Weather on October 21
Huntsville, AL
55 Years of Data
Avg High
71°F
Avg Low
44°F
Warmest
2004
69°F avg
Coldest
2006
41°F avg
About This Date
October 21st in Huntsville, AL typically brings pleasant fall weather, with average highs around 71°F and lows near 44°F — a 27°F daily swing. Over 26 years of records, the warmest October 21st was in 2004 (69°F average), while the coldest was 2006 (41°F) — a 28°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for October 21st in Huntsville, AL? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 43° | 57° | — | — |
| 2024 | 77° | 41° | 59° | — | — |
| 2023 | 77° | 44° | 61° | — | — |
| 2022 | 62° | 31° | 46° | — | — |
| 2021 | 76° | 49° | 62° | — | — |
| 2020 | 79° | 54° | 66° | — | — |
| 2019 | 67° | 54° | 60° | — | — |
| 2018 | 59° | 37° | 48° | — | — |
| 2017 | 78° | 49° | 63° | — | — |
| 2016 | 67° | 41° | 54° | — | — |
| 2015 | 76° | 46° | 61° | — | — |
| 2014 | 73° | 45° | 59° | — | — |
| 2013 | 71° | 37° | 54° | — | — |
| 2012 | 68° | 40° | 54° | — | — |
| 2011 | 58° | 31° | 44° | — | — |
| 2010 | 74° | 39° | 56° | — | — |
| 2009 | 69° | 34° | 51° | — | — |
| 2008 | 69° | 38° | 53° | — | — |
| 2007 | 78° | 42° | 60° | — | — |
| 2006coldest | 47° | 35° | 41° | — | — |
| 2005 | 81° | 55° | 68° | — | — |
| 2004warmest | 76° | 63° | 69° | — | — |
| 1974 | 68° | 36° | 52° | — | — |
| 1973 | 83° | 45° | 64° | — | — |
| 1972 | 64° | 44° | 54° | — | — |
| 1971 | 75° | 58° | 66° | — | — |
26 years of data from REDSTONE ARSENAL