Weather on November 21
Dayton, OH
55 Years of Data
Avg High
51°F
Avg Low
35°F
Warmest
2007
62°F avg
Coldest
2000
19°F avg
About This Date
November 21st in Dayton, OH typically brings cool fall weather, with average highs around 51°F and lows near 35°F. Over 55 years of records, the warmest November 21st was in 2007 (62°F average), while the coldest was 2000 (19°F) — a 43°F range across recorded history. Precipitation has occurred on 33% of recorded November 21st dates, with snow falling 2% of the time (heaviest snowfall: 1.7"). The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for November 21st in Dayton, OH? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 48° | 42° | 45° | 0.56" | — |
| 2024 | 38° | 31° | 35° | 0.25" | 1.7" |
| 2023 | 52° | 42° | 47° | 0.79" | — |
| 2022 | 50° | 24° | 37° | — | — |
| 2021 | 45° | 37° | 41° | 0.64" | — |
| 2020 | 68° | 48° | 58° | — | — |
| 2019 | 52° | 41° | 46° | — | — |
| 2018 | 35° | 25° | 30° | — | — |
| 2017 | 47° | 28° | 37° | — | — |
| 2016 | 31° | 26° | 28° | — | — |
| 2015 | 50° | 31° | 40° | — | — |
| 2014 | 30° | 13° | 21° | — | — |
| 2013 | 51° | 33° | 42° | 0.28" | — |
| 2012 | 59° | 39° | 49° | — | — |
| 2011 | 60° | 44° | 52° | 0.63" | — |
| 2010 | 48° | 36° | 42° | — | — |
| 2009 | 54° | 31° | 42° | — | — |
| 2008 | 37° | 25° | 31° | — | — |
| 2007warmest | 65° | 59° | 62° | — | — |
| 2006 | 41° | 24° | 33° | — | — |
| 2005 | 57° | 31° | 44° | — | — |
| 2004 | 58° | 45° | 51° | — | — |
| 2003 | 63° | 40° | 51° | — | — |
| 2002 | 59° | 35° | 47° | — | — |
| 2001 | 43° | 33° | 38° | — | — |
| 2000coldest | 26° | 13° | 19° | — | — |
| 1999 | 68° | 35° | 52° | — | — |
| 1998 | 46° | 32° | 39° | — | — |
| 1997 | 56° | 32° | 44° | — | — |
| 1996 | 39° | 30° | 35° | 0.2" | — |
| 1995 | 54° | 35° | 44° | 0.03" | — |
| 1994 | 61° | 46° | 53° | 0.48" | — |
| 1993 | 39° | 28° | 34° | — | — |
| 1992 | 68° | 43° | 55° | 0.81" | — |
| 1991 | 67° | 49° | 58° | 0.03" | — |
| 1990 | 60° | 41° | 51° | — | — |
| 1989 | 61° | 33° | 47° | — | — |
| 1988 | 60° | 37° | 49° | 0.41" | — |
| 1987 | 34° | 20° | 27° | — | — |
| 1986 | 44° | 36° | 40° | 0.89" | — |
| 1985 | 42° | 25° | 33° | — | — |
| 1984 | 35° | 21° | 28° | — | — |
| 1983 | 61° | 42° | 51° | 0.51" | — |
| 1982 | 62° | 55° | 59° | 1.93" | — |
| 1981 | 38° | 30° | 34° | — | — |
| 1980 | 44° | 27° | 35° | — | — |
| 1979 | 66° | 46° | 56° | — | — |
| 1978 | 46° | 37° | 42° | — | — |
| 1977 | 58° | 43° | 50° | 1.83" | — |
| 1976 | 50° | 34° | 42° | — | — |
| 1975 | 64° | 38° | 51° | 0.51" | — |
| 1974 | 50° | 34° | 42° | — | — |
| 1973 | 59° | 43° | 51° | 0.3" | — |
| 1972 | 42° | 32° | 37° | — | — |
| 1971 | 46° | 33° | 40° | — | — |
55 years of data from DAYTON MCD