Weather on March 21
Federal Way, WA
55 Years of Data
Avg High
57°F
Avg Low
38°F
Warmest
2019
62°F avg
Coldest
1971
40°F avg
About This Date
March 21st in Federal Way, WA typically brings cool spring weather, with average highs around 57°F and lows near 38°F. Over 56 years of records, the warmest March 21st was in 2019 (62°F average), while the coldest was 1971 (40°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 52% of March 21st dates historically, with the wettest March 21st recording 1.73" 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 March 21st in Federal Way, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 52° | 41° | 46° | — | — |
| 2025 | 53° | 44° | 49° | 1.73" | — |
| 2024 | 55° | 45° | 50° | 0.41" | — |
| 2023 | 55° | 44° | 50° | 0.05" | — |
| 2022 | 50° | 39° | 45° | — | — |
| 2021 | 46° | 41° | 44° | 0.1" | — |
| 2020 | 61° | 39° | 50° | — | — |
| 2019warmest | 75° | 49° | 62° | — | — |
| 2018 | 60° | 34° | 47° | — | — |
| 2017 | 57° | 38° | 47° | 0.51" | — |
| 2016 | 57° | 42° | 50° | 0.51" | — |
| 2015 | 58° | 48° | 53° | 0.58" | — |
| 2014 | 52° | 34° | 43° | — | — |
| 2013 | 50° | 37° | 44° | — | — |
| 2012 | 49° | 35° | 42° | 0.38" | — |
| 2011 | 53° | 43° | 48° | 0.03" | — |
| 2010 | 67° | 49° | 58° | 0.13" | — |
| 2009 | 56° | 30° | 43° | — | — |
| 2008 | 52° | 35° | 43° | 0.2" | — |
| 2007 | 51° | 32° | 42° | 0.03" | — |
| 2006 | 59° | 30° | 45° | — | — |
| 2005 | 58° | 37° | 47° | 0.15" | — |
| 2004 | 68° | 35° | 52° | — | — |
| 2003 | 51° | 44° | 48° | 0.74" | — |
| 2002 | 56° | 34° | 45° | — | — |
| 2001 | 55° | 31° | 43° | — | — |
| 2000 | 58° | 44° | 51° | — | — |
| 1999 | 64° | 48° | 56° | 0.3" | — |
| 1998 | 66° | 40° | 53° | — | — |
| 1997 | 57° | 34° | 45° | — | — |
| 1996 | 58° | 38° | 48° | — | — |
| 1995 | 52° | 40° | 46° | 0.08" | — |
| 1994 | 46° | 35° | 41° | 0.66" | — |
| 1993 | 61° | 46° | 53° | 0.05" | — |
| 1992 | 68° | 35° | 52° | — | — |
| 1991 | 59° | 35° | 47° | 0.51" | — |
| 1990 | 60° | 40° | 50° | — | — |
| 1989 | 50° | 43° | 46° | 0.61" | — |
| 1988 | 54° | 38° | 46° | 0.51" | — |
| 1987 | 62° | 33° | 48° | — | — |
| 1986 | 56° | 38° | 47° | 0.43" | — |
| 1985 | 51° | 36° | 43° | 0.25" | — |
| 1984 | 54° | 43° | 48° | 1.4" | — |
| 1983 | 58° | 42° | 50° | — | — |
| 1982 | 57° | 27° | 42° | — | — |
| 1981 | 67° | 33° | 50° | — | — |
| 1980 | 56° | 42° | 49° | 0.03" | — |
| 1979 | 61° | 32° | 46° | — | — |
| 1978 | 64° | 41° | 53° | — | — |
| 1977 | 53° | 45° | 49° | 0.13" | — |
| 1976 | 60° | 30° | 45° | — | — |
| 1975 | 50° | 36° | 43° | 0.03" | — |
| 1974 | 59° | 30° | 45° | — | — |
| 1973 | 56° | 39° | 47° | 0.05" | — |
| 1972 | 56° | 43° | 49° | 0.25" | — |
| 1971coldest | 52° | 28° | 40° | — | — |
56 years of data from KENT