Weather on May 18
Renton, WA
55 Years of Data
Avg High
66°F
Avg Low
48°F
Warmest
2023
70°F avg
Coldest
1981
50°F avg
About This Date
May 18th in Renton, WA typically brings mild spring weather, with average highs around 66°F and lows near 48°F. Over 55 years of records, the warmest May 18th was in 2023 (70°F average), while the coldest was 1981 (50°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 18th dates historically, with the wettest May 18th recording 1.35" 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 May 18th in Renton, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 47° | 55° | — | — |
| 2024 | 56° | 48° | 52° | 0.28" | — |
| 2023warmest | 80° | 60° | 70° | — | — |
| 2022 | 60° | 48° | 54° | 0.23" | — |
| 2021 | 63° | 48° | 55° | 0.25" | — |
| 2020 | 67° | 52° | 59° | — | — |
| 2019 | 72° | 52° | 62° | — | — |
| 2018 | 66° | 55° | 61° | — | — |
| 2017 | 64° | 50° | 57° | — | — |
| 2016 | 66° | 51° | 59° | — | — |
| 2015 | 76° | 52° | 64° | — | — |
| 2014 | 69° | 53° | 61° | — | — |
| 2013 | 62° | 53° | 58° | — | — |
| 2012 | 61° | 47° | 54° | — | — |
| 2011 | 66° | 44° | 55° | — | — |
| 2010 | 64° | 50° | 57° | 0.48" | — |
| 2009 | 68° | 50° | 59° | 0.99" | — |
| 2008 | 75° | 55° | 65° | — | — |
| 2007 | 72° | 44° | 58° | 0.05" | — |
| 2006 | 78° | 53° | 66° | — | — |
| 2005 | 68° | 52° | 60° | 1.35" | — |
| 2004 | 76° | 51° | 63° | — | — |
| 2003 | 60° | 39° | 50° | — | — |
| 2002 | 64° | 50° | 57° | — | — |
| 2001 | 64° | 49° | 56° | — | — |
| 2000 | 68° | 51° | 60° | 1.17" | — |
| 1999 | 63° | 50° | 56° | 0.08" | — |
| 1998 | 64° | 51° | 58° | 0.03" | — |
| 1997 | 75° | 48° | 62° | — | — |
| 1996 | 63° | 50° | 56° | 1.19" | — |
| 1995 | 62° | 48° | 55° | — | — |
| 1994 | 67° | 50° | 58° | — | — |
| 1993 | 75° | 55° | 65° | — | — |
| 1992 | 80° | 50° | 65° | — | — |
| 1991 | 54° | 48° | 51° | 0.51" | — |
| 1990 | 60° | 46° | 53° | — | — |
| 1989 | 58° | 42° | 50° | 0.18" | — |
| 1988 | 59° | 46° | 53° | 0.2" | — |
| 1987 | 63° | 38° | 50° | — | — |
| 1986 | 66° | 44° | 55° | 0.1" | — |
| 1985 | 74° | 44° | 59° | — | — |
| 1984 | 67° | 45° | 56° | — | — |
| 1983 | 64° | 51° | 58° | — | — |
| 1982 | 60° | 46° | 53° | 0.05" | — |
| 1981coldest | 61° | 40° | 50° | 0.69" | — |
| 1980 | 70° | 49° | 59° | — | — |
| 1979 | 69° | 52° | 60° | — | — |
| 1978 | 71° | 40° | 55° | — | — |
| 1977 | 61° | 44° | 52° | — | — |
| 1976 | 66° | 35° | 51° | — | — |
| 1975 | 66° | 47° | 56° | 0.08" | — |
| 1974 | 59° | 45° | 52° | 0.3" | — |
| 1973 | 79° | 51° | 65° | — | — |
| 1972 | 61° | 43° | 52° | 0.18" | — |
| 1971 | 64° | 37° | 51° | — | — |
55 years of data from RENTON MUNI AP