Weather on October 18
Ann Arbor, MI
55 Years of Data
Avg High
61°F
Avg Low
39°F
Warmest
2007
68°F avg
Coldest
1976
35°F avg
About This Date
October 18th in Ann Arbor, MI typically brings mild fall weather, with average highs around 61°F and lows near 39°F. Over 55 years of records, the warmest October 18th was in 2007 (68°F average), while the coldest was 1976 (35°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 42% of October 18th dates historically, with the wettest October 18th recording 2.82" 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 October 18th in Ann Arbor, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 53° | 68° | 0.33" | — |
| 2024 | 65° | 28° | 47° | — | — |
| 2023 | 62° | 32° | 47° | — | — |
| 2022 | 43° | 37° | 40° | 0.15" | — |
| 2021 | 67° | 33° | 50° | — | — |
| 2020 | 62° | 39° | 51° | — | — |
| 2019 | 56° | 27° | 42° | — | — |
| 2018 | 52° | 21° | 37° | — | — |
| 2017 | 69° | 34° | 51° | — | — |
| 2016 | 76° | 48° | 62° | — | — |
| 2015 | 52° | 22° | 37° | — | — |
| 2014 | 49° | 39° | 44° | 0.03" | — |
| 2013 | 64° | 37° | 51° | 0.03" | — |
| 2012 | 61° | 48° | 54° | 0.58" | — |
| 2011 | 62° | 36° | 49° | — | — |
| 2010 | 64° | 41° | 53° | — | — |
| 2009 | 48° | 26° | 37° | — | — |
| 2008 | 59° | 37° | 48° | — | — |
| 2007warmest | 75° | 61° | 68° | 0.36" | — |
| 2006 | 64° | 54° | 59° | — | — |
| 2005 | 68° | 37° | 53° | — | — |
| 2004 | 48° | 32° | 40° | 0.18" | — |
| 2003 | 60° | 36° | 48° | — | — |
| 2002 | 53° | 33° | 43° | 0.08" | — |
| 2001 | 58° | 24° | 41° | 0.28" | — |
| 2000 | 66° | 41° | 54° | 0.03" | — |
| 1999 | 54° | 30° | 42° | — | — |
| 1998 | 73° | 57° | 65° | 0.28" | — |
| 1997 | 58° | 33° | 45° | — | — |
| 1996 | 73° | 43° | 58° | 1.02" | — |
| 1995 | 72° | 51° | 61° | — | — |
| 1994 | 73° | 49° | 61° | 0.03" | — |
| 1993 | 59° | 38° | 48° | — | — |
| 1992 | 48° | 32° | 40° | 0.15" | — |
| 1991 | 66° | 45° | 55° | — | — |
| 1990 | 75° | 41° | 58° | 1.22" | — |
| 1989 | 42° | 34° | 38° | 0.03" | — |
| 1988 | 61° | 47° | 54° | 2.82" | — |
| 1987 | 62° | 48° | 55° | — | — |
| 1986 | 57° | 32° | 45° | — | — |
| 1985 | 66° | 52° | 59° | 0.43" | — |
| 1984 | 64° | 40° | 52° | — | — |
| 1983 | 60° | 37° | 49° | — | — |
| 1982 | 65° | 38° | 51° | 0.03" | — |
| 1981 | 58° | 42° | 50° | 0.69" | — |
| 1980 | 62° | 44° | 53° | 0.13" | — |
| 1979 | 62° | 52° | 57° | — | — |
| 1978 | 58° | 38° | 48° | — | — |
| 1977 | 56° | 36° | 46° | 0.05" | — |
| 1976coldest | 47° | 23° | 35° | — | — |
| 1975 | 45° | 41° | 43° | 0.43" | — |
| 1974 | 57° | 29° | 43° | — | — |
| 1973 | 53° | 45° | 49° | — | — |
| 1972 | 43° | 29° | 36° | — | — |
| 1971 | 75° | 56° | 65° | — | — |
55 years of data from ANN ARBOR 1W