Weather on April 17
Joliet, IL
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
2002
76°F avg
Coldest
2018
30°F avg
About This Date
April 17th in Joliet, IL typically brings mild spring weather, with average highs around 62°F and lows near 40°F. Over 54 years of records, the warmest April 17th was in 2002 (76°F average), while the coldest was 2018 (30°F) — a 46°F range across recorded history. Precipitation has occurred on 39% of recorded April 17th dates, with snow falling 2% of the time. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for April 17th in Joliet, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 41° | 53° | — | — |
| 2024 | 79° | 55° | 67° | — | — |
| 2023 | 47° | 31° | 39° | 0.53" | 0.1" |
| 2022 | 47° | 29° | 38° | — | — |
| 2021 | 60° | 36° | 48° | — | — |
| 2020 | 45° | 26° | 35° | 0.2" | — |
| 2019 | 73° | 48° | 61° | — | — |
| 2018coldest | 34° | 27° | 30° | 0.05" | — |
| 2017 | 71° | 46° | 59° | — | — |
| 2016 | 79° | 51° | 65° | — | — |
| 2015 | 67° | 47° | 57° | 0.03" | — |
| 2014 | 52° | 30° | 41° | — | — |
| 2013 | 56° | 42° | 49° | 0.13" | — |
| 2012 | 57° | 42° | 50° | — | — |
| 2011 | — | 34° | — | 0.25" | — |
| 2010 | — | 39° | — | — | — |
| 2009 | 67° | 39° | 53° | — | — |
| 2008 | 71° | 44° | 58° | — | — |
| 2007 | 62° | 34° | 48° | — | — |
| 2006 | 68° | 47° | 57° | 4.93" | — |
| 2005 | 74° | 45° | 59° | — | — |
| 2004 | 84° | 59° | 72° | — | — |
| 2003 | 73° | 44° | 59° | 0.03" | — |
| 2002warmest | 87° | 65° | 76° | 0.03" | — |
| 2001 | 40° | 29° | 34° | 0.03" | — |
| 2000 | 66° | 41° | 54° | 3.12" | — |
| 1999 | 47° | 36° | 41° | 1.02" | — |
| 1998 | 49° | 33° | 41° | — | — |
| 1997 | 51° | 31° | 41° | 0.03" | — |
| 1996 | 51° | 34° | 42° | — | — |
| 1995 | 65° | 43° | 54° | — | — |
| 1994 | 63° | 39° | 51° | — | — |
| 1993 | 40° | 31° | 35° | — | — |
| 1992 | 70° | 39° | 54° | 0.08" | — |
| 1991 | 62° | 45° | 53° | 1.09" | — |
| 1990 | 61° | 33° | 47° | 0.1" | — |
| 1989 | 72° | 38° | 55° | 0.25" | — |
| 1988 | 63° | 33° | 48° | — | — |
| 1987 | 65° | 44° | 54° | — | — |
| 1986 | 53° | 37° | 45° | — | — |
| 1985 | 62° | 39° | 51° | — | — |
| 1984 | 46° | 37° | 42° | 0.08" | — |
| 1983 | 47° | 28° | 37° | 0.25" | — |
| 1982 | 67° | 48° | 57° | 2.03" | — |
| 1981 | 63° | 47° | 55° | 0.08" | — |
| 1980 | 53° | 32° | 43° | — | — |
| 1979 | 60° | 35° | 48° | — | — |
| 1978 | 53° | 37° | 45° | — | — |
| 1977 | 86° | 57° | 72° | — | — |
| 1976 | 84° | 65° | 74° | — | — |
| 1974 | 66° | 39° | 53° | — | — |
| 1973 | 68° | 34° | 51° | — | — |
| 1972 | 74° | 34° | 54° | — | — |
| 1971 | 74° | 52° | 63° | — | — |
54 years of data from JOLIET