Weather on October 18
Fishers, IN
55 Years of Data
Avg High
63°F
Avg Low
40°F
Warmest
2016
73°F avg
Coldest
2009
38°F avg
About This Date
October 18th in Fishers, IN typically brings mild fall weather, with average highs around 63°F and lows near 40°F. Over 54 years of records, the warmest October 18th was in 2016 (73°F average), while the coldest was 2009 (38°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 37% of October 18th dates historically, with the wettest October 18th recording 3.23" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Fishers, IN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 46° | 59° | — | — |
| 2024 | 61° | 32° | 46° | — | — |
| 2023 | 60° | 43° | 51° | — | — |
| 2022 | 43° | 34° | 38° | 0.03" | — |
| 2021 | 69° | 40° | 54° | — | — |
| 2020 | 59° | 32° | 46° | — | — |
| 2019 | 56° | 32° | 44° | — | — |
| 2018 | 53° | 31° | 42° | — | — |
| 2017 | 66° | 39° | 53° | — | — |
| 2016warmest | 81° | 65° | 73° | — | — |
| 2015 | 51° | 29° | 40° | — | — |
| 2014 | 66° | 47° | 56° | 0.05" | — |
| 2013 | 52° | 41° | 46° | 0.23" | — |
| 2012 | 71° | 49° | 60° | 1.98" | — |
| 2011 | 62° | 39° | 51° | 0.56" | — |
| 2010 | 72° | 42° | 57° | — | — |
| 2009coldest | 48° | 29° | 38° | — | — |
| 2008 | 60° | 45° | 52° | — | — |
| 2007 | 76° | 48° | 62° | 2.11" | — |
| 2006 | 68° | 55° | 62° | 0.2" | — |
| 2005 | 71° | 39° | 55° | — | — |
| 2004 | 59° | 36° | 47° | 0.2" | — |
| 2003 | 57° | 34° | 45° | — | — |
| 2002 | 51° | 36° | 43° | — | — |
| 2001 | 52° | 33° | 42° | — | — |
| 2000 | 61° | 38° | 49° | — | — |
| 1999 | 57° | 32° | 45° | — | — |
| 1997 | 56° | 34° | 45° | — | — |
| 1996 | 77° | 43° | 60° | 2.21" | — |
| 1995 | 69° | 42° | 56° | — | — |
| 1994 | 78° | 48° | 63° | — | — |
| 1993 | 61° | 40° | 50° | 0.05" | — |
| 1992 | 52° | 32° | 42° | 0.1" | — |
| 1991 | 69° | 27° | 48° | — | — |
| 1990 | 79° | 41° | 60° | 1.19" | — |
| 1989 | 55° | 37° | 46° | 0.41" | — |
| 1988 | 66° | 51° | 59° | 2.21" | — |
| 1987 | 55° | 33° | 44° | — | — |
| 1986 | 58° | 38° | 48° | — | — |
| 1985 | 73° | 47° | 60° | — | — |
| 1984 | 69° | 44° | 57° | — | — |
| 1983 | 64° | 48° | 56° | 1.65" | — |
| 1982 | 57° | 41° | 49° | — | — |
| 1981 | 68° | 43° | 55° | 1.91" | — |
| 1980 | 64° | 41° | 53° | 2.46" | — |
| 1979 | 70° | 52° | 61° | 0.08" | — |
| 1978 | 58° | 38° | 48° | — | — |
| 1977 | 60° | 29° | 44° | — | — |
| 1976 | 53° | 24° | 39° | — | — |
| 1975 | 52° | 40° | 46° | 3.23" | — |
| 1974 | 73° | 37° | 55° | — | — |
| 1973 | 62° | 36° | 49° | — | — |
| 1972 | 54° | 37° | 45° | — | — |
| 1971 | 74° | 52° | 63° | 0.05" | — |
54 years of data from OAKLANDON GEIST RSVR