Weather on August 15
Fishers, IN
55 Years of Data
Avg High
83°F
Avg Low
62°F
Warmest
1995
82°F avg
Coldest
2013
59°F avg
About This Date
August 15th in Fishers, IN typically brings warm summer weather, with average highs around 83°F and lows near 62°F. Over 52 years of records, the warmest August 15th was in 1995 (82°F average), while the coldest was 2013 (59°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 35% of August 15th dates historically, with the wettest August 15th recording 6.22" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for August 15th in Fishers, IN? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 65° | 75° | — | — |
| 2024 | 84° | 63° | 73° | — | — |
| 2023 | 85° | 62° | 73° | 1.24" | — |
| 2022 | 74° | 65° | 69° | 0.33" | — |
| 2021 | 79° | 60° | 69° | — | — |
| 2020 | 84° | 65° | 74° | — | — |
| 2019 | 87° | 62° | 75° | — | — |
| 2018 | 86° | 66° | 76° | — | — |
| 2017 | 83° | 64° | 73° | — | — |
| 2016 | 72° | 68° | 70° | 1.07" | — |
| 2015 | 84° | 64° | 74° | 0.03" | — |
| 2014 | 77° | 46° | 62° | — | — |
| 2013coldest | 69° | 49° | 59° | — | — |
| 2012 | 76° | 58° | 67° | — | — |
| 2011 | 76° | 60° | 68° | 0.03" | — |
| 2010 | 91° | 71° | 81° | — | — |
| 2009 | 85° | 60° | 72° | — | — |
| 2008 | 76° | 58° | 67° | 0.41" | — |
| 2007 | 95° | 57° | 76° | — | — |
| 2006 | 84° | 63° | 73° | 0.43" | — |
| 2003 | 89° | 64° | 77° | — | — |
| 2002 | 79° | 70° | 74° | 0.05" | — |
| 2001 | 81° | 56° | 68° | — | — |
| 2000 | 86° | 66° | 76° | — | — |
| 1999 | 89° | — | — | — | — |
| 1997 | 89° | 61° | 75° | 0.15" | — |
| 1996 | 86° | 63° | 74° | — | — |
| 1995warmest | 91° | 74° | 82° | — | — |
| 1994 | 74° | 50° | 62° | — | — |
| 1993 | 85° | 63° | 74° | — | — |
| 1992 | 69° | 53° | 61° | — | — |
| 1991 | 85° | 58° | 71° | 0.36" | — |
| 1990 | 75° | 52° | 63° | — | — |
| 1989 | 83° | 63° | 73° | — | — |
| 1988 | 89° | 72° | 80° | — | — |
| 1987 | 88° | 69° | 78° | — | — |
| 1986 | 87° | 63° | 75° | — | — |
| 1985 | 83° | 67° | 75° | 3.63" | — |
| 1984 | 85° | 62° | 73° | — | — |
| 1983 | 83° | 64° | 73° | — | — |
| 1982 | 83° | 64° | 73° | — | — |
| 1981 | 80° | 66° | 73° | 0.79" | — |
| 1980 | 83° | 68° | 75° | 1.96" | — |
| 1979 | 75° | 47° | 61° | — | — |
| 1978 | 85° | 68° | 76° | — | — |
| 1977 | 84° | 64° | 74° | — | — |
| 1976 | 84° | 61° | 72° | 0.33" | — |
| 1975 | 87° | 69° | 78° | 0.46" | — |
| 1974 | 87° | 66° | 77° | — | — |
| 1973 | 71° | 64° | 68° | 6.22" | — |
| 1972 | 90° | 69° | 79° | 0.13" | — |
| 1971 | 87° | 61° | 74° | 0.08" | — |
52 years of data from OAKLANDON GEIST RSVR