Weather on October 15
Ann Arbor, MI
55 Years of Data
Avg High
61°F
Avg Low
41°F
Warmest
1989
68°F avg
Coldest
2018
39°F avg
About This Date
October 15th in Ann Arbor, MI typically brings mild fall weather, with average highs around 61°F and lows near 41°F. Over 55 years of records, the warmest October 15th was in 1989 (68°F average), while the coldest was 2018 (39°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 44% of October 15th dates historically, with the wettest October 15th recording 3.35" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for October 15th in Ann Arbor, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 39° | 51° | 0.08" | — |
| 2024 | 51° | 38° | 44° | — | — |
| 2023 | 54° | 41° | 47° | — | — |
| 2022 | 53° | 28° | 41° | 0.1" | — |
| 2021 | 61° | 55° | 58° | — | — |
| 2020 | 64° | 41° | 53° | 0.03" | — |
| 2019 | 64° | 28° | 46° | — | — |
| 2018coldest | 51° | 27° | 39° | — | — |
| 2017 | 71° | 43° | 57° | 0.25" | — |
| 2016 | 64° | 32° | 48° | — | — |
| 2015 | 65° | 29° | 47° | 0.08" | — |
| 2014 | 63° | 52° | 57° | 0.05" | — |
| 2013 | 64° | 36° | 50° | 0.1" | — |
| 2012 | 55° | 46° | 51° | — | — |
| 2011 | 57° | 43° | 50° | 0.38" | — |
| 2010 | 62° | 42° | 52° | 0.03" | — |
| 2009 | 46° | 35° | 41° | — | — |
| 2008 | 69° | 41° | 55° | 0.03" | — |
| 2007 | 71° | 42° | 57° | — | — |
| 2006 | 55° | 24° | 40° | — | — |
| 2005 | 66° | 43° | 54° | — | — |
| 2004 | 51° | 43° | 47° | 0.28" | — |
| 2003 | 58° | 40° | 49° | — | — |
| 2002 | 62° | 26° | 44° | — | — |
| 2001 | 59° | 42° | 51° | 0.3" | — |
| 2000 | 66° | 47° | 56° | 0.61" | — |
| 1999 | 68° | 29° | 48° | — | — |
| 1998 | 61° | 45° | 53° | — | — |
| 1997 | 52° | 34° | 43° | — | — |
| 1996 | 64° | 37° | 51° | — | — |
| 1995 | 52° | 41° | 46° | 0.08" | — |
| 1994 | 65° | 44° | 54° | — | — |
| 1993 | 68° | 47° | 57° | — | — |
| 1992 | 61° | 55° | 58° | 3.35" | — |
| 1991 | 50° | 40° | 45° | 0.23" | — |
| 1990 | 66° | 45° | 55° | 0.18" | — |
| 1989warmest | 82° | 53° | 68° | — | — |
| 1988 | 69° | 47° | 58° | — | — |
| 1987 | 69° | 45° | 57° | — | — |
| 1986 | 47° | 40° | 43° | 0.05" | — |
| 1985 | 63° | 52° | 57° | 0.53" | — |
| 1984 | 67° | 56° | 61° | 0.81" | — |
| 1983 | 63° | 34° | 48° | — | — |
| 1982 | 58° | 48° | 53° | 0.15" | — |
| 1981 | 59° | 50° | 55° | 0.2" | — |
| 1980 | 59° | 39° | 49° | 0.25" | — |
| 1979 | 64° | 38° | 51° | — | — |
| 1978 | 49° | 35° | 42° | — | — |
| 1977 | 59° | 38° | 48° | 0.03" | — |
| 1976 | 61° | 48° | 54° | — | — |
| 1975 | 77° | 58° | 67° | — | — |
| 1974 | 56° | 40° | 48° | — | — |
| 1973 | 67° | 53° | 60° | — | — |
| 1972 | 57° | 34° | 45° | — | — |
| 1971 | 76° | 46° | 61° | — | — |
55 years of data from ANN ARBOR 1W