Weather on October 21
Oklahoma City, OK
55 Years of Data
Avg High
73°F
Avg Low
49°F
Warmest
2012
77°F avg
Coldest
1976
47°F avg
About This Date
October 21st in Oklahoma City, OK typically brings pleasant fall weather, with average highs around 73°F and lows near 49°F. Over 55 years of records, the warmest October 21st was in 2012 (77°F average), while the coldest was 1976 (47°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 22% of October 21st dates historically, with the wettest October 21st recording 5.18" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Oklahoma City, OK? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 42° | 59° | — | — |
| 2024 | 83° | 54° | 68° | — | — |
| 2023 | 91° | 61° | 76° | — | — |
| 2022 | 89° | 49° | 69° | — | — |
| 2021 | 74° | 43° | 58° | — | — |
| 2020 | 87° | 57° | 72° | — | — |
| 2019 | 70° | 42° | 56° | — | — |
| 2018 | 70° | 40° | 55° | — | — |
| 2017 | 81° | 56° | 68° | 5.18" | — |
| 2016 | 72° | 40° | 56° | — | — |
| 2015 | 83° | 58° | 70° | — | — |
| 2014 | 84° | 60° | 72° | — | — |
| 2013 | 63° | 41° | 52° | — | — |
| 2012warmest | 88° | 67° | 77° | — | — |
| 2011 | 75° | 46° | 61° | — | — |
| 2010 | 84° | 53° | 69° | — | — |
| 2009 | 66° | 57° | 62° | 1.37" | — |
| 2008 | 79° | 51° | 65° | — | — |
| 2007 | 78° | 48° | 63° | 1.35" | — |
| 2006 | 63° | 36° | 49° | — | — |
| 2005 | 62° | 50° | 56° | — | — |
| 2004 | 88° | 55° | 71° | — | — |
| 2003 | 83° | 54° | 68° | — | — |
| 2002 | 63° | 47° | 55° | 0.03" | — |
| 2001 | 78° | 60° | 69° | — | — |
| 2000 | 64° | 58° | 61° | 0.99" | — |
| 1999 | 82° | 48° | 65° | — | — |
| 1998 | 66° | 46° | 56° | 0.03" | — |
| 1997 | 56° | 40° | 48° | — | — |
| 1996 | 58° | 37° | 47° | — | — |
| 1995 | 77° | 38° | 57° | — | — |
| 1994 | 75° | 56° | 65° | 0.1" | — |
| 1993 | 65° | 36° | 50° | — | — |
| 1992 | 79° | 55° | 67° | — | — |
| 1991 | 79° | 50° | 64° | — | — |
| 1990 | 58° | 39° | 48° | — | — |
| 1989 | 77° | 47° | 62° | — | — |
| 1988 | 76° | 50° | 63° | — | — |
| 1987 | 65° | 38° | 51° | — | — |
| 1986 | 64° | 53° | 59° | 3.68" | — |
| 1985 | 72° | 49° | 60° | — | — |
| 1984 | 51° | 45° | 48° | — | — |
| 1983 | 54° | 49° | 51° | 0.1" | — |
| 1982 | 63° | 42° | 52° | — | — |
| 1981 | 68° | 47° | 57° | 0.13" | — |
| 1980 | 79° | 47° | 63° | — | — |
| 1979 | 87° | 57° | 72° | 1.35" | — |
| 1978 | 81° | 52° | 66° | — | — |
| 1977 | 86° | 48° | 67° | — | — |
| 1976coldest | 62° | 32° | 47° | — | — |
| 1975 | 83° | 53° | 68° | — | — |
| 1974 | 73° | 51° | 62° | — | — |
| 1973 | 80° | 55° | 68° | — | — |
| 1972 | 57° | 46° | 52° | 2.79" | — |
| 1971 | 70° | 51° | 60° | — | — |
55 years of data from OKLAHOMA CITY PENN AVE