Weather on August 20
Milwaukee, WI
55 Years of Data
Avg High
79°F
Avg Low
63°F
Warmest
1971
79°F avg
Coldest
2000
60°F avg
About This Date
August 20th in Milwaukee, WI typically brings pleasant summer weather, with average highs around 79°F and lows near 63°F. Over 55 years of records, the warmest August 20th was in 1971 (79°F average), while the coldest was 2000 (60°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 36% of August 20th dates historically, with the wettest August 20th recording 5.41" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Milwaukee, WI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 64° | 71° | — | — |
| 2024 | 77° | 56° | 66° | — | — |
| 2023 | 84° | 65° | 74° | — | — |
| 2022 | 79° | 66° | 72° | 1.24" | — |
| 2021 | 84° | 69° | 77° | — | — |
| 2020 | 84° | 64° | 74° | — | — |
| 2019 | 81° | 69° | 75° | 0.03" | — |
| 2018 | 79° | 69° | 74° | 5.41" | — |
| 2017 | 85° | 63° | 74° | — | — |
| 2016 | 80° | 64° | 72° | 0.69" | — |
| 2015 | 70° | 56° | 63° | — | — |
| 2014 | 81° | 66° | 73° | — | — |
| 2013 | 86° | 66° | 76° | — | — |
| 2012 | 72° | 57° | 64° | 0.56" | — |
| 2011 | 80° | 64° | 72° | 0.25" | — |
| 2010 | 89° | 69° | 79° | 0.13" | — |
| 2009 | 82° | 60° | 71° | 0.43" | — |
| 2008 | 80° | 63° | 71° | — | — |
| 2007 | 68° | 58° | 63° | 3.71" | — |
| 2006 | 81° | 56° | 68° | — | — |
| 2005 | 86° | 69° | 78° | 0.51" | — |
| 2004 | 72° | 51° | 61° | — | — |
| 2003 | 89° | 67° | 78° | — | — |
| 2002 | 80° | 53° | 67° | — | — |
| 2001 | 76° | 56° | 66° | — | — |
| 2000coldest | 69° | 51° | 60° | — | — |
| 1999 | 72° | 55° | 63° | 0.08" | — |
| 1998 | 86° | 62° | 74° | — | — |
| 1997 | 68° | 58° | 63° | 0.48" | — |
| 1996 | 84° | 71° | 78° | 0.03" | — |
| 1995 | 77° | 64° | 71° | — | — |
| 1994 | 79° | 65° | 72° | 0.91" | — |
| 1993 | 77° | 67° | 72° | — | — |
| 1992 | 77° | 56° | 66° | — | — |
| 1991 | 72° | 60° | 66° | — | — |
| 1990 | 67° | 64° | 65° | 0.64" | — |
| 1989 | 80° | 65° | 72° | 0.76" | — |
| 1988 | 75° | 61° | 68° | — | — |
| 1987 | 82° | 60° | 71° | — | — |
| 1986 | 79° | 58° | 68° | — | — |
| 1985 | 65° | 58° | 61° | — | — |
| 1984 | 79° | 62° | 70° | — | — |
| 1983 | 84° | 71° | 78° | — | — |
| 1982 | 84° | 68° | 76° | — | — |
| 1981 | 77° | 59° | 68° | — | — |
| 1980 | 88° | 70° | 79° | 0.48" | — |
| 1979 | 77° | 65° | 71° | 1.12" | — |
| 1978 | 81° | 58° | 69° | — | — |
| 1977 | 74° | 56° | 65° | — | — |
| 1976 | 89° | 65° | 77° | — | — |
| 1975 | 73° | 64° | 69° | 2.67" | — |
| 1974 | 88° | 68° | 78° | — | — |
| 1973 | 81° | 65° | 73° | — | — |
| 1972 | 86° | 66° | 76° | — | — |
| 1971warmest | 90° | 68° | 79° | 1.32" | — |
55 years of data from W ALLIS