° | 57° | — | — |
| 2010 | 68° | 42° | 55° | — | — |
| 2009 | 63° | 46° | 54° | — | — |
| 2008 | 48° | 40° | 44° | 0.64" | — |
| 2007 | 39° | 26° | 33° | — | — |
| 2006 | 56° | 30° | 43° | — | — |
| 2005 | 55° | 36° | 45° | — | — |
| 2004 | 45° | 33° | 39° | 1.78" | 1" |
| 2003 | 69° | 48° | 59° | — | — |
| 2002 | 46° | 37° | 42° | 0.28" | — |
| 2001 | 49° | 35° | 42° | — | — |
| 2000 | 44° | 32° | 38° | — | — |
| 1999 | 70° | 45° | 57° | — | — |
| 1998 | 43° | 38° | 40° | 3.91" | — |
| 1997 | 54° | 43° | 48° | — | — |
| 1996 | 63° | 40° | 51° | — | — |
| 1995warmest | 72° | 49° | 60° | — | — |
| 1994 | 39° | 31° | 35° | — | — |
| 1993coldest | 33° | 14° | 24° | — | — |
| 1992 | 46° | 31° | 38° | — | — |
| 1991 | 55° | 41° | 48° | — | — |
| 1990 | 60° | 50° | 55° | — | — |
| 1989 | 76° | 38° | 57° | — | — |
| 1988 | 44° | 34° | 39° | — | — |
| 1987 | 58° | 37° | 47° | — | — |
| 1986 | 60° | 41° | 51° | — | — |
| 1985 | 41° | 27° | 34° | — | — |
| 1984 | 51° | 39° | 45° | — | — |
| 1983 | 56° | 38° | 47° | — | — |
| 1982 | 57° | 36° | 46° | — | — |
| 1981 | 43° | 20° | 31° | — | — |
| 1980 | 58° | 40° | 49° | — | — |
| 1979 | 57° | 38° | 47° | — | — |
| 1978 | 41° | 28° | 35° | — | — |
| 1977 | 51° | 39° | 45° | 1.45" | — |
| 1976 | 42° | 24° | 33° | 0.05" | — |
| 1975 | 51° | 36° | 43° | — | — |
| 1974 | 51° | 35° | 43° | — | — |
| 1973 | 42° | 37° | 40° | — | — |
| 1972 | 53° | 44° | 49° | — | — |
| 1971 | 49° | 31° | 40° | — | — |
53 years of data from PHILADELPHIA WSFO