Weather on November 21
Philadelphia, PA
55 Years of Data
Avg High
53°F
Avg Low
40°F
Warmest
1991
65°F avg
Coldest
1987
27°F avg
About This Date
November 21st in Philadelphia, PA typically brings cool fall weather, with average highs around 53°F and lows near 40°F. Over 55 years of records, the warmest November 21st was in 1991 (65°F average), while the coldest was 1987 (27°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 16% of November 21st dates historically, with the wettest November 21st recording 2.59" of rain. The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
Planning for November 21st in Philadelphia, PA? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 43° | 48° | — | — |
| 2024 | 65° | 45° | 55° | — | — |
| 2023 | 49° | 36° | 42° | — | — |
| 2022 | 36° | 27° | 31° | — | — |
| 2021 | 48° | 34° | 41° | — | — |
| 2020 | 64° | 44° | 54° | — | — |
| 2019 | 52° | 42° | 47° | — | — |
| 2018 | 50° | 35° | 43° | — | — |
| 2017 | 48° | 37° | 43° | — | — |
| 2016 | 44° | 37° | 41° | — | — |
| 2015 | 55° | 41° | 48° | — | — |
| 2014 | 50° | 28° | 39° | — | — |
| 2013 | 46° | 35° | 41° | — | — |
| 2012 | 52° | 42° | 47° | — | — |
| 2011 | 56° | 47° | 51° | 0.58" | — |
| 2010 | 55° | 41° | 48° | — | — |
| 2009 | 57° | 44° | 51° | — | — |
| 2008 | 36° | 27° | 31° | 0.05" | — |
| 2007 | 64° | 48° | 56° | — | — |
| 2006 | 43° | 32° | 37° | — | — |
| 2005 | 52° | 45° | 48° | 2.03" | — |
| 2004 | 53° | 50° | 52° | — | — |
| 2003 | 68° | 46° | 57° | — | — |
| 2002 | 57° | 43° | 50° | 0.69" | — |
| 2001 | 48° | 35° | 42° | — | — |
| 2000 | 39° | 29° | 34° | — | — |
| 1999 | 72° | 55° | 63° | — | — |
| 1998 | 49° | 39° | 44° | — | — |
| 1997 | 60° | 42° | 51° | 2.59" | — |
| 1996 | 40° | 31° | 35° | — | — |
| 1995 | 57° | 39° | 48° | — | — |
| 1994 | 54° | 45° | 49° | — | — |
| 1993 | 48° | 32° | 40° | — | — |
| 1992 | 64° | 41° | 53° | — | — |
| 1991warmest | 69° | 61° | 65° | — | — |
| 1990 | 55° | 40° | 47° | — | — |
| 1989 | 44° | 27° | 35° | — | — |
| 1988 | 59° | 42° | 51° | — | — |
| 1987coldest | 35° | 20° | 27° | — | — |
| 1986 | 49° | 37° | 43° | — | — |
| 1985 | 62° | 42° | 52° | — | — |
| 1984 | 47° | 31° | 39° | — | — |
| 1983 | 63° | 52° | 57° | — | — |
| 1982 | 67° | 50° | 58° | — | — |
| 1981 | 46° | 40° | 43° | — | — |
| 1980 | 51° | 36° | 43° | — | — |
| 1979 | 66° | 49° | 57° | — | — |
| 1978 | 46° | 37° | 42° | — | — |
| 1977 | 55° | 42° | 49° | 0.18" | — |
| 1976 | 48° | 38° | 43° | — | — |
| 1975 | 64° | 46° | 55° | 0.76" | — |
| 1974 | 50° | 37° | 44° | 0.13" | — |
| 1973 | 57° | 42° | 50° | 0.03" | — |
| 1972 | 43° | 32° | 37° | — | — |
| 1971 | 51° | 42° | 47° | — | — |
55 years of data from PHILADELPHIA CITY