Weather on April 21 at Lake Clark
Lake Clark National Park and Preserve
AKAlaska200 ft elevation
Avg High50°F
Avg Low32°F
Warmest201447°F
Coldest197228°F
Based on 31 years of data from Anchorage, AK
Planning Your Visit
April 21st in Lake Clark National Park (via 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 Lake Clark? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 49°F | 39°F | 0" | -- |
| 2024 | 51°F | 32°F | 0" | -- |
| 2023 | 53°F | 26°F | 0" | -- |
| 2022 | 48°F | 28°F | 0" | -- |
| 2021 | 58°F | 29°F | 0" | -- |
| 2020 | 47°F | 38°F | 0" | -- |
| 2019 | 47°F | 33°F | 0" | -- |
| 2018 | 50°F | 35°F | 0" | -- |
| 2017 | 54°F | 29°F | 0" | -- |
| 2016 | 59°F | 30°F | 0" | -- |
| 2015 | 47°F | 34°F | 0" | -- |
| 2014 | 56°F | 39°F | 0" | -- |
| 2013 | 44°F | 24°F | 0" | -- |
| 2012 | 52°F | 34°F | 0" | -- |
| 2011 | 53°F | 36°F | 0" | -- |
| 2010 | 48°F | 33°F | 0" | -- |
| 2009 | 51°F | 28°F | 0" | -- |
| 2008 | 51°F | 32°F | -- | -- |
| 2007 | 56°F | 27°F | 0" | -- |
| 2006 | 44°F | 33°F | 0" | -- |
| 2005 | 53°F | 38°F | 0.05" | -- |
| 2004 | 51°F | 29°F | 0" | 0" |
| 2003 | 45°F | 38°F | 0" | -- |
| 2002 | 42°F | 29°F | 0" | 0" |
| 2001 | 53°F | 33°F | 0" | 0" |
| 2000 | 49°F | 37°F | 0" | 0" |
| 1999 | 49°F | 32°F | 0" | 0" |
| 1998 | 51°F | 28°F | 0" | 0" |
| 1973 | 53°F | 33°F | 0" | 0" |
| 1972 | 42°F | 14°F | 0" | 0" |
| 1971 | 40°F | 27°F | 0" | 0" |
April 21 at Nearby Parks
Holiday Weather at Lake Clark
Official NPS WebsiteVisit nps.gov/lacl for park information, alerts, and reservations
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