Weather on October 21
Fishers, IN
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
1979
71°F avg
Coldest
1974
35°F avg
About This Date
October 21st in Fishers, IN typically brings mild fall weather, with average highs around 62°F and lows near 40°F. Over 53 years of records, the warmest October 21st was in 1979 (71°F average), while the coldest was 1974 (35°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 26% of October 21st dates historically, with the wettest October 21st recording 5.66" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Fishers, IN? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 38° | 51° | — | — |
| 2024 | 73° | 40° | 56° | — | — |
| 2023 | 55° | 39° | 47° | — | — |
| 2022 | 57° | 31° | 44° | — | — |
| 2021 | 62° | 50° | 56° | 0.03" | — |
| 2020 | 62° | 52° | 57° | 5.66" | — |
| 2019 | 71° | 48° | 60° | — | — |
| 2018 | 58° | 28° | 43° | — | — |
| 2017 | 75° | 45° | 60° | — | — |
| 2016 | 55° | 47° | 51° | 1.65" | — |
| 2015 | 72° | 47° | 59° | — | — |
| 2014 | 67° | 47° | 57° | 0.25" | — |
| 2013 | 63° | 40° | 51° | — | — |
| 2012 | 58° | 36° | 47° | 0.03" | — |
| 2011 | 56° | 36° | 46° | — | — |
| 2010 | 69° | 38° | 53° | — | — |
| 2009 | 68° | 41° | 55° | — | — |
| 2008 | 57° | 30° | 44° | — | — |
| 2007 | 73° | 49° | 61° | — | — |
| 2006 | 53° | 39° | 46° | — | — |
| 2005 | 53° | 44° | 49° | 1.91" | — |
| 2004 | 55° | 49° | 52° | — | — |
| 2003 | 79° | 45° | 62° | — | — |
| 2002 | 55° | 31° | 43° | — | — |
| 2001 | 72° | 55° | 63° | — | — |
| 1999 | 56° | 31° | 43° | — | — |
| 1997 | 59° | 37° | 48° | — | — |
| 1996 | 63° | 39° | 51° | — | — |
| 1995 | 48° | 38° | 43° | 0.89" | — |
| 1994 | 68° | 40° | 54° | — | — |
| 1993 | 65° | 41° | 53° | 1.6" | — |
| 1992 | 53° | 34° | 43° | — | — |
| 1991 | 56° | 30° | 43° | — | — |
| 1990 | 66° | 44° | 55° | — | — |
| 1989 | 40° | 31° | 35° | 0.36" | — |
| 1988 | 50° | 30° | 40° | 0.43" | — |
| 1987 | 65° | 32° | 48° | 0.03" | — |
| 1986 | 67° | 33° | 50° | — | — |
| 1985 | 59° | 49° | 54° | 0.08" | — |
| 1984 | 64° | 61° | 62° | 1.27" | — |
| 1983 | 52° | 50° | 51° | 2.31" | — |
| 1982 | 45° | 36° | 40° | — | — |
| 1981 | 71° | 39° | 55° | — | — |
| 1980 | 64° | 43° | 53° | — | — |
| 1979warmest | 80° | 63° | 71° | — | — |
| 1978 | 72° | 36° | 54° | — | — |
| 1977 | 62° | 32° | 47° | — | — |
| 1976 | 47° | 33° | 40° | — | — |
| 1975 | 66° | 45° | 55° | — | — |
| 1974coldest | 48° | 21° | 35° | — | — |
| 1973 | 66° | 34° | 50° | — | — |
| 1972 | 53° | 25° | 39° | — | — |
| 1971 | 79° | 60° | 69° | — | — |
53 years of data from OAKLANDON GEIST RSVR