Weather on August 21
Spokane, WA
55 Years of Data
Avg High
83°F
Avg Low
55°F
Warmest
2022
80°F avg
Coldest
2008
59°F avg
About This Date
August 21st in Spokane, WA typically brings warm summer weather, with average highs around 83°F and lows near 55°F — a 28°F daily swing. Over 55 years of records, the warmest August 21st was in 2022 (80°F average), while the coldest was 2008 (59°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 21st dates historically, with the wettest August 21st recording 1.91" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Spokane, WA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 54° | 72° | — | — |
| 2024 | 79° | 61° | 70° | — | — |
| 2023 | 82° | 62° | 72° | — | — |
| 2022warmest | 96° | 64° | 80° | — | — |
| 2021 | 75° | 56° | 65° | 0.51" | — |
| 2020 | 92° | 63° | 77° | — | — |
| 2019 | 91° | 58° | 74° | 0.1" | — |
| 2018 | 86° | 49° | 67° | — | — |
| 2017 | 88° | 52° | 70° | — | — |
| 2016 | 93° | 57° | 75° | — | — |
| 2015 | 76° | 54° | 65° | — | — |
| 2014 | 82° | 57° | 70° | — | — |
| 2013 | 89° | 49° | 69° | — | — |
| 2012 | 79° | 61° | 70° | 0.36" | — |
| 2011 | 92° | 51° | 71° | — | — |
| 2010 | 81° | 53° | 67° | — | — |
| 2009 | 89° | 62° | 76° | 0.25" | — |
| 2008coldest | 67° | 51° | 59° | 0.58" | — |
| 2007 | 74° | 52° | 63° | — | — |
| 2006 | 100° | 55° | 78° | — | — |
| 2005 | 96° | 54° | 75° | — | — |
| 2004 | 86° | 64° | 75° | — | — |
| 2003 | 92° | 50° | 71° | — | — |
| 2002 | 76° | 57° | 66° | 0.25" | — |
| 2001 | 81° | 53° | 67° | — | — |
| 2000 | 78° | 46° | 62° | — | — |
| 1999 | 85° | 56° | 70° | — | — |
| 1998 | 86° | 59° | 73° | — | — |
| 1997 | 84° | 55° | 70° | — | — |
| 1996 | 75° | 46° | 61° | — | — |
| 1995 | 90° | 55° | 72° | — | — |
| 1994 | 77° | 52° | 64° | — | — |
| 1993 | 70° | 54° | 62° | 1.91" | — |
| 1992 | 79° | 56° | 67° | — | — |
| 1991 | 93° | 62° | 78° | — | — |
| 1990 | 65° | 55° | 60° | 1.88" | — |
| 1989 | 77° | 56° | 66° | 0.36" | — |
| 1988 | 79° | 44° | 61° | — | — |
| 1987 | 78° | 45° | 61° | — | — |
| 1986 | 88° | 58° | 73° | — | — |
| 1985 | 71° | 49° | 60° | 0.03" | — |
| 1984 | 88° | 52° | 70° | — | — |
| 1983 | 86° | 56° | 71° | — | — |
| 1982 | 90° | 61° | 75° | — | — |
| 1981 | 81° | 52° | 66° | — | — |
| 1980 | 79° | 53° | 66° | — | — |
| 1979 | 84° | 60° | 72° | — | — |
| 1978 | 69° | 54° | 61° | — | — |
| 1977 | 87° | 59° | 73° | — | — |
| 1976 | 86° | 48° | 67° | — | — |
| 1975 | 79° | 51° | 65° | — | — |
| 1974 | 76° | 47° | 61° | — | — |
| 1973 | 86° | 50° | 68° | — | — |
| 1972 | 88° | 54° | 71° | — | — |
| 1971 | 82° | 58° | 70° | — | — |
55 years of data from SPOKANE FELTS FLD