Weather on March 20
Renton, WA
55 Years of Data
Avg High
57°F
Avg Low
39°F
Warmest
2019
63°F avg
Coldest
2002
35°F avg
About This Date
March 20th in Renton, WA typically brings cool spring weather, with average highs around 57°F and lows near 39°F. Over 56 years of records, the warmest March 20th was in 2019 (63°F average), while the coldest was 2002 (35°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 50% of March 20th dates historically, with the wettest March 20th recording 1.75" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for March 20th in Renton, 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 | 59° | 46° | 53° | 0.81" | — |
| 2025 | 50° | 43° | 46° | 0.1" | — |
| 2024 | 53° | 48° | 51° | — | — |
| 2023 | 56° | 47° | 51° | 0.03" | — |
| 2022 | 50° | 41° | 46° | 0.15" | — |
| 2021 | 52° | 43° | 47° | 0.2" | — |
| 2020 | 61° | 35° | 48° | — | — |
| 2019warmest | 79° | 47° | 63° | — | — |
| 2018 | 55° | 33° | 44° | — | — |
| 2017 | 53° | 38° | 45° | — | — |
| 2016 | 57° | 50° | 54° | 0.36" | — |
| 2015 | 58° | 48° | 53° | 0.28" | — |
| 2014 | 51° | 37° | 44° | — | — |
| 2013 | 52° | 41° | 46° | 0.1" | — |
| 2012 | 47° | 37° | 42° | 0.3" | — |
| 2011 | 52° | 37° | 44° | — | — |
| 2010 | 68° | 36° | 52° | 0.05" | — |
| 2009 | 57° | 38° | 47° | 0.71" | — |
| 2008 | 49° | 39° | 44° | 0.33" | — |
| 2007 | 50° | 38° | 44° | 0.48" | — |
| 2006 | 59° | 31° | 45° | — | — |
| 2005 | 58° | 42° | 50° | 0.28" | — |
| 2004 | 63° | 34° | 48° | — | — |
| 2003 | 55° | 43° | 49° | 0.38" | — |
| 2002coldest | 38° | 33° | 35° | 0.64" | — |
| 2001 | 57° | 37° | 47° | — | — |
| 2000 | 53° | 32° | 43° | — | — |
| 1999 | 65° | 40° | 52° | — | — |
| 1998 | 64° | 41° | 53° | — | — |
| 1997 | 56° | 44° | 50° | 0.94" | — |
| 1996 | 57° | 41° | 49° | — | — |
| 1995 | 55° | 44° | 50° | 0.76" | — |
| 1994 | 50° | 41° | 46° | 0.89" | — |
| 1993 | 54° | 46° | 50° | 0.51" | — |
| 1992 | 63° | 34° | 48° | — | — |
| 1991 | 59° | 35° | 47° | — | — |
| 1990 | 59° | 48° | 54° | 0.1" | — |
| 1989 | 63° | 30° | 46° | 0.38" | — |
| 1988 | 61° | 48° | 54° | 0.13" | — |
| 1987 | 54° | 38° | 46° | — | — |
| 1986 | 72° | 49° | 60° | — | — |
| 1985 | 57° | 36° | 46° | — | — |
| 1984 | 62° | 49° | 55° | 1.75" | — |
| 1983 | 64° | 30° | 47° | — | — |
| 1982 | 53° | 36° | 44° | — | — |
| 1981 | 63° | 33° | 48° | — | — |
| 1980 | 51° | 42° | 47° | 0.25" | — |
| 1979 | 63° | 38° | 50° | — | — |
| 1978 | 65° | 36° | 50° | — | — |
| 1977 | 49° | 33° | 41° | — | — |
| 1976 | 52° | 40° | 46° | 0.13" | — |
| 1975 | 50° | 35° | 43° | 0.2" | — |
| 1974 | 58° | 28° | 43° | — | — |
| 1973 | 52° | 40° | 46° | 0.08" | — |
| 1972 | 58° | 41° | 49° | — | — |
| 1971 | 58° | 29° | 43° | — | — |
56 years of data from RENTON MUNI AP