Weather on August 15
Milwaukee, WI
55 Years of Data
Avg High
80°F
Avg Low
63°F
Warmest
1978
82°F avg
Coldest
1979
59°F avg
About This Date
August 15th in Milwaukee, WI typically brings warm summer weather, with average highs around 80°F and lows near 63°F. Over 55 years of records, the warmest August 15th was in 1978 (82°F average), while the coldest was 1979 (59°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 15th dates historically, with the wettest August 15th recording 8.69" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Milwaukee, WI? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 65° | 74° | — | — |
| 2024 | 84° | 67° | 75° | 0.03" | — |
| 2023 | 69° | 62° | 66° | 8.69" | — |
| 2022 | 77° | 64° | 71° | — | — |
| 2021 | 80° | 60° | 70° | — | — |
| 2020 | 85° | 68° | 76° | — | — |
| 2019 | 76° | 62° | 69° | — | — |
| 2018 | 84° | 71° | 78° | — | — |
| 2017 | 76° | 65° | 70° | — | — |
| 2016 | 81° | 67° | 74° | — | — |
| 2015 | 87° | 66° | 77° | — | — |
| 2014 | 79° | 56° | 67° | — | — |
| 2013 | 76° | 57° | 66° | — | — |
| 2012 | 84° | 64° | 74° | 0.03" | — |
| 2011 | 82° | 59° | 71° | — | — |
| 2010 | 89° | 72° | 80° | — | — |
| 2009 | 90° | 66° | 78° | — | — |
| 2008 | 80° | 57° | 69° | 0.05" | — |
| 2007 | 84° | 64° | 74° | — | — |
| 2006 | 81° | 59° | 70° | — | — |
| 2005 | 83° | 58° | 70° | — | — |
| 2004 | 76° | 47° | 61° | — | — |
| 2003 | 88° | 69° | 78° | — | — |
| 2002 | 80° | 58° | 69° | — | — |
| 2001 | 80° | 55° | 68° | — | — |
| 2000 | 86° | 70° | 78° | — | — |
| 1999 | 74° | 54° | 64° | — | — |
| 1998 | 75° | 66° | 71° | — | — |
| 1997 | 82° | 66° | 74° | 0.86" | — |
| 1996 | 76° | 63° | 69° | — | — |
| 1995 | 77° | 69° | 73° | 0.28" | — |
| 1994 | 76° | 59° | 67° | — | — |
| 1993 | 82° | 69° | 76° | 2.21" | — |
| 1992 | 67° | 52° | 59° | — | — |
| 1991 | 89° | 69° | 79° | — | — |
| 1990 | 88° | 68° | 78° | — | — |
| 1989 | 69° | 60° | 65° | — | — |
| 1988 | 84° | 70° | 77° | 0.64" | — |
| 1987 | 89° | 65° | 77° | 2.18" | — |
| 1986 | 85° | 70° | 77° | — | — |
| 1985 | 75° | 64° | 70° | — | — |
| 1984 | 89° | 69° | 79° | — | — |
| 1983 | 90° | 66° | 78° | — | — |
| 1982 | 83° | 68° | 75° | — | — |
| 1981 | 84° | 64° | 74° | 0.86" | — |
| 1980 | 72° | 66° | 69° | — | — |
| 1979coldest | 69° | 48° | 59° | — | — |
| 1978warmest | 94° | 70° | 82° | 1.42" | — |
| 1977 | 76° | 55° | 65° | — | — |
| 1976 | 72° | 53° | 62° | — | — |
| 1975 | 81° | 64° | 72° | — | — |
| 1974 | 83° | 63° | 73° | — | — |
| 1973 | 77° | 61° | 69° | — | — |
| 1972 | 70° | 61° | 65° | — | — |
| 1971 | 72° | 59° | 65° | — | — |
55 years of data from W ALLIS