Weather on October 15
Indianapolis, IN
55 Years of Data
Avg High
65°F
Avg Low
43°F
Warmest
1989
70°F avg
Coldest
1986
40°F avg
About This Date
October 15th in Indianapolis, IN typically brings mild fall weather, with average highs around 65°F and lows near 43°F. Over 54 years of records, the warmest October 15th was in 1989 (70°F average), while the coldest was 1986 (40°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 35% of October 15th dates historically, with the wettest October 15th recording 3.73" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Indianapolis, IN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 54° | 61° | — | — |
| 2024 | 51° | 39° | 45° | 0.46" | — |
| 2023 | 55° | 44° | 50° | 0.05" | — |
| 2022 | 60° | 38° | 49° | — | — |
| 2021 | 71° | 54° | 62° | 3.2" | — |
| 2020 | 68° | 41° | 55° | 0.46" | — |
| 2019 | 71° | 39° | 55° | 0.08" | — |
| 2018 | 53° | 37° | 45° | 0.05" | — |
| 2017 | 73° | 50° | 62° | 0.66" | — |
| 2016 | 73° | 51° | 62° | — | — |
| 2015 | 71° | 38° | 54° | — | — |
| 2014 | 56° | 53° | 54° | 0.51" | — |
| 2012 | 73° | 47° | 60° | 0.76" | — |
| 2011 | 62° | 45° | 53° | — | — |
| 2010 | 64° | 34° | 49° | — | — |
| 2009 | 45° | 40° | 42° | 0.43" | — |
| 2008 | 75° | 64° | 70° | — | — |
| 2007 | 72° | 53° | 62° | — | — |
| 2006 | 53° | 29° | 41° | — | — |
| 2005 | 67° | 36° | 51° | — | — |
| 2004 | 57° | 45° | 51° | 0.43" | — |
| 2003 | 58° | 40° | 49° | 1.27" | — |
| 2002 | 60° | 33° | 47° | — | — |
| 2001 | 61° | 42° | 51° | 0.84" | — |
| 2000 | 76° | 56° | 66° | — | — |
| 1999 | 63° | 39° | 51° | — | — |
| 1998 | 60° | 33° | 47° | — | — |
| 1997 | 59° | 29° | 44° | — | — |
| 1996 | 76° | 53° | 64° | — | — |
| 1995 | 56° | 33° | 44° | — | — |
| 1994 | 72° | 51° | 61° | — | — |
| 1993 | 63° | 33° | 48° | — | — |
| 1992 | 64° | 53° | 59° | 3.73" | — |
| 1991 | 53° | 31° | 42° | — | — |
| 1990 | 70° | 42° | 56° | — | — |
| 1989warmest | 83° | 58° | 70° | — | — |
| 1988 | 74° | 35° | 54° | — | — |
| 1987 | 67° | 39° | 53° | — | — |
| 1986coldest | 49° | 32° | 40° | — | — |
| 1985 | 73° | 61° | 67° | 0.13" | — |
| 1984 | 77° | 61° | 69° | — | — |
| 1983 | 61° | 41° | 51° | — | — |
| 1982 | 57° | 46° | 52° | — | — |
| 1981 | 63° | 49° | 56° | 0.03" | — |
| 1980 | 75° | 46° | 61° | — | — |
| 1979 | 58° | 29° | 43° | 0.03" | — |
| 1978 | 52° | 31° | 41° | 0.3" | — |
| 1977 | 63° | 31° | 47° | — | — |
| 1976 | 68° | 38° | 53° | — | — |
| 1975 | 83° | 52° | 67° | — | — |
| 1974 | 67° | 47° | 57° | 1.73" | — |
| 1973 | 74° | 48° | 61° | — | — |
| 1972 | 67° | 39° | 53° | — | — |
| 1971 | 72° | 41° | 56° | — | — |
54 years of data from INDIANAPOLIS SE SIDE