Weather on May 18
Fishers, IN
55 Years of Data
Avg High
73°F
Avg Low
53°F
Warmest
1977
78°F avg
Coldest
2014
45°F avg
About This Date
May 18th in Fishers, IN typically brings pleasant spring weather, with average highs around 73°F and lows near 53°F. Over 54 years of records, the warmest May 18th was in 1977 (78°F average), while the coldest was 2014 (45°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 41% of May 18th dates historically, with the wettest May 18th recording 3.43" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for May 18th in Fishers, IN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 53° | 61° | — | — |
| 2024 | 75° | 59° | 67° | — | — |
| 2023 | 73° | 41° | 57° | — | — |
| 2022 | 76° | 56° | 66° | 0.08" | — |
| 2021 | 70° | 52° | 61° | 0.76" | — |
| 2020 | 65° | 55° | 60° | 3.43" | — |
| 2019 | 79° | 59° | 69° | — | — |
| 2018 | 82° | 58° | 70° | — | — |
| 2017 | 83° | 68° | 75° | — | — |
| 2016 | 57° | 49° | 53° | 0.56" | — |
| 2015 | 78° | 65° | 71° | — | — |
| 2014coldest | 56° | 35° | 45° | — | — |
| 2013 | 70° | — | — | 1.02" | — |
| 2012 | 72° | 45° | 58° | — | — |
| 2011 | 53° | 44° | 49° | 0.28" | — |
| 2010 | 64° | 51° | 58° | 1.7" | — |
| 2009 | 60° | — | — | — | — |
| 2008 | 76° | 46° | 61° | 0.08" | — |
| 2007 | 59° | 36° | 47° | — | — |
| 2006 | 75° | 45° | 60° | — | — |
| 2005 | 68° | 45° | 56° | — | — |
| 2004 | 79° | 65° | 72° | — | — |
| 2003 | 69° | 61° | 65° | 0.1" | — |
| 2002 | 54° | 39° | 46° | 0.18" | — |
| 2000 | 74° | 59° | 66° | 0.1" | — |
| 1999 | 86° | 59° | 73° | 2.49" | — |
| 1998 | 84° | 65° | 74° | — | — |
| 1997 | 79° | 61° | 70° | — | — |
| 1996 | 84° | 65° | 74° | — | — |
| 1995 | 72° | 53° | 62° | 2.51" | — |
| 1994 | 69° | 39° | 54° | — | — |
| 1993 | 72° | 43° | 57° | 0.15" | — |
| 1992 | 80° | 63° | 71° | 0.1" | — |
| 1991 | 83° | 59° | 71° | 1.63" | — |
| 1990 | 67° | 52° | 59° | — | — |
| 1989 | 76° | 48° | 62° | — | — |
| 1988 | 74° | 49° | 61° | — | — |
| 1987 | 86° | 49° | 67° | — | — |
| 1986 | 82° | 62° | 72° | 0.3" | — |
| 1985 | 54° | 39° | 46° | 1.02" | — |
| 1984 | 75° | 56° | 65° | — | — |
| 1983 | 70° | 55° | 62° | — | — |
| 1982 | 87° | 58° | 72° | — | — |
| 1981 | 72° | 44° | 58° | 0.79" | — |
| 1980 | 64° | 60° | 62° | 2.59" | — |
| 1979 | 75° | 47° | 61° | — | — |
| 1978 | 71° | 51° | 61° | — | — |
| 1977warmest | 87° | 68° | 78° | — | — |
| 1976 | 60° | 43° | 51° | 0.13" | — |
| 1975 | 79° | 51° | 65° | — | — |
| 1974 | 81° | 62° | 71° | 1.6" | — |
| 1973 | 58° | 40° | 49° | — | — |
| 1972 | 76° | 54° | 65° | — | — |
| 1971 | 85° | 63° | 74° | — | — |
54 years of data from OAKLANDON GEIST RSVR