Weather on April 21
Federal Way, WA
55 Years of Data
Avg High
62°F
Avg Low
42°F
Warmest
2016
63°F avg
Coldest
1978
41°F avg
About This Date
April 21st in Federal Way, WA typically brings mild spring weather, with average highs around 62°F and lows near 42°F. Over 55 years of records, the warmest April 21st was in 2016 (63°F average), while the coldest was 1978 (41°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 42% of April 21st dates historically, with the wettest April 21st recording 2.59" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 21st in Federal Way, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 43° | 51° | — | — |
| 2024 | 59° | 37° | 48° | — | — |
| 2023 | 53° | 36° | 44° | 0.1" | — |
| 2022 | 55° | 42° | 49° | 0.13" | — |
| 2021 | 71° | 46° | 59° | — | — |
| 2020 | 65° | 47° | 56° | — | — |
| 2019 | 62° | 50° | 56° | — | — |
| 2018 | 59° | 45° | 52° | 0.13" | — |
| 2017 | 67° | 41° | 54° | 0.03" | — |
| 2016warmest | 73° | 54° | 63° | — | — |
| 2015 | 72° | — | — | — | — |
| 2014 | 64° | 45° | 54° | — | — |
| 2013 | 57° | 44° | 51° | 0.05" | — |
| 2012 | 69° | 39° | 54° | — | — |
| 2011 | 56° | 38° | 47° | 0.05" | — |
| 2010 | 55° | 45° | 50° | 2.59" | — |
| 2009 | 75° | 44° | 60° | — | — |
| 2008 | 50° | 35° | 43° | 0.25" | — |
| 2007 | 61° | 39° | 50° | — | — |
| 2006 | 62° | 42° | 52° | 1.47" | — |
| 2005 | 67° | 48° | 57° | — | — |
| 2004 | 60° | 45° | 52° | — | — |
| 2003 | 60° | 48° | 54° | 0.56" | — |
| 2002 | 55° | 43° | 49° | 0.13" | — |
| 2001 | 64° | 39° | 52° | — | — |
| 2000 | 67° | 46° | 56° | — | — |
| 1999 | 54° | 42° | 48° | 0.25" | — |
| 1998 | 71° | 39° | 55° | — | — |
| 1997 | 61° | 41° | 51° | 1.88" | — |
| 1996 | 65° | 37° | 51° | — | — |
| 1995 | 58° | 43° | 50° | — | — |
| 1994 | 67° | 45° | 56° | 0.51" | — |
| 1993 | 63° | 46° | 54° | 0.43" | — |
| 1992 | 59° | 42° | 51° | 0.38" | — |
| 1991 | 63° | 48° | 55° | — | — |
| 1990 | 61° | 47° | 54° | — | — |
| 1989 | 62° | 42° | 52° | 0.13" | — |
| 1988 | 64° | 48° | 56° | — | — |
| 1987 | 63° | 37° | 50° | — | — |
| 1986 | 64° | 48° | 56° | — | — |
| 1985 | 57° | 25° | 41° | — | — |
| 1984 | 59° | 45° | 52° | 0.03" | — |
| 1983 | 63° | 44° | 53° | 0.03" | — |
| 1982 | 81° | 30° | 55° | — | — |
| 1981 | 59° | 43° | 51° | 0.1" | — |
| 1980 | 61° | 42° | 51° | — | — |
| 1979 | 64° | 37° | 51° | — | — |
| 1978coldest | 49° | 33° | 41° | 0.84" | — |
| 1977 | 62° | 44° | 53° | — | — |
| 1976 | 54° | 35° | 44° | — | — |
| 1975 | 61° | 30° | 45° | — | — |
| 1974 | 58° | 40° | 49° | — | — |
| 1973 | 65° | 35° | 50° | — | — |
| 1972 | 51° | 41° | 46° | 0.58" | — |
| 1971 | 55° | 39° | 47° | 0.03" | — |
55 years of data from KENT