Weather on August 20
Fishers, IN
55 Years of Data
Avg High
83°F
Avg Low
62°F
Warmest
1983
86°F avg
Coldest
2000
58°F avg
About This Date
August 20th in Fishers, IN typically brings warm summer weather, with average highs around 83°F and lows near 62°F. Over 53 years of records, the warmest August 20th was in 1983 (86°F average), while the coldest was 2000 (58°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 34% of August 20th dates historically, with the wettest August 20th recording 4.22" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Fishers, IN? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 69° | 78° | — | — |
| 2024 | 75° | 55° | 65° | — | — |
| 2023 | 82° | 56° | 69° | — | — |
| 2022 | 82° | 63° | 72° | — | — |
| 2021 | 87° | 67° | 77° | 0.05" | — |
| 2020 | 79° | 56° | 67° | — | — |
| 2019 | 88° | 70° | 79° | — | — |
| 2018 | 83° | 65° | 74° | — | — |
| 2017 | 85° | 63° | 74° | — | — |
| 2016 | 83° | 67° | 75° | 2.79" | — |
| 2015 | 81° | 57° | 69° | 0.28" | — |
| 2014 | 84° | 64° | 74° | 1.55" | — |
| 2013 | 85° | 62° | 73° | — | — |
| 2012 | 77° | 52° | 64° | — | — |
| 2011 | 85° | 64° | 74° | — | — |
| 2010 | 89° | 66° | 78° | — | — |
| 2009 | 84° | 66° | 75° | 4.22" | — |
| 2008 | 85° | 60° | 72° | — | — |
| 2007 | 89° | 67° | 78° | 1.19" | — |
| 2006 | 86° | 66° | 76° | — | — |
| 2005 | 89° | 70° | 79° | — | — |
| 2003 | 83° | 61° | 72° | — | — |
| 2002 | 80° | 62° | 71° | 0.81" | — |
| 2001 | 80° | 55° | 68° | 0.1" | — |
| 2000coldest | 73° | 42° | 58° | — | — |
| 1999 | 79° | 52° | 65° | 1.73" | — |
| 1997 | 69° | 61° | 65° | 1.55" | — |
| 1996 | 88° | 70° | 79° | — | — |
| 1995 | 89° | 72° | 80° | — | — |
| 1994 | 80° | 57° | 69° | — | — |
| 1993 | 87° | 67° | 77° | 3.68" | — |
| 1992 | 76° | 51° | 63° | — | — |
| 1991 | 74° | 58° | 66° | 1.24" | — |
| 1990 | 91° | 69° | 80° | — | — |
| 1989 | 77° | 64° | 71° | 0.76" | — |
| 1988 | 82° | 65° | 73° | — | — |
| 1987 | 83° | 59° | 71° | — | — |
| 1986 | 83° | 57° | 70° | — | — |
| 1985 | 72° | 54° | 63° | 0.3" | — |
| 1984 | 80° | 56° | 68° | — | — |
| 1983warmest | 98° | 73° | 86° | — | — |
| 1982 | 87° | 59° | 73° | — | — |
| 1981 | 81° | 55° | 68° | — | — |
| 1980 | 86° | 69° | 78° | 2.11" | — |
| 1979 | 84° | 66° | 75° | 0.43" | — |
| 1978 | 83° | 54° | 68° | 0.89" | — |
| 1977 | 76° | 53° | 64° | — | — |
| 1976 | 84° | 58° | 71° | — | — |
| 1975 | 89° | 65° | 77° | — | — |
| 1974 | 86° | 61° | 73° | — | — |
| 1973 | 86° | 71° | 79° | 0.28" | — |
| 1972 | 89° | 65° | 77° | — | — |
| 1971 | 87° | 62° | 75° | — | — |
53 years of data from OAKLANDON GEIST RSVR