Weather on October 20
Allen, TX
55 Years of Data
Avg High
79°F
Avg Low
51°F
Warmest
2005
78°F avg
Coldest
1976
45°F avg
About This Date
October 20th in Allen, TX typically brings pleasant fall weather, with average highs around 79°F and lows near 51°F — a 28°F daily swing. Over 55 years of records, the warmest October 20th was in 2005 (78°F average), while the coldest was 1976 (45°F) — a 33°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 5.56" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Allen, TX? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 50° | 70° | — | — |
| 2024 | 82° | 45° | 63° | — | — |
| 2023 | 93° | 50° | 72° | — | — |
| 2022 | 81° | 44° | 62° | — | — |
| 2021 | 82° | 62° | 72° | — | — |
| 2020 | 88° | 57° | 72° | — | — |
| 2019 | 89° | 51° | 70° | 4.27" | — |
| 2018 | 73° | 50° | 62° | — | — |
| 2017 | 83° | 57° | 70° | — | — |
| 2016 | 75° | 54° | 64° | 3.05" | — |
| 2015 | 83° | 53° | 68° | — | — |
| 2014 | 81° | 52° | 66° | — | — |
| 2013 | 71° | 38° | 54° | — | — |
| 2012 | 85° | 46° | 65° | — | — |
| 2011 | 71° | 37° | 54° | — | — |
| 2010 | 81° | 57° | 69° | — | — |
| 2009 | 80° | 57° | 69° | — | — |
| 2008 | 83° | 53° | 68° | — | — |
| 2007 | 87° | 48° | 68° | 0.03" | — |
| 2006 | 63° | 37° | 50° | — | — |
| 2005warmest | 92° | 64° | 78° | — | — |
| 2004 | 89° | 50° | 70° | — | — |
| 2003 | 85° | 49° | 67° | — | — |
| 2002 | 61° | 54° | 57° | 0.03" | — |
| 2001 | 78° | 56° | 67° | — | — |
| 2000 | 66° | 55° | 61° | 0.66" | — |
| 1999 | 73° | 39° | 56° | — | — |
| 1998 | 67° | 54° | 60° | — | — |
| 1997 | 84° | 52° | 68° | — | — |
| 1996 | 81° | 62° | 71° | — | — |
| 1995 | 85° | 47° | 66° | — | — |
| 1994 | 79° | 66° | 72° | — | — |
| 1993 | 66° | 60° | 63° | 1.42" | — |
| 1992 | 81° | 48° | 64° | 0.05" | — |
| 1991 | 73° | 50° | 62° | — | — |
| 1990 | 80° | 54° | 67° | — | — |
| 1989 | 71° | 30° | 51° | — | — |
| 1988 | 73° | 58° | 65° | 0.13" | — |
| 1987 | 67° | 49° | 58° | 1.35" | — |
| 1986 | 75° | 49° | 62° | — | — |
| 1985 | 75° | 63° | 69° | 1.32" | — |
| 1984 | 72° | 61° | 66° | — | — |
| 1983 | 80° | 71° | 76° | — | — |
| 1982 | 84° | 42° | 63° | — | — |
| 1981 | 75° | 50° | 63° | — | — |
| 1980 | 76° | 45° | 60° | — | — |
| 1979 | 89° | 54° | 71° | — | — |
| 1978 | 91° | 49° | 70° | — | — |
| 1977 | 89° | 53° | 71° | — | — |
| 1976coldest | 60° | 31° | 45° | 0.51" | — |
| 1975 | 86° | 48° | 67° | — | — |
| 1974 | 74° | 51° | 62° | — | — |
| 1973 | 80° | 45° | 62° | — | — |
| 1972 | 63° | 47° | 55° | — | — |
| 1971 | 78° | 61° | 69° | 5.56" | — |
55 years of data from MCKINNEY MUNI AP