Weather on October 21
Brownsville, TX
55 Years of Data
Avg High
85°F
Avg Low
67°F
Warmest
1979
85°F avg
Coldest
1980
63°F avg
About This Date
October 21st in Brownsville, TX typically brings warm fall weather, with average highs around 85°F and lows near 67°F. Over 55 years of records, the warmest October 21st was in 1979 (85°F average), while the coldest was 1980 (63°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 29% of October 21st dates historically, with the wettest October 21st recording 6.78" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Brownsville, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 73° | 82° | — | — |
| 2024 | 84° | 70° | 77° | 0.08" | — |
| 2023 | 91° | 67° | 79° | — | — |
| 2022 | 83° | 57° | 70° | — | — |
| 2021 | 88° | 69° | 78° | — | — |
| 2020 | 88° | 72° | 80° | — | — |
| 2019 | 91° | 75° | 83° | 2.64" | — |
| 2018 | 73° | 68° | 71° | 0.05" | — |
| 2017 | 92° | 72° | 82° | — | — |
| 2016 | 80° | 64° | 72° | 0.2" | — |
| 2015 | 89° | 73° | 81° | 0.08" | — |
| 2014 | 88° | 70° | 79° | 0.91" | — |
| 2013 | 90° | 71° | 80° | 0.74" | — |
| 2012 | 91° | 75° | 83° | — | — |
| 2011 | 87° | 64° | 76° | — | — |
| 2010 | 89° | 69° | 79° | — | — |
| 2009 | 87° | 71° | 79° | — | — |
| 2008 | 85° | 63° | 74° | — | — |
| 2007 | 92° | 71° | 81° | — | — |
| 2006 | 89° | 68° | 79° | — | — |
| 2005 | 90° | 66° | 78° | — | — |
| 2004 | 91° | 76° | 83° | — | — |
| 2003 | 83° | 62° | 72° | — | — |
| 2002 | 88° | 74° | 81° | 0.03" | — |
| 2001 | 89° | 61° | 75° | — | — |
| 2000 | 86° | 69° | 78° | — | — |
| 1999 | 81° | 51° | 66° | — | — |
| 1998 | 77° | 62° | 70° | 0.71" | — |
| 1997 | 84° | 66° | 75° | — | — |
| 1996 | 86° | 76° | 81° | — | — |
| 1995 | 81° | 53° | 67° | — | — |
| 1994 | 88° | 73° | 80° | — | — |
| 1993 | 75° | 64° | 70° | — | — |
| 1992 | 87° | 68° | 78° | — | — |
| 1991 | 87° | 64° | 76° | — | — |
| 1990 | 90° | 56° | 73° | 5.56" | — |
| 1989 | 81° | 51° | 66° | — | — |
| 1988 | 88° | 67° | 77° | — | — |
| 1987 | 75° | 67° | 71° | 6.78" | — |
| 1986 | 83° | 70° | 76° | 1.19" | — |
| 1985 | 87° | 72° | 79° | 3.28" | — |
| 1984 | 90° | 79° | 84° | — | — |
| 1983 | 78° | 67° | 72° | — | — |
| 1982 | 87° | 61° | 74° | — | — |
| 1981 | 88° | 65° | 76° | — | — |
| 1980coldest | 66° | 61° | 63° | 1.19" | — |
| 1979warmest | 92° | 79° | 85° | — | — |
| 1978 | 87° | 60° | 74° | — | — |
| 1977 | 90° | 67° | 78° | 0.13" | — |
| 1976 | 78° | 52° | 65° | — | — |
| 1975 | 86° | 66° | 76° | — | — |
| 1974 | 80° | 65° | 72° | 0.08" | — |
| 1973 | 82° | 60° | 71° | — | — |
| 1972 | 89° | 76° | 82° | — | — |
| 1971 | 79° | 64° | 71° | — | — |
55 years of data from WFO BROWNSVILLE