Weather on March 21
Broken Arrow, OK
55 Years of Data
Avg High
64°F
Avg Low
40°F
Warmest
2026
78°F avg
Coldest
1974
28°F avg
About This Date
March 21st in Broken Arrow, OK typically brings mild spring weather, with average highs around 64°F and lows near 40°F. Over 56 years of records, the warmest March 21st was in 2026 (78°F average), while the coldest was 1974 (28°F) — a 50°F range across recorded history. Precipitation has occurred on 25% of recorded March 21st dates, with snow falling 2% of the time (heaviest snowfall: 1.4"). The last decade has been 10.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 10.4°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Broken Arrow, OK? Great weather for outdoor activities.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 95° | 60° | 78° | — | — |
| 2025 | 72° | 45° | 58° | — | — |
| 2024 | 68° | 48° | 58° | — | — |
| 2023 | 58° | 44° | 51° | 0.94" | — |
| 2022 | 64° | 51° | 58° | 4.06" | — |
| 2021 | 70° | 47° | 58° | — | — |
| 2020 | 55° | 30° | 43° | 0.05" | — |
| 2019 | 68° | 39° | 54° | — | — |
| 2018 | 63° | 33° | 48° | — | — |
| 2017 | 83° | 57° | 70° | — | — |
| 2016 | 67° | 35° | 51° | — | — |
| 2015 | 67° | 43° | 55° | — | — |
| 2014 | 77° | 48° | 63° | — | — |
| 2013 | 42° | 36° | 39° | 0.15" | — |
| 2012 | 60° | 45° | 52° | 1.27" | — |
| 2011 | 74° | 64° | 69° | — | — |
| 2010 | 40° | 30° | 35° | 0.18" | 1.4" |
| 2009 | 60° | 48° | 54° | 0.33" | — |
| 2008 | 74° | 43° | 58° | — | — |
| 2007 | 77° | 64° | 71° | — | — |
| 2006 | 46° | 38° | 42° | 0.05" | — |
| 2005 | 59° | 51° | 55° | 0.99" | — |
| 2004 | 59° | 37° | 48° | — | — |
| 2003 | 61° | 40° | 50° | — | — |
| 2002 | 40° | 21° | 30° | — | — |
| 2001 | 71° | 34° | 52° | — | — |
| 2000 | 71° | 33° | 52° | 0.56" | — |
| 1999 | 56° | 36° | 46° | — | — |
| 1998 | 49° | 31° | 40° | — | — |
| 1997 | 80° | 32° | 56° | — | — |
| 1996 | 50° | 24° | 37° | — | — |
| 1995 | 84° | 44° | 64° | — | — |
| 1994 | 82° | 45° | 63° | — | — |
| 1993 | 44° | 41° | 43° | — | — |
| 1992 | 61° | 31° | 46° | — | — |
| 1991 | 77° | 60° | 69° | — | — |
| 1990 | 65° | 32° | 48° | — | — |
| 1989 | 54° | 30° | 42° | — | — |
| 1988 | 80° | 39° | 60° | — | — |
| 1987 | 69° | 55° | 62° | — | — |
| 1986 | 45° | 27° | 36° | — | — |
| 1985 | 54° | 45° | 49° | 2.87" | — |
| 1984 | 61° | 39° | 50° | — | — |
| 1983 | 47° | 23° | 35° | — | — |
| 1982 | 74° | 39° | 56° | — | — |
| 1981 | 75° | 53° | 64° | — | — |
| 1980 | 62° | 35° | 49° | — | — |
| 1979 | 64° | 41° | 53° | — | — |
| 1978 | 72° | 38° | 55° | 2.11" | — |
| 1977 | 70° | 35° | 52° | — | — |
| 1976 | 68° | 34° | 51° | — | — |
| 1975 | 79° | 46° | 62° | — | — |
| 1974coldest | 38° | 18° | 28° | 1.7" | — |
| 1973 | 48° | 31° | 39° | — | — |
| 1972 | 73° | 47° | 60° | 1.02" | — |
| 1971 | 58° | 36° | 47° | — | — |
56 years of data from BIXBY