Weather on April 21
Fishers, IN
55 Years of Data
Avg High
65°F
Avg Low
42°F
Warmest
1976
70°F avg
Coldest
2021
36°F avg
About This Date
April 21st in Fishers, IN typically brings mild spring weather, with average highs around 65°F and lows near 42°F. Over 55 years of records, the warmest April 21st was in 1976 (70°F average), while the coldest was 2021 (36°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 56% of April 21st dates historically, with the wettest April 21st recording 2.57" of rain. The last decade has been 7.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 7.6°F cooler on this date compared to 20-30 years ago.
Planning for April 21st in Fishers, IN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 49° | 61° | 0.56" | — |
| 2024 | 54° | 36° | 45° | — | — |
| 2023 | 68° | 45° | 56° | 1.27" | — |
| 2022 | 62° | 32° | 47° | 0.48" | — |
| 2021coldest | 47° | 25° | 36° | 0.05" | — |
| 2020 | 63° | 30° | 46° | 0.03" | — |
| 2019 | 43° | 35° | 39° | 1.22" | — |
| 2018 | 58° | 33° | 45° | — | — |
| 2017 | 76° | 47° | 61° | 0.76" | — |
| 2016 | 79° | 51° | 65° | 0.51" | — |
| 2015 | 56° | 42° | 49° | 0.2" | — |
| 2014 | 75° | 44° | 60° | — | — |
| 2013 | 48° | 30° | 39° | — | — |
| 2012 | 70° | 40° | 55° | 0.38" | — |
| 2011 | 44° | 31° | 37° | — | — |
| 2010 | 65° | 37° | 51° | — | — |
| 2009 | 57° | 41° | 49° | 0.38" | — |
| 2008 | 63° | 50° | 56° | — | — |
| 2007 | 68° | 36° | 52° | — | — |
| 2006 | 69° | 44° | 57° | — | — |
| 2005 | 81° | 47° | 64° | 0.48" | — |
| 2004 | 69° | 64° | 67° | 0.56" | — |
| 2003 | 73° | 49° | 61° | 0.25" | — |
| 2002 | 65° | 41° | 53° | 1.6" | — |
| 2001 | 68° | 49° | 58° | 0.05" | — |
| 2000 | 74° | 42° | 58° | 1.24" | — |
| 1999 | 64° | 47° | 55° | 2.03" | — |
| 1998 | 64° | 42° | 53° | 0.28" | — |
| 1997 | 59° | 48° | 54° | 0.2" | — |
| 1996 | 71° | 38° | 54° | — | — |
| 1995 | 64° | 42° | 53° | 2.06" | — |
| 1994 | 66° | 39° | 53° | — | — |
| 1993 | 66° | 35° | 51° | 0.33" | — |
| 1992 | 72° | 54° | 63° | 0.33" | — |
| 1991 | 48° | 40° | 44° | — | — |
| 1990 | 62° | 39° | 51° | 1.65" | — |
| 1989 | 65° | 33° | 49° | — | — |
| 1988 | 65° | 34° | 49° | — | — |
| 1987 | 81° | 51° | 66° | — | — |
| 1986 | 53° | 42° | 48° | 2.57" | — |
| 1985 | 82° | 56° | 69° | — | — |
| 1984 | 60° | 45° | 52° | 0.25" | — |
| 1983 | 52° | 27° | 39° | — | — |
| 1982 | 62° | 30° | 46° | 0.03" | — |
| 1981 | 53° | 32° | 43° | — | — |
| 1980 | 78° | 49° | 63° | — | — |
| 1979 | 72° | 49° | 60° | — | — |
| 1978 | 47° | 36° | 41° | 0.13" | — |
| 1977 | 76° | 65° | 70° | — | — |
| 1976warmest | 83° | 57° | 70° | 0.23" | — |
| 1975 | 50° | 30° | 40° | — | — |
| 1974 | 77° | 43° | 60° | — | — |
| 1973 | 75° | 60° | 68° | 0.08" | — |
| 1972 | 55° | 43° | 49° | — | — |
| 1971 | 80° | 42° | 61° | 0.08" | — |
55 years of data from OAKLANDON GEIST RSVR