Weather on July 18
Renton, WA
55 Years of Data
Avg High
78°F
Avg Low
55°F
Warmest
1995
77°F avg
Coldest
1977
57°F avg
About This Date
July 18th in Renton, WA typically brings pleasant summer weather, with average highs around 78°F and lows near 55°F. Over 55 years of records, the warmest July 18th was in 1995 (77°F average), while the coldest was 1977 (57°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 15% of July 18th dates historically, with the wettest July 18th recording 0.91" 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 July 18th in Renton, WA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 56° | 63° | — | — |
| 2024 | 86° | 60° | 73° | — | — |
| 2023 | 81° | 59° | 70° | — | — |
| 2022 | 72° | 56° | 64° | — | — |
| 2021 | 81° | 58° | 69° | — | — |
| 2020 | 79° | 54° | 66° | — | — |
| 2019 | 72° | 57° | 64° | 0.05" | — |
| 2018 | 79° | 63° | 71° | — | — |
| 2017 | 82° | 55° | 69° | — | — |
| 2016 | 71° | 63° | 67° | 0.03" | — |
| 2015 | 92° | 59° | 75° | — | — |
| 2014 | 76° | 56° | 66° | — | — |
| 2013 | 77° | 57° | 67° | — | — |
| 2012 | 72° | 60° | 66° | — | — |
| 2011 | 72° | 53° | 62° | — | — |
| 2010 | 69° | 54° | 61° | — | — |
| 2009 | 80° | 60° | 70° | — | — |
| 2008 | 67° | 55° | 61° | — | — |
| 2007 | 69° | 62° | 66° | 0.63" | — |
| 2006 | 74° | 56° | 65° | — | — |
| 2005 | 88° | 58° | 73° | — | — |
| 2004 | 87° | 64° | 76° | — | — |
| 2003 | 85° | 55° | 70° | — | — |
| 2002 | 78° | 63° | 70° | — | — |
| 2001 | 72° | 54° | 63° | — | — |
| 2000 | 72° | 58° | 65° | 0.03" | — |
| 1999 | 72° | 56° | 64° | — | — |
| 1998 | 82° | 58° | 70° | — | — |
| 1997 | 77° | 56° | 66° | — | — |
| 1996 | 63° | 52° | 57° | 0.91" | — |
| 1995warmest | 91° | 63° | 77° | — | — |
| 1994 | 76° | 63° | 69° | — | — |
| 1993 | 75° | 52° | 63° | — | — |
| 1992 | 89° | 59° | 74° | — | — |
| 1991 | 75° | 56° | 65° | — | — |
| 1990 | 82° | 56° | 69° | — | — |
| 1989 | 81° | 60° | 70° | — | — |
| 1988 | 82° | 47° | 64° | — | — |
| 1987 | 79° | 46° | 62° | 0.15" | — |
| 1986 | 77° | 44° | 61° | — | — |
| 1985 | 88° | 51° | 69° | — | — |
| 1984 | 82° | 47° | 64° | — | — |
| 1983 | 78° | 50° | 64° | 0.08" | — |
| 1982 | 72° | 54° | 63° | — | — |
| 1981 | — | 55° | — | — | — |
| 1980 | 76° | 48° | 62° | — | — |
| 1979 | 94° | 56° | 75° | — | — |
| 1978 | 73° | 50° | 62° | — | — |
| 1977coldest | 72° | 43° | 57° | — | — |
| 1976 | 75° | 48° | 62° | — | — |
| 1975 | 72° | 57° | 64° | — | — |
| 1974 | 72° | 52° | 62° | 0.13" | — |
| 1973 | 86° | 52° | 69° | — | — |
| 1972 | 86° | 57° | 72° | — | — |
| 1971 | 90° | 54° | 72° | — | — |
55 years of data from RENTON MUNI AP