Weather on August 17
Bellevue, WA
55 Years of Data
Avg High
78°F
Avg Low
58°F
Warmest
1977
79°F avg
Coldest
1973
55°F avg
About This Date
August 17th in Bellevue, WA typically brings pleasant summer weather, with average highs around 78°F and lows near 58°F. Over 54 years of records, the warmest August 17th was in 1977 (79°F average), while the coldest was 1973 (55°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 17% of August 17th dates historically, with the wettest August 17th recording 2.24" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for August 17th in Bellevue, WA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 62° | 70° | — | — |
| 2024 | 79° | 58° | 68° | 1.85" | — |
| 2023 | 92° | 64° | 78° | — | — |
| 2022 | 88° | 60° | 74° | — | — |
| 2021 | 69° | 57° | 63° | — | — |
| 2020 | 87° | 65° | 76° | — | — |
| 2019 | 74° | 61° | 67° | — | — |
| 2018 | 75° | 56° | 65° | — | — |
| 2017 | 78° | 58° | 68° | — | — |
| 2016 | 80° | 56° | 68° | — | — |
| 2015 | 81° | 56° | 68° | — | — |
| 2014 | 81° | 62° | 71° | — | — |
| 2013 | 80° | 63° | 71° | — | — |
| 2012 | 91° | 60° | 76° | — | — |
| 2011 | 78° | 53° | 66° | — | — |
| 2010 | 89° | 59° | 74° | — | — |
| 2009 | 80° | 56° | 68° | — | — |
| 2008 | 87° | 66° | 77° | — | — |
| 2007 | 78° | 54° | 66° | — | — |
| 2006 | 72° | 55° | 63° | — | — |
| 2005 | 72° | 58° | 65° | 0.43" | — |
| 2004 | 80° | 59° | 70° | — | — |
| 2003 | 82° | 63° | 72° | — | — |
| 2002 | 80° | 50° | 65° | — | — |
| 2001 | 73° | 57° | 65° | — | — |
| 2000 | 75° | 47° | 61° | — | — |
| 1999 | 79° | 58° | 68° | — | — |
| 1997 | 87° | 60° | 74° | — | — |
| 1996 | 69° | 54° | 61° | — | — |
| 1995 | 65° | 52° | 58° | 2.24" | — |
| 1994 | 76° | 61° | 68° | — | — |
| 1993 | 75° | 59° | 67° | — | — |
| 1992 | 82° | 57° | 70° | — | — |
| 1991 | 82° | 60° | 71° | — | — |
| 1990 | 78° | 60° | 69° | 0.05" | — |
| 1989 | 75° | 56° | 65° | — | — |
| 1988 | 72° | 57° | 64° | 0.38" | — |
| 1987 | 74° | 52° | 63° | — | — |
| 1986 | 81° | 56° | 68° | — | — |
| 1985 | 85° | 57° | 71° | — | — |
| 1984 | 79° | 64° | 71° | — | — |
| 1983 | 75° | 56° | 65° | — | — |
| 1982 | 77° | 52° | 64° | — | — |
| 1981 | 85° | 56° | 70° | — | — |
| 1980 | 73° | 57° | 65° | 0.05" | — |
| 1979 | 81° | 61° | 71° | — | — |
| 1978 | 74° | 55° | 64° | — | — |
| 1977warmest | 94° | 64° | 79° | — | — |
| 1976 | 65° | 53° | 59° | — | — |
| 1975 | 64° | 60° | 62° | 0.56" | — |
| 1974 | 79° | 54° | 66° | — | — |
| 1973coldest | 61° | 50° | 55° | 0.08" | — |
| 1972 | 72° | 54° | 63° | 0.33" | — |
| 1971 | 78° | 56° | 67° | — | — |
54 years of data from SEATTLE UNIV OF WASHIN