Dietmar Rabich / CC BY-SA 4.0
Indianapolis, IN Weather on October 12
October 12th in Indianapolis, IN typically brings mild fall weather, with average highs around 67°F and lows near 45°F. Over 54 years of records, the warmest October 12th was in 1973 (71°F average), while the coldest was 2009 (41°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 20% of October 12th dates historically, with the wettest October 12th recording 1.4" of rain. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on October 12
Planning for October 12th in Indianapolis, IN? Great weather for outdoor activities.
October 12 Weather Records for Indianapolis
- •The all-time record high for October 12th in Indianapolis, IN is 84°F, set in 2010.
- •The coldest October 12th on record dropped to 28°F in 1988.
- •A freeze (32°F or below) has occurred on October 12th in 6 of the last 54 years.
Frequently Asked Questions
What was the warmest October 12 ever in Indianapolis?
The warmest October 12 in Indianapolis, IN reached 84°F in 2010. That is 17°F above the long-term average high of 67°F.
What was the coldest October 12 ever in Indianapolis?
The coldest October 12 in Indianapolis, IN dropped to 28°F in 1988. That is 17°F below the long-term average low of 45°F.
What is the average temperature on October 12 in Indianapolis?
On October 12, Indianapolis averages a high of 67°F and a low of 45°F based on 54 years of NOAA weather observations from INDIANAPOLIS SE SIDE.
How many years of weather data are available for October 12 in Indianapolis?
We have 54 years of weather records for October 12 in Indianapolis, IN, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
October 12 Weather History in Indianapolis
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 70°F | 44°F | 0" | -- |
| 2024 | 78°F | 53°F | 0" | -- |
| 2023 | 74°F | 50°F | 0" | -- |
| 2022 | 70°F | 49°F | 0.05" | -- |
| 2021 | 68°F | 56°F | 0" | -- |
| 2020 | 75°F | 49°F | 0.11" | -- |
| 2019 | 53°F | 33°F | 0" | -- |
| 2018 | 50°F | 35°F | 0.1" | -- |
| 2017 | 63°F | 55°F | 0.01" | -- |
| 2016 | 77°F | 54°F | 0.07" | -- |
| 2015 | 76°F | 55°F | 0" | -- |
| 2014 | 64°F | 41°F | 0.13" | -- |
| 2012 | 59°F | 31°F | 0" | -- |
| 2011 | 78°F | 52°F | 0" | -- |
| 2010 | 84°F | 48°F | 0" | -- |
| 2009 | 52°F | 30°F | 0" | -- |
| 2008 | 84°F | 55°F | 0" | -- |
| 2007 | 59°F | 43°F | 0" | -- |
| 2006 | 64°F | 30°F | 0.32" | -- |
| 2005 | 61°F | 54°F | 0" | -- |
| 2004 | 66°F | 44°F | 0" | -- |
| 2003 | 78°F | 56°F | 0" | -- |
| 2002 | 75°F | 54°F | 0" | -- |
| 2001 | 63°F | 60°F | 1.4" | -- |
| 2000 | 66°F | 35°F | 0" | -- |
| 1999 | 69°F | 46°F | 0" | -- |
| 1998 | 72°F | 44°F | 0" | -- |
| 1997 | 77°F | 50°F | 0" | -- |
| 1996 | 58°F | 42°F | 0" | -- |
| 1995 | 80°F | 49°F | -- | -- |
| 1994 | 67°F | 45°F | -- | -- |
| 1993 | 55°F | 34°F | 0" | -- |
| 1992 | 68°F | 36°F | -- | -- |
| 1991 | 59°F | 37°F | -- | -- |
| 1990 | 60°F | 37°F | 0" | -- |
| 1989 | 73°F | 40°F | 0" | -- |
| 1988 | 58°F | 28°F | 0" | -- |
| 1987 | 52°F | 32°F | 0" | -- |
| 1986 | 70°F | 58°F | 0" | -- |
| 1985 | 65°F | 54°F | 0" | -- |
| 1984 | 73°F | 56°F | 0" | -- |
| 1983 | 73°F | 55°F | 0" | -- |
| 1982 | 60°F | 46°F | 0" | -- |
| 1981 | 67°F | 45°F | 0" | -- |
| 1980 | 57°F | 36°F | 0" | -- |
| 1979 | 62°F | 41°F | 0.09" | -- |
| 1978 | 62°F | 53°F | 0.46" | -- |
| 1977 | 53°F | 31°F | 0" | -- |
| 1976 | 68°F | 42°F | 0" | -- |
| 1975 | 69°F | 42°F | 0" | -- |
| 1974 | 74°F | 48°F | 0" | -- |
| 1973 | 83°F | 60°F | 0" | -- |
| 1972 | 65°F | 57°F | 0.42" | -- |
| 1971 | 68°F | 37°F | 0" | -- |
Based on 54 years of data from NOAA station: INDIANAPOLIS SE SIDE
Monthly Climate Averages
Historical temperature and precipitation averages for Indianapolis, IN, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.