Weather on October 21
Cincinnati, OH
55 Years of Data
Avg High
65°F
Avg Low
44°F
Warmest
1979
73°F avg
Coldest
1974
40°F avg
About This Date
October 21st in Cincinnati, OH typically brings mild fall weather, with average highs around 65°F and lows near 44°F. Over 55 years of records, the warmest October 21st was in 1979 (73°F average), while the coldest was 1974 (40°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 25% of October 21st dates historically, with the wettest October 21st recording 3.35" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Cincinnati, OH? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 46° | 56° | — | — |
| 2024 | 76° | 40° | 58° | — | — |
| 2023 | 69° | 39° | 54° | — | — |
| 2022 | 73° | 30° | 52° | — | — |
| 2021 | 74° | 51° | 62° | — | — |
| 2020 | 72° | 53° | 62° | 0.1" | — |
| 2019 | 76° | 49° | 62° | 0.15" | — |
| 2018 | 51° | 34° | 42° | — | — |
| 2017 | 73° | 46° | 60° | — | — |
| 2016 | 64° | 48° | 56° | 3.35" | — |
| 2015 | 71° | 48° | 60° | — | — |
| 2014 | 63° | 46° | 54° | 0.05" | — |
| 2013 | 61° | 39° | 50° | — | — |
| 2012 | 52° | 37° | 44° | 0.23" | — |
| 2011 | 43° | 39° | 41° | 0.43" | — |
| 2010 | 68° | 39° | 54° | — | — |
| 2009 | 69° | 45° | 57° | — | — |
| 2008 | 68° | 38° | 53° | — | — |
| 2007 | 72° | 54° | 63° | — | — |
| 2006 | 52° | 36° | 44° | — | — |
| 2005 | 58° | 47° | 52° | 1.83" | — |
| 2004 | 58° | 53° | 55° | 0.48" | — |
| 2003 | 77° | 48° | 63° | — | — |
| 2002 | 52° | 37° | 44° | — | — |
| 2001 | 71° | 46° | 59° | — | — |
| 2000 | 76° | 46° | 61° | — | — |
| 1999 | 63° | 33° | 48° | — | — |
| 1998 | 63° | 43° | 53° | 0.46" | — |
| 1997 | 61° | 37° | 49° | — | — |
| 1996 | 63° | 48° | 55° | — | — |
| 1995 | 50° | 38° | 44° | 0.1" | — |
| 1994 | 70° | 38° | 54° | — | — |
| 1993 | 71° | 41° | 56° | 0.28" | — |
| 1992 | 65° | 44° | 54° | — | — |
| 1991 | 69° | 32° | 51° | — | — |
| 1990 | 74° | 59° | 66° | — | — |
| 1989 | 61° | 38° | 49° | — | — |
| 1988 | 51° | 41° | 46° | — | — |
| 1987 | 51° | 32° | 42° | — | — |
| 1986 | 75° | 40° | 57° | — | — |
| 1985 | 57° | 52° | 54° | — | — |
| 1984 | 68° | 56° | 62° | 0.71" | — |
| 1983 | 57° | 51° | 54° | 0.41" | — |
| 1982 | 48° | 40° | 44° | — | — |
| 1981 | 72° | 44° | 58° | — | — |
| 1980 | 73° | 48° | 61° | — | — |
| 1979warmest | 83° | 64° | 73° | — | — |
| 1978 | 75° | 45° | 60° | — | — |
| 1977 | 72° | 41° | 56° | — | — |
| 1976 | 52° | 36° | 44° | — | — |
| 1975 | 77° | 52° | 64° | — | — |
| 1974coldest | 54° | 26° | 40° | — | — |
| 1973 | 67° | 43° | 55° | — | — |
| 1972 | 55° | 44° | 50° | — | — |
| 1971 | 69° | 59° | 64° | 0.15" | — |
55 years of data from CINCINNATI ABBE WSMO