Weather on October 17
Dayton, OH
55 Years of Data
Avg High
64°F
Avg Low
44°F
Warmest
2016
72°F avg
Coldest
2009
39°F avg
About This Date
October 17th in Dayton, OH typically brings mild fall weather, with average highs around 64°F and lows near 44°F. Over 55 years of records, the warmest October 17th was in 2016 (72°F average), while the coldest was 2009 (39°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 25% of October 17th dates historically, with the wettest October 17th recording 5.28" of rain. The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
Planning for October 17th in Dayton, OH? Great weather for outdoor activities.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 44° | 57° | — | — |
| 2024 | 62° | 36° | 49° | — | — |
| 2023 | 56° | 46° | 51° | — | — |
| 2022 | 50° | 37° | 44° | — | — |
| 2021 | 66° | 43° | 54° | — | — |
| 2020 | 63° | 39° | 51° | — | — |
| 2019 | 51° | 42° | 47° | — | — |
| 2018 | 51° | 32° | 42° | — | — |
| 2017 | 61° | 39° | 50° | — | — |
| 2016warmest | 80° | 64° | 72° | — | — |
| 2015 | 65° | 30° | 47° | — | — |
| 2014 | 64° | 51° | 58° | — | — |
| 2013 | 66° | 40° | 53° | 0.03" | — |
| 2012 | 64° | 36° | 50° | — | — |
| 2011 | 79° | 44° | 61° | — | — |
| 2010 | 72° | 40° | 56° | — | — |
| 2009coldest | 43° | 35° | 39° | 0.03" | — |
| 2008 | 63° | 50° | 56° | — | — |
| 2007 | 67° | 60° | 63° | 0.89" | — |
| 2006 | 58° | 48° | 53° | 5.28" | — |
| 2005 | 65° | 39° | 52° | — | — |
| 2004 | 47° | 34° | 40° | — | — |
| 2003 | 65° | 44° | 54° | 0.18" | — |
| 2002 | 51° | 39° | 45° | — | — |
| 2001 | 48° | 36° | 42° | 0.46" | — |
| 2000 | 66° | 54° | 60° | 0.61" | — |
| 1999 | 81° | 59° | 70° | — | — |
| 1998 | 82° | 51° | 67° | — | — |
| 1997 | 58° | 40° | 49° | — | — |
| 1996 | 76° | 52° | 64° | — | — |
| 1995 | 62° | 37° | 50° | — | — |
| 1994 | 82° | 50° | 66° | — | — |
| 1993 | 63° | 60° | 61° | 0.64" | — |
| 1992 | 54° | 36° | 45° | 0.2" | — |
| 1991 | 58° | 33° | 45° | — | — |
| 1990 | 72° | 46° | 59° | — | — |
| 1989 | 73° | 53° | 63° | 0.18" | — |
| 1988 | 61° | 54° | 57° | 0.46" | — |
| 1987 | 75° | 42° | 59° | 0.23" | — |
| 1986 | 56° | 40° | 48° | — | — |
| 1985 | 68° | 44° | 56° | — | — |
| 1984 | 80° | 58° | 69° | — | — |
| 1983 | 72° | 45° | 58° | — | — |
| 1982 | 52° | 33° | 42° | — | — |
| 1981 | 63° | 43° | 53° | — | — |
| 1980 | 81° | 59° | 70° | — | — |
| 1979 | 65° | 52° | 58° | 0.18" | — |
| 1978 | 51° | 36° | 43° | — | — |
| 1977 | 51° | 31° | 41° | 0.13" | — |
| 1976 | 58° | 41° | 49° | — | — |
| 1975 | 56° | 47° | 51° | — | — |
| 1974 | 61° | 44° | 52° | — | — |
| 1973 | 61° | 39° | 50° | — | — |
| 1972 | 58° | 46° | 52° | — | — |
| 1971 | 73° | 54° | 63° | — | — |
55 years of data from DAYTON MCD