Weather on August 20
Tacoma, WA
55 Years of Data
Avg High
76°F
Avg Low
56°F
Warmest
1982
73°F avg
Coldest
1978
60°F avg
About This Date
August 20th in Tacoma, WA typically brings pleasant summer weather, with average highs around 76°F and lows near 56°F. Over 55 years of records, the warmest August 20th was in 1982 (73°F average), while the coldest was 1978 (60°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 20th dates historically, with the wettest August 20th recording 1.68" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Tacoma, WA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 61° | 68° | — | — |
| 2024 | 77° | 55° | 66° | 1.07" | — |
| 2023 | 77° | 55° | 66° | — | — |
| 2022 | 78° | 64° | 71° | — | — |
| 2021 | 77° | 59° | 68° | — | — |
| 2020 | 79° | 63° | 71° | 0.08" | — |
| 2019 | 81° | 56° | 68° | — | — |
| 2018 | 78° | 59° | 69° | — | — |
| 2017 | 75° | 57° | 66° | — | — |
| 2016 | 86° | 60° | 73° | — | — |
| 2015 | 78° | 60° | 69° | — | — |
| 2014 | 73° | 59° | 66° | — | — |
| 2013 | 79° | 60° | 69° | — | — |
| 2012 | 75° | 58° | 66° | — | — |
| 2011 | 79° | 54° | 66° | — | — |
| 2010 | 71° | 53° | 62° | — | — |
| 2009 | 83° | 60° | 71° | — | — |
| 2008 | 73° | 58° | 65° | 1.68" | — |
| 2007 | 66° | 57° | 62° | 0.38" | — |
| 2006 | 82° | 53° | 68° | — | — |
| 2005 | 80° | 55° | 68° | — | — |
| 2004 | 84° | 63° | 73° | — | — |
| 2003 | 80° | 56° | 68° | — | — |
| 2002 | 74° | 57° | 65° | 0.03" | — |
| 2001 | 74° | 51° | 62° | — | — |
| 2000 | 72° | 54° | 63° | — | — |
| 1999 | 78° | 54° | 66° | — | — |
| 1998 | 79° | 51° | 65° | — | — |
| 1997 | 74° | 58° | 66° | 0.15" | — |
| 1996 | 71° | 58° | 64° | — | — |
| 1995 | 74° | 52° | 63° | — | — |
| 1994 | 76° | 60° | 68° | — | — |
| 1993 | 78° | 59° | 69° | — | — |
| 1992 | 76° | 53° | 64° | — | — |
| 1991 | 83° | 58° | 70° | — | — |
| 1990 | 74° | 58° | 66° | 0.03" | — |
| 1989 | 73° | 60° | 67° | 0.08" | — |
| 1988 | 70° | 52° | 61° | — | — |
| 1987 | 78° | 50° | 64° | — | — |
| 1986 | 80° | 51° | 66° | — | — |
| 1985 | 69° | 54° | 61° | — | — |
| 1984 | 78° | 46° | 62° | — | — |
| 1983 | 82° | 56° | 69° | — | — |
| 1982warmest | 85° | 61° | 73° | — | — |
| 1981 | 67° | 59° | 63° | — | — |
| 1980 | 71° | 52° | 61° | — | — |
| 1979 | 70° | 56° | 63° | 0.2" | — |
| 1978coldest | 66° | 54° | 60° | 0.08" | — |
| 1977 | 78° | 56° | 67° | — | — |
| 1976 | 70° | 55° | 62° | — | — |
| 1975 | 71° | 52° | 61° | — | — |
| 1974 | 67° | 55° | 61° | — | — |
| 1973 | — | 50° | — | — | — |
| 1972 | 75° | 52° | 63° | — | — |
| 1971 | 79° | 64° | 71° | — | — |
55 years of data from TACOMA CITY HALL