Weather on August 15
Grand Rapids, MI
55 Years of Data
Avg High
81°F
Avg Low
59°F
Warmest
1987
80°F avg
Coldest
1979
60°F avg
About This Date
August 15th in Grand Rapids, MI typically brings warm summer weather, with average highs around 81°F and lows near 59°F. Over 55 years of records, the warmest August 15th was in 1987 (80°F average), while the coldest was 1979 (60°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 15th dates historically, with the wettest August 15th recording 3.84" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 15th in Grand Rapids, MI? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 64° | 73° | — | — |
| 2024 | 84° | 57° | 71° | — | — |
| 2023 | 75° | 61° | 68° | 3.84" | — |
| 2022 | 71° | 58° | 64° | 0.03" | — |
| 2021 | 79° | 53° | 66° | — | — |
| 2020 | 88° | 63° | 75° | — | — |
| 2019 | 76° | 58° | 67° | 2.13" | — |
| 2018 | 88° | 60° | 74° | — | — |
| 2017 | 80° | 62° | 71° | 0.03" | — |
| 2016 | 84° | 61° | 72° | — | — |
| 2015 | 88° | 62° | 75° | 0.08" | — |
| 2014 | 75° | 46° | 61° | — | — |
| 2013 | 76° | 48° | 62° | — | — |
| 2012 | 84° | 57° | 71° | — | — |
| 2011 | 81° | 59° | 70° | — | — |
| 2010 | 86° | 71° | 79° | — | — |
| 2009 | 86° | 65° | 75° | — | — |
| 2008 | 80° | 54° | 67° | — | — |
| 2007 | 79° | 68° | 73° | — | — |
| 2006 | 80° | 57° | 69° | — | — |
| 2005 | 81° | 60° | 70° | — | — |
| 2004 | 74° | 49° | 61° | — | — |
| 2003 | 86° | 71° | 79° | — | — |
| 2002 | 82° | 62° | 72° | — | — |
| 2001 | 80° | 52° | 66° | — | — |
| 2000 | 84° | 67° | 75° | 0.64" | — |
| 1999 | 76° | 51° | 63° | — | — |
| 1998 | 82° | 64° | 73° | — | — |
| 1997 | 82° | 63° | 72° | 1.04" | — |
| 1996 | 78° | 63° | 70° | — | — |
| 1995 | 86° | 70° | 78° | — | — |
| 1994 | 75° | 50° | 63° | — | — |
| 1993 | 81° | 66° | 73° | 0.15" | — |
| 1992 | 72° | 54° | 63° | — | — |
| 1991 | 85° | 60° | 72° | — | — |
| 1990 | 79° | 62° | 70° | — | — |
| 1989 | 77° | 59° | 68° | — | — |
| 1988 | 91° | 64° | 78° | — | — |
| 1987warmest | 89° | 71° | 80° | 1.02" | — |
| 1986 | 79° | 67° | 73° | 3.43" | — |
| 1985 | 76° | 61° | 68° | 1.17" | — |
| 1984 | 87° | 59° | 73° | — | — |
| 1983 | 83° | 63° | 73° | — | — |
| 1982 | 87° | 59° | 73° | — | — |
| 1981 | 82° | 63° | 72° | 0.2" | — |
| 1980 | 78° | 57° | 68° | — | — |
| 1979coldest | 75° | 45° | 60° | — | — |
| 1978 | 89° | 63° | 76° | — | — |
| 1977 | 79° | 48° | 63° | — | — |
| 1976 | 75° | 48° | 62° | — | — |
| 1975 | 77° | 60° | 69° | — | — |
| 1974 | 82° | 53° | 68° | — | — |
| 1973 | 82° | 58° | 70° | — | — |
| 1972 | 77° | 58° | 67° | — | — |
| 1971 | 78° | 57° | 68° | — | — |
55 years of data from E GRAND RAPIDS