Weather on July 18
Seattle, WA
55 Years of Data
About This Date
July 18th in Seattle, WA typically brings pleasant summer weather, with average highs around 77°F and lows near 58°F. Over 54 years of records, the warmest July 18th was in 2015 (79°F average), while the coldest was 1996 (59°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 11% of July 18th dates historically, with the wettest July 18th recording 0.79" 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 Seattle, WA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 58° | 64° | — | — |
| 2024 | 86° | 60° | 73° | — | — |
| 2023 | 80° | 58° | 69° | — | — |
| 2022 | 73° | 55° | 64° | 0.03" | — |
| 2021 | 79° | 58° | 68° | — | — |
| 2020 | 80° | 56° | 68° | — | — |
| 2019 | 74° | 57° | 65° | 0.1" | — |
| 2018 | 78° | 60° | 69° | — | — |
| 2017 | 81° | 56° | 68° | — | — |
| 2016 | 73° | 62° | 68° | — | — |
| 2015warmest | 92° | 66° | 79° | — | — |
| 2014 | 78° | 57° | 68° | — | — |
| 2013 | 79° | 59° | 69° | — | — |
| 2012 | 70° | 59° | 64° | — | — |
| 2011 | 73° | 53° | 63° | — | — |
| 2010 | 67° | 54° | 60° | — | — |
| 2009 | 80° | 63° | 71° | — | — |
| 2008 | 67° | 54° | 60° | — | — |
| 2007 | 68° | 60° | 64° | 0.79" | — |
| 2006 | 74° | 56° | 65° | — | — |
| 2005 | 88° | 61° | 74° | — | — |
| 2004 | 87° | 63° | 75° | — | — |
| 2003 | 86° | 58° | 72° | — | — |
| 2002 | 78° | 61° | 69° | — | — |
| 2001 | 71° | 53° | 62° | — | — |
| 2000 | 71° | 57° | 64° | — | — |
| 1999 | 70° | 54° | 62° | — | — |
| 1997 | 75° | 56° | 65° | — | — |
| 1996coldest | 64° | 54° | 59° | 0.28" | — |
| 1995 | 90° | 63° | 76° | — | — |
| 1994 | 76° | 61° | 68° | — | — |
| 1993 | 77° | 54° | 65° | — | — |
| 1992 | 87° | 60° | 74° | — | — |
| 1991 | 73° | 58° | 65° | — | — |
| 1990 | 78° | 56° | 67° | — | — |
| 1989 | 76° | 61° | 68° | — | — |
| 1988 | 78° | 53° | 66° | — | — |
| 1987 | 77° | 59° | 68° | 0.18" | — |
| 1986 | 74° | 52° | 63° | — | — |
| 1985 | 85° | 61° | 73° | — | — |
| 1984 | 78° | 56° | 67° | — | — |
| 1983 | 77° | 56° | 66° | — | — |
| 1982 | 73° | 59° | 66° | — | — |
| 1981 | 69° | 61° | 65° | — | — |
| 1980 | 75° | 55° | 65° | — | — |
| 1979 | 84° | 62° | 73° | — | — |
| 1978 | 72° | 55° | 63° | — | — |
| 1977 | 68° | 54° | 61° | — | — |
| 1976 | 75° | 54° | 64° | — | — |
| 1975 | 73° | 60° | 67° | — | — |
| 1974 | 73° | 59° | 66° | 0.03" | — |
| 1973 | 83° | 60° | 71° | — | — |
| 1972 | 74° | 58° | 66° | — | — |
| 1971 | 89° | 59° | 74° | — | — |
Seattle, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Seattle, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Seattle, WA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Seattle, WA
Seattle, WA has no months that meet our "pleasant" threshold — every season has tradeoffs.