Weather on April 21
Anchorage, AK
55 Years of Data
Avg High
50°F
Avg Low
32°F
Warmest
2014
47°F avg
Coldest
1972
28°F avg
About This Date
April 21st in Anchorage, AK typically brings cool spring weather, with average highs around 50°F and lows near 32°F. Over 31 years of records, the warmest April 21st was in 2014 (47°F average), while the coldest was 1972 (28°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 3% of April 21st dates historically. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Anchorage, AK? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 49° | 39° | 44° | — | — |
| 2024 | 51° | 32° | 42° | — | — |
| 2023 | 53° | 26° | 40° | — | — |
| 2022 | 48° | 28° | 38° | — | — |
| 2021 | 58° | 29° | 44° | — | — |
| 2020 | 47° | 38° | 42° | — | — |
| 2019 | 47° | 33° | 40° | — | — |
| 2018 | 50° | 35° | 43° | — | — |
| 2017 | 54° | 29° | 42° | — | — |
| 2016 | 59° | 30° | 45° | — | — |
| 2015 | 47° | 34° | 40° | — | — |
| 2014warmest | 56° | 39° | 47° | — | — |
| 2013 | 44° | 24° | 34° | — | — |
| 2012 | 52° | 34° | 43° | — | — |
| 2011 | 53° | 36° | 44° | — | — |
| 2010 | 48° | 33° | 41° | — | — |
| 2009 | 51° | 28° | 40° | — | — |
| 2008 | 51° | 32° | 42° | — | — |
| 2007 | 56° | 27° | 42° | — | — |
| 2006 | 44° | 33° | 39° | — | — |
| 2005 | 53° | 38° | 45° | 0.05" | — |
| 2004 | 51° | 29° | 40° | — | — |
| 2003 | 45° | 38° | 41° | — | — |
| 2002 | 42° | 29° | 35° | — | — |
| 2001 | 53° | 33° | 43° | — | — |
| 2000 | 49° | 37° | 43° | — | — |
| 1999 | 49° | 32° | 40° | — | — |
| 1998 | 51° | 28° | 40° | — | — |
| 1973 | 53° | 33° | 43° | — | — |
| 1972coldest | 42° | 14° | 28° | — | — |
| 1971 | 40° | 27° | 33° | — | — |
31 years of data from ANCHORAGE PARK STRIP