Weather on August 18
Milwaukee, WI
55 Years of Data
Avg High
80°F
Avg Low
63°F
Warmest
1972
81°F avg
Coldest
1977
60°F avg
About This Date
August 18th 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 18th was in 1972 (81°F average), while the coldest was 1977 (60°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 18th dates historically, with the wettest August 18th recording 6.22" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Milwaukee, WI? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 66° | 72° | — | — |
| 2024 | 83° | 65° | 74° | 0.74" | — |
| 2023 | 77° | 57° | 67° | — | — |
| 2022 | 85° | 61° | 73° | — | — |
| 2021 | 83° | 67° | 75° | — | — |
| 2020 | 76° | 63° | 69° | — | — |
| 2019 | 81° | 69° | 75° | 0.64" | — |
| 2018 | 76° | 66° | 71° | — | — |
| 2017 | 80° | 69° | 75° | — | — |
| 2016 | 87° | 70° | 78° | — | — |
| 2015 | 79° | 68° | 73° | 1.57" | — |
| 2014 | 79° | 60° | 69° | — | — |
| 2013 | 78° | 57° | 68° | — | — |
| 2012 | 76° | 55° | 65° | — | — |
| 2011 | 80° | 65° | 72° | — | — |
| 2010 | 78° | 56° | 67° | — | — |
| 2009 | 82° | 66° | 74° | 0.05" | — |
| 2008 | 87° | 65° | 76° | — | — |
| 2007 | 76° | 60° | 68° | — | — |
| 2006 | 77° | 59° | 68° | 0.36" | — |
| 2005 | 76° | 65° | 70° | — | — |
| 2004 | 78° | 59° | 69° | — | — |
| 2003 | 88° | 61° | 74° | — | — |
| 2002 | 88° | 54° | 71° | 0.03" | — |
| 2001 | 82° | 61° | 71° | — | — |
| 2000 | 71° | 56° | 63° | 2.74" | — |
| 1999 | 84° | 62° | 73° | — | — |
| 1998 | 72° | 64° | 68° | — | — |
| 1997 | 65° | 56° | 60° | — | — |
| 1996 | 81° | 62° | 71° | — | — |
| 1995 | 81° | 73° | 77° | — | — |
| 1994 | 81° | 65° | 73° | 0.48" | — |
| 1993 | 79° | 66° | 72° | — | — |
| 1992 | 80° | 61° | 70° | — | — |
| 1991 | 83° | 64° | 73° | — | — |
| 1990 | 90° | 68° | 79° | 6.22" | — |
| 1989 | 72° | 55° | 63° | — | — |
| 1988 | 75° | 65° | 70° | 0.89" | — |
| 1987 | 76° | 63° | 69° | 0.69" | — |
| 1986 | 74° | 63° | 68° | — | — |
| 1985 | 77° | 61° | 69° | 0.33" | — |
| 1984 | 79° | 66° | 72° | — | — |
| 1983 | 85° | 72° | 78° | — | — |
| 1982 | 84° | 62° | 73° | — | — |
| 1981 | 74° | 55° | 64° | — | — |
| 1980 | 86° | 64° | 75° | — | — |
| 1979 | 74° | 66° | 70° | — | — |
| 1978 | 88° | 67° | 77° | 2.97" | — |
| 1977coldest | 70° | 50° | 60° | — | — |
| 1976 | 86° | 60° | 73° | — | — |
| 1975 | 70° | 61° | 65° | 0.71" | — |
| 1974 | 85° | 62° | 73° | — | — |
| 1973 | 89° | 68° | 79° | 0.05" | — |
| 1972warmest | 90° | 72° | 81° | — | — |
| 1971 | 84° | 62° | 73° | — | — |
55 years of data from W ALLIS