Weather on August 15
Spokane, WA
55 Years of Data
Avg High
85°F
Avg Low
55°F
Warmest
2023
84°F avg
Coldest
1989
58°F avg
About This Date
August 15th in Spokane, WA typically brings warm summer weather, with average highs around 85°F and lows near 55°F — a 30°F daily swing. Over 55 years of records, the warmest August 15th was in 2023 (84°F average), while the coldest was 1989 (58°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 15th dates historically, with the wettest August 15th recording 1.55" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Spokane, WA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 64° | 72° | — | — |
| 2024 | 87° | 56° | 71° | — | — |
| 2023warmest | 105° | 63° | 84° | — | — |
| 2022 | 93° | 54° | 73° | — | — |
| 2021 | 100° | 62° | 81° | — | — |
| 2020 | 93° | 53° | 73° | — | — |
| 2019 | 85° | 58° | 71° | — | — |
| 2018 | 93° | 54° | 73° | — | — |
| 2017 | 84° | 48° | 66° | — | — |
| 2016 | 95° | 56° | 75° | — | — |
| 2015 | 77° | 56° | 66° | — | — |
| 2014 | 75° | 61° | 68° | 0.08" | — |
| 2013 | 92° | 60° | 76° | — | — |
| 2012 | 84° | 61° | 72° | — | — |
| 2011 | 75° | 55° | 65° | — | — |
| 2010 | 90° | 53° | 71° | — | — |
| 2009 | 73° | 47° | 60° | 0.03" | — |
| 2008 | 97° | 60° | 78° | — | — |
| 2007 | 97° | 53° | 75° | — | — |
| 2006 | 88° | 55° | 71° | — | — |
| 2005 | 90° | 50° | 70° | — | — |
| 2004 | 94° | 65° | 79° | — | — |
| 2003 | 94° | 56° | 75° | — | — |
| 2002 | 88° | 52° | 70° | — | — |
| 2001 | 98° | 58° | 78° | — | — |
| 2000 | 83° | 49° | 66° | — | — |
| 1999 | 71° | 50° | 61° | — | — |
| 1998 | 86° | 59° | 73° | — | — |
| 1997 | 84° | 61° | 72° | 0.05" | — |
| 1996 | 88° | 56° | 72° | — | — |
| 1995 | 71° | 55° | 63° | 0.23" | — |
| 1994 | 81° | 58° | 69° | — | — |
| 1993 | 71° | 55° | 63° | 0.05" | — |
| 1992 | 95° | 64° | 80° | — | — |
| 1991 | 85° | 52° | 68° | — | — |
| 1990 | 83° | 60° | 71° | — | — |
| 1989coldest | 68° | 48° | 58° | — | — |
| 1988 | 79° | 54° | 66° | — | — |
| 1987 | 70° | 52° | 61° | 0.69" | — |
| 1986 | 87° | 57° | 72° | — | — |
| 1985 | 77° | 55° | 66° | 0.03" | — |
| 1984 | 89° | 52° | 70° | — | — |
| 1983 | 89° | 59° | 74° | — | — |
| 1982 | 79° | 56° | 67° | — | — |
| 1981 | 95° | 60° | 78° | — | — |
| 1980 | 83° | 51° | 67° | — | — |
| 1979 | 78° | 50° | 64° | 0.03" | — |
| 1978 | 68° | 55° | 62° | 1.55" | — |
| 1977 | 87° | 59° | 73° | — | — |
| 1976 | 70° | 51° | 60° | — | — |
| 1975 | 87° | 53° | 70° | — | — |
| 1974 | 77° | 45° | 61° | — | — |
| 1973 | 86° | 55° | 71° | — | — |
| 1972 | 75° | 61° | 68° | 0.46" | — |
| 1971 | 87° | 48° | 68° | — | — |
55 years of data from SPOKANE FELTS FLD