Weather on October 20
Mcallen, TX
55 Years of Data
Avg High
87°F
Avg Low
65°F
Warmest
2016
87°F avg
Coldest
1989
60°F avg
About This Date
October 20th in Mcallen, TX typically brings warm fall weather, with average highs around 87°F and lows near 65°F. Over 55 years of records, the warmest October 20th was in 2016 (87°F average), while the coldest was 1989 (60°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 22% of October 20th dates historically, with the wettest October 20th recording 5.41" of rain. The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Mcallen, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 72° | 85° | — | — |
| 2024 | 90° | 72° | 81° | — | — |
| 2023 | 95° | 64° | 80° | — | — |
| 2022 | 77° | 55° | 66° | — | — |
| 2021 | 88° | 68° | 78° | — | — |
| 2020 | 92° | 77° | 84° | — | — |
| 2019 | 89° | 79° | 84° | 0.2" | — |
| 2018 | 76° | 69° | 72° | 0.1" | — |
| 2017 | 92° | 72° | 82° | — | — |
| 2016warmest | 99° | 75° | 87° | — | — |
| 2015 | 91° | 66° | 79° | — | — |
| 2014 | 94° | 71° | 82° | — | — |
| 2013 | 81° | 61° | 71° | — | — |
| 2012 | 92° | 72° | 82° | — | — |
| 2011 | 85° | 57° | 71° | — | — |
| 2010 | 87° | 67° | 77° | — | — |
| 2009 | 87° | 64° | 76° | — | — |
| 2008 | 85° | 61° | 73° | — | — |
| 2007 | 95° | 70° | 82° | — | — |
| 2006 | 74° | 65° | 69° | — | — |
| 2005 | 93° | 67° | 80° | — | — |
| 2004 | 99° | 69° | 84° | — | — |
| 2003 | 84° | 61° | 72° | — | — |
| 2002 | 90° | 68° | 79° | 5.41" | — |
| 2001 | 89° | 62° | 76° | — | — |
| 2000 | 83° | 65° | 74° | — | — |
| 1999 | 68° | 51° | 60° | 0.05" | — |
| 1998 | 73° | 65° | 69° | — | — |
| 1997 | 84° | 62° | 73° | — | — |
| 1996 | 81° | 60° | 70° | — | — |
| 1995 | 89° | 71° | 80° | — | — |
| 1994 | 92° | 75° | 83° | — | — |
| 1993 | 88° | 67° | 77° | 0.89" | — |
| 1992 | 84° | 65° | 74° | — | — |
| 1991 | 85° | 67° | 76° | — | — |
| 1990 | 94° | 57° | 75° | — | — |
| 1989coldest | 75° | 44° | 60° | — | — |
| 1988 | 89° | 65° | 77° | — | — |
| 1987 | 91° | 69° | 80° | 0.03" | — |
| 1986 | 85° | 64° | 74° | 0.08" | — |
| 1985 | 89° | 75° | 82° | 1.02" | — |
| 1984 | 90° | 75° | 82° | — | — |
| 1983 | 86° | 74° | 80° | 1.78" | — |
| 1982 | 89° | 68° | 79° | — | — |
| 1981 | — | 56° | — | — | — |
| 1980 | 70° | 57° | 63° | 5.18" | — |
| 1979 | 93° | 68° | 81° | — | — |
| 1978 | 83° | 52° | 67° | — | — |
| 1977 | 87° | 63° | 75° | — | — |
| 1976 | 82° | 51° | 67° | — | — |
| 1975 | 85° | 50° | 67° | — | — |
| 1974 | 85° | 52° | 68° | — | — |
| 1973 | 84° | 61° | 72° | — | — |
| 1972 | 93° | 65° | 79° | 2.87" | — |
| 1971 | 89° | 75° | 82° | 0.51" | — |
55 years of data from MCALLEN