Weather on October 21
Anchorage, AK
55 Years of Data
Avg High
41°F
Avg Low
29°F
Warmest
2002
50°F avg
Coldest
2023
22°F avg
About This Date
October 21st in Anchorage, AK typically brings chilly fall weather, with average highs around 41°F and lows near 29°F. Over 30 years of records, the warmest October 21st was in 2002 (50°F average), while the coldest was 2023 (22°F) — a 28°F range across recorded history. Precipitation has occurred on 20% of recorded October 21st dates, with snow falling 3% of the time (heaviest snowfall: 4"). The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for October 21st in Anchorage, AK? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 40° | 27° | 33° | — | — |
| 2024 | 55° | 32° | 44° | — | — |
| 2023coldest | 31° | 13° | 22° | — | — |
| 2022 | 41° | 30° | 36° | — | — |
| 2021 | 44° | 32° | 38° | 0.81" | — |
| 2020 | 41° | 19° | 30° | — | — |
| 2019 | 42° | 35° | 39° | 0.05" | — |
| 2018 | 51° | 38° | 44° | 0.03" | — |
| 2017 | 27° | 20° | 24° | — | — |
| 2016 | 34° | 29° | 32° | 0.74" | — |
| 2015 | 46° | 30° | 38° | — | — |
| 2014 | 42° | 27° | 35° | — | — |
| 2013 | 49° | 35° | 42° | — | — |
| 2012 | 35° | 18° | 27° | — | — |
| 2011 | 40° | 33° | 36° | — | — |
| 2010 | 44° | 31° | 38° | — | — |
| 2009 | 42° | 33° | 38° | — | — |
| 2008 | 38° | 32° | 35° | 0.05" | — |
| 2007 | 35° | 23° | 29° | — | — |
| 2006 | 43° | 32° | 37° | — | — |
| 2005 | 46° | 36° | 41° | — | — |
| 2004 | 41° | 29° | 35° | — | — |
| 2003 | 39° | 28° | 34° | — | — |
| 2002warmest | 56° | 44° | 50° | — | — |
| 2001 | 32° | 26° | 29° | 0.05" | 4" |
| 2000 | 37° | 22° | 29° | — | — |
| 1999 | 40° | 29° | 34° | — | — |
| 1998 | 45° | 29° | 37° | — | — |
| 1972 | 38° | 27° | 32° | — | — |
| 1971 | 34° | 21° | 27° | — | — |
30 years of data from ANCHORAGE PARK STRIP