Weather on October 21
Killeen, TX
55 Years of Data
Avg High
80°F
Avg Low
57°F
Warmest
2012
83°F avg
Coldest
1976
48°F avg
About This Date
October 21st in Killeen, TX typically brings warm fall weather, with average highs around 80°F and lows near 57°F. Over 53 years of records, the warmest October 21st was in 2012 (83°F average), while the coldest was 1976 (48°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 17% of October 21st dates historically, with the wettest October 21st recording 3.56" of rain. The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Killeen, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 65° | 74° | — | — |
| 2024 | 85° | 57° | 71° | — | — |
| 2023 | 93° | 60° | 77° | — | — |
| 2022 | 89° | 55° | 72° | — | — |
| 2021 | 85° | 62° | 73° | — | — |
| 2020 | 86° | 71° | 79° | — | — |
| 2019 | 78° | 78° | 78° | — | — |
| 2017 | 88° | 71° | 79° | — | — |
| 2016 | 73° | 49° | 61° | — | — |
| 2015 | 84° | 54° | 69° | — | — |
| 2014 | 83° | 59° | 71° | — | — |
| 2013 | 79° | 55° | 67° | — | — |
| 2012warmest | 91° | 75° | 83° | — | — |
| 2011 | 88° | 56° | 72° | — | — |
| 2010 | 90° | 64° | 77° | — | — |
| 2009 | 74° | 67° | 70° | 3.56" | — |
| 2008 | 82° | 57° | 70° | — | — |
| 2007 | 88° | 67° | 77° | — | — |
| 2006 | 83° | 53° | 68° | — | — |
| 2005 | 91° | 54° | 72° | — | — |
| 2003 | 88° | 58° | 73° | — | — |
| 2002 | 65° | 55° | 60° | 0.28" | — |
| 2001 | 81° | 54° | 67° | — | — |
| 2000 | 73° | 64° | 69° | 0.08" | — |
| 1999 | 74° | 45° | 59° | — | — |
| 1998 | 67° | 55° | 61° | 0.69" | — |
| 1997 | 80° | 56° | 68° | — | — |
| 1996 | 85° | 65° | 75° | — | — |
| 1995 | 72° | 43° | 57° | — | — |
| 1994 | 83° | 64° | 73° | — | — |
| 1993 | 63° | 54° | 58° | 0.1" | — |
| 1992 | 82° | 61° | 71° | — | — |
| 1991 | 78° | 54° | 66° | — | — |
| 1990 | 83° | 49° | 66° | 1.19" | — |
| 1989 | 77° | 34° | 55° | — | — |
| 1988 | 86° | 61° | 73° | — | — |
| 1987 | 72° | 45° | 58° | — | — |
| 1986 | 72° | 54° | 63° | — | — |
| 1985 | 72° | 64° | 68° | — | — |
| 1984 | 76° | 60° | 68° | 2.21" | — |
| 1983 | 82° | 55° | 69° | 0.97" | — |
| 1982 | 66° | 49° | 57° | — | — |
| 1981 | 77° | 60° | 69° | — | — |
| 1980 | 81° | 53° | 67° | — | — |
| 1979 | 90° | 67° | 78° | — | — |
| 1978 | 88° | 55° | 71° | — | — |
| 1977 | 90° | 57° | 73° | — | — |
| 1976coldest | 66° | 31° | 48° | — | — |
| 1975 | 85° | 62° | 73° | — | — |
| 1974 | 80° | 50° | 65° | — | — |
| 1973 | 81° | 46° | 63° | — | — |
| 1972 | 78° | 60° | 69° | 0.25" | — |
| 1971 | 77° | 51° | 64° | — | — |
53 years of data from FT HOOD