Weather on August 21
Broken Arrow, OK
55 Years of Data
About This Date
August 21st in Broken Arrow, OK typically brings hot summer weather, with average highs around 92°F and lows near 68°F. Over 55 years of records, the warmest August 21st was in 2023 (89°F average), while the coldest was 1977 (71°F) — a 18°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 4.01" 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 Broken Arrow, OK? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 70° | 82° | — | — |
| 2024 | 87° | 68° | 78° | — | — |
| 2023warmest | 103° | 76° | 89° | — | — |
| 2022 | 86° | 74° | 80° | — | — |
| 2021 | 93° | 73° | 83° | 0.76" | — |
| 2020 | 89° | 63° | 76° | — | — |
| 2019 | 98° | 78° | 88° | 0.89" | — |
| 2018 | 85° | 65° | 75° | — | — |
| 2017 | 93° | 78° | 86° | — | — |
| 2016 | 86° | 59° | 73° | — | — |
| 2015 | 85° | 65° | 75° | 0.08" | — |
| 2014 | 97° | 78° | 87° | — | — |
| 2013 | 93° | 67° | 80° | — | — |
| 2012 | 93° | 61° | 77° | — | — |
| 2011 | 96° | 78° | 87° | — | — |
| 2010 | 99° | 77° | 88° | — | — |
| 2009 | 88° | 61° | 74° | — | — |
| 2008 | 85° | 71° | 78° | — | — |
| 2007 | 94° | 79° | 86° | — | — |
| 2006 | 85° | 71° | 78° | 4.01" | — |
| 2005 | 93° | 71° | 82° | 0.25" | — |
| 2004 | 82° | 60° | 71° | — | — |
| 2003 | 100° | 73° | 87° | — | — |
| 2002 | 96° | 76° | 86° | — | — |
| 2001 | 99° | 74° | 86° | — | — |
| 2000 | 100° | 68° | 84° | — | — |
| 1999 | 92° | 66° | 79° | — | — |
| 1998 | 99° | 72° | 85° | — | — |
| 1997 | 90° | 66° | 78° | — | — |
| 1996 | 93° | 68° | 81° | — | — |
| 1995 | 96° | 69° | 83° | — | — |
| 1994 | 82° | 59° | 71° | — | — |
| 1993 | 104° | 69° | 87° | — | — |
| 1992 | 86° | 60° | 73° | — | — |
| 1991 | 86° | 58° | 72° | — | — |
| 1990 | 98° | 72° | 85° | — | — |
| 1989 | 92° | 68° | 80° | — | — |
| 1988 | 94° | 72° | 83° | — | — |
| 1987 | 97° | 71° | 84° | — | — |
| 1986 | 93° | 71° | 82° | — | — |
| 1985 | 92° | 70° | 81° | — | — |
| 1984 | 93° | 72° | 82° | — | — |
| 1983 | 94° | 70° | 82° | — | — |
| 1982 | 85° | 65° | 75° | — | — |
| 1981 | 85° | 59° | 72° | — | — |
| 1980 | 100° | 69° | 85° | 0.25" | — |
| 1979 | 94° | 68° | 81° | 3.05" | — |
| 1978 | 92° | 60° | 76° | — | — |
| 1977coldest | 79° | 63° | 71° | — | — |
| 1976 | 90° | 58° | 74° | — | — |
| 1975 | 92° | 71° | 81° | — | — |
| 1974 | 92° | 66° | 79° | — | — |
| 1973 | 92° | 63° | 77° | — | — |
| 1972 | 100° | 69° | 85° | — | — |
| 1971 | 95° | 67° | 81° | — | — |
Broken Arrow, OK Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Broken Arrow, OK Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Broken Arrow, OK Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Broken Arrow, OK
Broken Arrow, OK has no months that meet our "pleasant" threshold — every season has tradeoffs.