Weather on August 18
Fishers, IN
55 Years of Data
Avg High
82°F
Avg Low
62°F
Warmest
1988
84°F avg
Coldest
2012
63°F avg
About This Date
August 18th in Fishers, IN typically brings warm summer weather, with average highs around 82°F and lows near 62°F. Over 52 years of records, the warmest August 18th was in 1988 (84°F average), while the coldest was 2012 (63°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 42% of August 18th dates historically, with the wettest August 18th recording 3.61" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 18th 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° | 0.28" | — |
| 2024 | 83° | 66° | 74° | — | — |
| 2023 | 75° | 53° | 64° | 1.24" | — |
| 2022 | 78° | 57° | 68° | — | — |
| 2021 | 86° | 68° | 77° | 0.25" | — |
| 2020 | 83° | 61° | 72° | 1.24" | — |
| 2019 | 80° | 66° | 73° | 0.28" | — |
| 2018 | 81° | 68° | 74° | 0.03" | — |
| 2017 | 72° | 67° | 69° | 0.1" | — |
| 2016 | 82° | 68° | 75° | — | — |
| 2015 | 84° | 65° | 74° | 1.22" | — |
| 2014 | 78° | 59° | 69° | — | — |
| 2013 | 82° | 57° | 70° | — | — |
| 2012coldest | 76° | 51° | 63° | — | — |
| 2011 | 88° | 62° | 75° | — | — |
| 2010 | 85° | 60° | 72° | 0.03" | — |
| 2009 | 88° | 70° | 79° | 0.2" | — |
| 2008 | 82° | 59° | 71° | — | — |
| 2007 | 87° | 53° | 70° | — | — |
| 2006 | 85° | 59° | 72° | — | — |
| 2005 | 82° | 65° | 73° | 0.05" | — |
| 2003 | 81° | 58° | 69° | — | — |
| 2002 | 87° | 68° | 78° | 0.03" | — |
| 2001 | 85° | 61° | 73° | — | — |
| 2000 | 80° | 65° | 72° | 3.61" | — |
| 1997 | 77° | 66° | 72° | 0.1" | — |
| 1996 | 78° | 65° | 71° | — | — |
| 1995 | 89° | 72° | 80° | 0.79" | — |
| 1994 | 81° | 55° | 68° | — | — |
| 1993 | 85° | 66° | 75° | 0.25" | — |
| 1992 | 76° | 53° | 64° | — | — |
| 1991 | 82° | 62° | 72° | 2.36" | — |
| 1990 | 85° | 65° | 75° | — | — |
| 1989 | 70° | 59° | 64° | 0.66" | — |
| 1988warmest | 97° | 72° | 84° | — | — |
| 1987 | 87° | 59° | 73° | — | — |
| 1986 | 85° | 65° | 75° | — | — |
| 1985 | 84° | 64° | 74° | — | — |
| 1984 | 86° | 65° | 75° | 0.48" | — |
| 1983 | 79° | 76° | 77° | 1.14" | — |
| 1982 | 88° | 54° | 71° | — | — |
| 1981 | 75° | 53° | 64° | — | — |
| 1980 | 81° | 69° | 75° | 0.25" | — |
| 1979 | 77° | 53° | 65° | — | — |
| 1978 | 84° | 61° | 72° | 1.85" | — |
| 1977 | 78° | 53° | 66° | — | — |
| 1976 | 79° | 51° | 65° | — | — |
| 1975 | 85° | 61° | 73° | — | — |
| 1974 | 85° | 65° | 75° | — | — |
| 1973 | 85° | 64° | 74° | — | — |
| 1972 | 91° | 69° | 80° | — | — |
| 1971 | 83° | 54° | 68° | — | — |
52 years of data from OAKLANDON GEIST RSVR