Weather on August 21
Edmond, OK
55 Years of Data
Avg High
94°F
Avg Low
70°F
Warmest
1987
90°F avg
Coldest
2004
63°F avg
About This Date
August 21st in Edmond, OK typically brings hot summer weather, with average highs around 94°F and lows near 70°F. Over 55 years of records, the warmest August 21st was in 1987 (90°F average), while the coldest was 2004 (63°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 21st dates historically, with the wettest August 21st recording 3.71" of rain. 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 August 21st in Edmond, OK? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 68° | 82° | — | — |
| 2024 | 91° | 71° | 81° | — | — |
| 2023 | 102° | 74° | 88° | — | — |
| 2022 | 80° | 70° | 75° | 0.23" | — |
| 2021 | 96° | 71° | 84° | 0.53" | — |
| 2020 | 91° | 66° | 79° | — | — |
| 2019 | 100° | 72° | 86° | — | — |
| 2018 | 84° | 62° | 73° | — | — |
| 2017 | 94° | 77° | 85° | — | — |
| 2016 | 86° | 57° | 72° | — | — |
| 2015 | 87° | 66° | 77° | — | — |
| 2014 | 97° | 78° | 87° | — | — |
| 2013 | 91° | 68° | 80° | — | — |
| 2012 | 90° | 63° | 76° | — | — |
| 2011 | 96° | 75° | 86° | — | — |
| 2010 | 100° | 76° | 88° | — | — |
| 2009 | 88° | 62° | 75° | — | — |
| 2008 | 77° | 66° | 72° | — | — |
| 2007 | 92° | 76° | 84° | — | — |
| 2006 | 95° | 74° | 84° | — | — |
| 2005 | 96° | 69° | 83° | 3.71" | — |
| 2004coldest | 74° | 53° | 63° | — | — |
| 2003 | 102° | 79° | 90° | — | — |
| 2002 | 93° | 76° | 84° | — | — |
| 2001 | 98° | 70° | 84° | — | — |
| 2000 | 101° | 70° | 85° | — | — |
| 1999 | 93° | 60° | 77° | — | — |
| 1998 | 103° | 72° | 87° | — | — |
| 1997 | 87° | 68° | 78° | — | — |
| 1996 | 91° | 71° | 81° | — | — |
| 1995 | 98° | 73° | 86° | — | — |
| 1994 | 87° | 62° | 75° | — | — |
| 1993 | 106° | 72° | 89° | — | — |
| 1992 | 87° | 64° | 76° | — | — |
| 1991 | 93° | 69° | 81° | 1.78" | — |
| 1990 | 100° | 73° | 87° | — | — |
| 1989 | 95° | 77° | 86° | — | — |
| 1988 | 105° | 75° | 90° | — | — |
| 1987warmest | 100° | 80° | 90° | — | — |
| 1986 | 94° | 73° | 83° | — | — |
| 1985 | 90° | 74° | 82° | — | — |
| 1984 | 102° | 73° | 88° | — | — |
| 1983 | 97° | 69° | 83° | 0.81" | — |
| 1982 | 100° | 76° | 88° | — | — |
| 1981 | 87° | 60° | 74° | — | — |
| 1980 | 95° | 72° | 83° | 1.47" | — |
| 1979 | 92° | 61° | 76° | 3.51" | — |
| 1978 | 100° | 72° | 86° | — | — |
| 1977 | 90° | 68° | 79° | — | — |
| 1976 | 97° | 66° | 81° | — | — |
| 1975 | 95° | 73° | 84° | — | — |
| 1974 | 93° | 73° | 83° | — | — |
| 1973 | 94° | 69° | 81° | — | — |
| 1972 | 104° | 74° | 89° | — | — |
| 1971 | 89° | 71° | 80° | — | — |
55 years of data from LAKE HEFNER 2