Weather on April 18
Indianapolis, IN
55 Years of Data
Avg High
66°F
Avg Low
42°F
Warmest
2002
72°F avg
Coldest
1997
33°F avg
About This Date
April 18th in Indianapolis, IN typically brings mild spring weather, with average highs around 66°F and lows near 42°F. Over 54 years of records, the warmest April 18th was in 2002 (72°F average), while the coldest was 1997 (33°F) — a 39°F range across recorded history. Precipitation has occurred on 33% of recorded April 18th dates, with snow falling 2% of the time (heaviest snowfall: 1.2"). 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 April 18th in Indianapolis, IN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 57° | 69° | — | — |
| 2024 | 77° | 44° | 61° | 0.53" | — |
| 2023 | 61° | 29° | 45° | — | — |
| 2022 | 44° | 31° | 37° | 0.84" | 1.2" |
| 2021 | 64° | 33° | 49° | — | — |
| 2020 | 56° | 30° | 43° | — | — |
| 2019 | 70° | 46° | 58° | 1.45" | — |
| 2018 | 67° | 31° | 49° | — | — |
| 2017 | 78° | 43° | 60° | — | — |
| 2016 | 84° | 47° | 65° | — | — |
| 2015 | 78° | 47° | 62° | — | — |
| 2014 | 72° | 41° | 56° | — | — |
| 2013 | 74° | 49° | 61° | 0.03" | — |
| 2012 | 62° | 40° | 51° | — | — |
| 2011 | 62° | 42° | 52° | — | — |
| 2010 | 56° | 33° | 44° | — | — |
| 2009 | 70° | 40° | 55° | — | — |
| 2008 | 75° | 47° | 61° | — | — |
| 2007 | 71° | 35° | 53° | — | — |
| 2005 | 77° | 53° | 65° | — | — |
| 2004 | 82° | 60° | 71° | — | — |
| 2003 | 65° | 45° | 55° | 0.61" | — |
| 2002warmest | 82° | 62° | 72° | — | — |
| 2001 | 43° | 28° | 35° | — | — |
| 2000 | 57° | 43° | 50° | 0.03" | — |
| 1999 | 44° | 35° | 40° | 0.15" | — |
| 1998 | 54° | 37° | 45° | — | — |
| 1997coldest | 38° | 29° | 33° | — | — |
| 1996 | 72° | 55° | 63° | 0.61" | — |
| 1995 | 78° | 46° | 62° | 0.05" | — |
| 1994 | 67° | 43° | 55° | — | — |
| 1993 | 66° | 47° | 56° | — | — |
| 1992 | 73° | 57° | 65° | 1.42" | — |
| 1991 | 67° | 46° | 56° | — | — |
| 1990 | 47° | 23° | 35° | — | — |
| 1989 | 73° | 44° | 59° | 0.38" | — |
| 1988 | 71° | 37° | 54° | 0.91" | — |
| 1987 | 60° | 47° | 53° | 0.03" | — |
| 1986 | 58° | 42° | 50° | — | — |
| 1985 | 74° | 44° | 59° | — | — |
| 1984 | 45° | 35° | 40° | 0.56" | — |
| 1983 | 43° | 28° | 35° | — | — |
| 1982 | 59° | 37° | 48° | 0.05" | — |
| 1981 | 79° | 55° | 67° | 0.18" | — |
| 1980 | 61° | 36° | 48° | — | — |
| 1979 | 61° | 40° | 50° | — | — |
| 1978 | 62° | 38° | 50° | 0.89" | — |
| 1977 | 84° | 57° | 71° | — | — |
| 1976 | 84° | 50° | 67° | — | — |
| 1975 | 78° | 49° | 63° | — | — |
| 1974 | 64° | 37° | 51° | — | — |
| 1973 | 61° | 42° | 51° | 0.1" | — |
| 1972 | 71° | 44° | 58° | — | — |
| 1971 | 76° | 49° | 62° | — | — |
54 years of data from INDIANAPOLIS SE SIDE