Weather on March 15
Renton, WA
55 Years of Data
Avg High
54°F
Avg Low
39°F
Warmest
1972
55°F avg
Coldest
1980
39°F avg
About This Date
March 15th in Renton, WA typically brings cool spring weather, with average highs around 54°F and lows near 39°F. Over 56 years of records, the warmest March 15th was in 1972 (55°F average), while the coldest was 1980 (39°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 57% of March 15th dates historically, with the wettest March 15th recording 4.32" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for March 15th in Renton, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 50° | 33° | 42° | 0.05" | — |
| 2025 | 51° | 41° | 46° | 0.43" | — |
| 2024 | 61° | 38° | 49° | — | — |
| 2023 | 53° | 37° | 45° | — | — |
| 2022 | 55° | 45° | 50° | 0.23" | — |
| 2021 | 48° | 35° | 42° | 0.03" | — |
| 2020 | 46° | 32° | 39° | — | — |
| 2019 | 60° | 39° | 50° | — | — |
| 2018 | 56° | 32° | 44° | — | — |
| 2017 | 52° | 45° | 48° | 1.5" | — |
| 2016 | 54° | 42° | 48° | — | — |
| 2015 | 53° | 44° | 49° | 4.32" | — |
| 2014 | 62° | 42° | 52° | 0.76" | — |
| 2013 | 59° | 49° | 54° | — | — |
| 2012 | 54° | 42° | 48° | 2.31" | — |
| 2011 | 57° | 44° | 51° | 1.12" | — |
| 2010 | 66° | 44° | 55° | — | — |
| 2009 | 48° | 34° | 41° | 1.35" | — |
| 2008 | 49° | 40° | 44° | 0.3" | — |
| 2007 | 48° | 33° | 41° | 0.05" | — |
| 2006 | 49° | 40° | 44° | 0.15" | — |
| 2005 | 57° | 42° | 50° | — | — |
| 2004 | 51° | 45° | 48° | — | — |
| 2003 | 61° | 45° | 53° | 0.1" | — |
| 2002 | 45° | 38° | 41° | 0.23" | — |
| 2001 | 47° | 41° | 44° | 0.76" | — |
| 2000 | 52° | 35° | 43° | 0.08" | — |
| 1999 | 47° | 39° | 43° | 0.1" | — |
| 1998 | 59° | 46° | 53° | 0.05" | — |
| 1997 | 55° | 33° | 44° | 2.26" | — |
| 1996 | 63° | 36° | 49° | — | — |
| 1995 | 54° | 44° | 49° | 0.05" | — |
| 1994 | 58° | 41° | 49° | — | — |
| 1993 | 54° | 40° | 47° | 1.4" | — |
| 1992 | 53° | 45° | 49° | 0.51" | — |
| 1991 | 51° | 37° | 44° | — | — |
| 1990 | 58° | 33° | 45° | — | — |
| 1989 | 49° | 31° | 40° | 0.05" | — |
| 1988 | 58° | 27° | 42° | — | — |
| 1987 | 55° | 40° | 47° | — | — |
| 1986 | 58° | 30° | 44° | — | — |
| 1985 | 59° | 27° | 43° | — | — |
| 1984 | 58° | 40° | 49° | 1.07" | — |
| 1983 | 58° | 37° | 47° | — | — |
| 1982 | 51° | 34° | 42° | 0.03" | — |
| 1981 | 57° | 43° | 50° | 0.43" | — |
| 1980coldest | 45° | 34° | 39° | — | — |
| 1979 | 50° | 44° | 47° | 0.38" | — |
| 1978 | 58° | 32° | 45° | — | — |
| 1977 | 51° | 31° | 41° | 0.13" | — |
| 1976 | 57° | 29° | 43° | — | — |
| 1975 | 49° | 39° | 44° | 0.64" | — |
| 1974 | 57° | 43° | 50° | 2.97" | — |
| 1973 | 56° | 41° | 48° | — | — |
| 1972warmest | 61° | 49° | 55° | 0.13" | — |
| 1971 | 51° | 34° | 42° | — | — |
56 years of data from RENTON MUNI AP