Weather on August 17
Dayton, OH
55 Years of Data
Avg High
86°F
Avg Low
65°F
Warmest
1988
86°F avg
Coldest
1979
62°F avg
About This Date
August 17th in Dayton, OH typically brings warm summer weather, with average highs around 86°F and lows near 65°F. Over 55 years of records, the warmest August 17th was in 1988 (86°F average), while the coldest was 1979 (62°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 17th dates historically, with the wettest August 17th recording 2.18" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 17th in Dayton, OH? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 69° | 77° | — | — |
| 2024 | 88° | 69° | 78° | 1.42" | — |
| 2023 | 81° | 64° | 72° | 0.53" | — |
| 2022 | 83° | 60° | 71° | — | — |
| 2021 | 86° | 71° | 79° | — | — |
| 2020 | 93° | 70° | 81° | — | — |
| 2019 | 90° | 71° | 80° | — | — |
| 2018 | 77° | 68° | 73° | 1.98" | — |
| 2017 | 93° | 73° | 83° | 0.3" | — |
| 2016 | 79° | 69° | 74° | 1.85" | — |
| 2015 | 92° | 67° | 79° | — | — |
| 2014 | 76° | 55° | 65° | 0.05" | — |
| 2013 | 78° | 58° | 68° | — | — |
| 2012 | 89° | 67° | 78° | 0.05" | — |
| 2011 | 86° | 63° | 74° | — | — |
| 2010 | 88° | 61° | 74° | — | — |
| 2009 | 93° | 74° | 83° | — | — |
| 2008 | 83° | 60° | 71° | — | — |
| 2007 | 92° | 70° | 81° | — | — |
| 2006 | 86° | 63° | 74° | — | — |
| 2005 | 77° | 61° | 69° | — | — |
| 2004 | 80° | 58° | 69° | — | — |
| 2003 | 92° | 68° | 80° | 0.1" | — |
| 2002 | 91° | 73° | 82° | — | — |
| 2001 | 84° | 64° | 74° | — | — |
| 2000 | 89° | — | — | — | — |
| 1999 | 93° | 59° | 76° | — | — |
| 1998 | 88° | 68° | 78° | — | — |
| 1997 | 94° | 67° | 80° | 0.89" | — |
| 1996 | 84° | 62° | 73° | — | — |
| 1995 | 94° | 77° | 85° | — | — |
| 1994 | 83° | 56° | 69° | — | — |
| 1993 | 86° | 73° | 80° | 1.02" | — |
| 1992 | 78° | 58° | 68° | — | — |
| 1991 | 90° | 68° | 79° | — | — |
| 1990 | 87° | 65° | 76° | — | — |
| 1989 | 86° | 64° | 75° | — | — |
| 1988warmest | 98° | 73° | 86° | — | — |
| 1987 | 95° | 74° | 84° | — | — |
| 1986 | 78° | 70° | 74° | 0.13" | — |
| 1985 | 79° | 69° | 74° | — | — |
| 1984 | 91° | 66° | 79° | — | — |
| 1983 | 93° | 66° | 80° | — | — |
| 1982 | 89° | 63° | 76° | — | — |
| 1981 | 78° | 54° | 66° | — | — |
| 1980 | 75° | 63° | 69° | 0.08" | — |
| 1979coldest | 74° | 51° | 62° | — | — |
| 1978 | 88° | 66° | 77° | 0.94" | — |
| 1977 | 87° | 69° | 78° | 2.18" | — |
| 1976 | 79° | 55° | 67° | — | — |
| 1975 | 82° | 66° | 74° | — | — |
| 1974 | 87° | 67° | 77° | 1.4" | — |
| 1973 | 82° | 65° | 73° | — | — |
| 1972 | 90° | 60° | 75° | — | — |
| 1971 | 83° | 58° | 70° | — | — |
55 years of data from DAYTON MCD