Weather on March 21
Brownsville, TX
55 Years of Data
Avg High
79°F
Avg Low
59°F
Warmest
1982
80°F avg
Coldest
2010
55°F avg
About This Date
March 21st in Brownsville, TX typically brings pleasant spring weather, with average highs around 79°F and lows near 59°F. Over 56 years of records, the warmest March 21st was in 1982 (80°F average), while the coldest was 2010 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 13% of March 21st dates historically. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Brownsville, TX? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 86° | 61° | 73° | — | — |
| 2025 | 79° | 50° | 64° | — | — |
| 2024 | 80° | 66° | 73° | — | — |
| 2023 | 80° | 66° | 73° | 0.15" | — |
| 2022 | 82° | 70° | 76° | 0.03" | — |
| 2021 | 75° | 54° | 64° | — | — |
| 2020 | 83° | 65° | 74° | — | — |
| 2019 | 79° | 61° | 70° | — | — |
| 2018 | 81° | 55° | 68° | — | — |
| 2017 | 84° | 65° | 74° | — | — |
| 2016 | 71° | 47° | 59° | — | — |
| 2015 | 77° | 67° | 72° | 0.48" | — |
| 2014 | 78° | 62° | 70° | — | — |
| 2013 | 83° | 58° | 70° | — | — |
| 2012 | 79° | 56° | 67° | — | — |
| 2011 | 84° | 70° | 77° | — | — |
| 2010coldest | 73° | 37° | 55° | — | — |
| 2009 | 84° | 59° | 72° | — | — |
| 2008 | 79° | 50° | 64° | — | — |
| 2007 | 81° | 70° | 75° | — | — |
| 2006 | 82° | 63° | 72° | — | — |
| 2005 | 84° | 64° | 74° | — | — |
| 2004 | 79° | 63° | 71° | — | — |
| 2003 | 77° | 51° | 64° | — | — |
| 2002 | 75° | 54° | 64° | — | — |
| 2001 | 79° | 47° | 63° | — | — |
| 2000 | 85° | 73° | 79° | — | — |
| 1999 | 75° | 54° | 64° | — | — |
| 1998 | 68° | 50° | 59° | — | — |
| 1997 | 82° | 53° | 68° | — | — |
| 1996 | 78° | 52° | 65° | — | — |
| 1995 | 86° | 69° | 78° | — | — |
| 1994 | 82° | 68° | 75° | — | — |
| 1993 | 80° | 58° | 69° | — | — |
| 1992 | 77° | 69° | 73° | — | — |
| 1991 | 86° | 72° | 79° | — | — |
| 1990 | 77° | 53° | 65° | — | — |
| 1989 | 73° | 44° | 59° | 0.36" | — |
| 1988 | 77° | 48° | 63° | — | — |
| 1987 | 79° | 66° | 72° | — | — |
| 1986 | 76° | 42° | 59° | — | — |
| 1985 | 80° | 56° | 68° | — | — |
| 1984 | 77° | 49° | 63° | — | — |
| 1983 | 64° | 51° | 58° | — | — |
| 1982warmest | 88° | 72° | 80° | — | — |
| 1981 | 86° | 61° | 73° | — | — |
| 1980 | 72° | 55° | 63° | — | — |
| 1979 | 76° | 65° | 70° | 0.36" | — |
| 1978 | 85° | 62° | 73° | — | — |
| 1977 | 82° | 65° | 73° | 0.03" | — |
| 1976 | 76° | 66° | 71° | 0.05" | — |
| 1975 | 81° | 69° | 75° | — | — |
| 1974 | 77° | 55° | 66° | — | — |
| 1973 | 76° | 54° | 65° | — | — |
| 1972 | 87° | 67° | 77° | — | — |
| 1971 | 84° | 65° | 74° | — | — |
56 years of data from WFO BROWNSVILLE