Weather on April 27
Joliet, IL
55 Years of Data
Avg High
66°F
Avg Low
42°F
Warmest
1986
74°F avg
Coldest
1976
40°F avg
About This Date
April 27th in Joliet, IL typically brings mild spring weather, with average highs around 66°F and lows near 42°F. Over 54 years of records, the warmest April 27th was in 1986 (74°F average), while the coldest was 1976 (40°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 26% of April 27th dates historically, with the wettest April 27th recording 2.49" 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 April 27th in Joliet, IL? Great weather for outdoor activities.
Cooling Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 34° | 52° | — | — |
| 2024 | 63° | 34° | 48° | 1.4" | — |
| 2023 | 53° | 34° | 43° | — | — |
| 2022 | 51° | 31° | 41° | — | — |
| 2021 | 77° | 37° | 57° | — | — |
| 2020 | 62° | 38° | 50° | — | — |
| 2019 | 64° | 44° | 54° | — | — |
| 2018 | 66° | 34° | 50° | — | — |
| 2017 | 74° | 51° | 62° | 1.4" | — |
| 2016 | 54° | 43° | 48° | — | — |
| 2015 | 63° | 32° | 47° | — | — |
| 2014 | 54° | 41° | 47° | 0.03" | — |
| 2013 | 65° | 38° | 51° | — | — |
| 2012 | 58° | 36° | 47° | — | — |
| 2011 | 67° | 51° | 59° | 0.1" | — |
| 2010 | 65° | 44° | 54° | — | — |
| 2009 | 81° | 44° | 62° | 0.05" | — |
| 2008 | 59° | 39° | 49° | — | — |
| 2007 | 66° | 46° | 56° | 1.32" | — |
| 2006 | 64° | 36° | 50° | — | — |
| 2005 | 57° | 41° | 49° | — | — |
| 2004 | 60° | 37° | 49° | — | — |
| 2003 | 63° | 39° | 51° | — | — |
| 2002 | 57° | 35° | 46° | — | — |
| 2001 | 77° | 46° | 62° | — | — |
| 2000 | 51° | 40° | 45° | — | — |
| 1999 | 69° | 49° | 59° | — | — |
| 1998 | 68° | 42° | 55° | 0.97" | — |
| 1997 | 68° | 39° | 54° | — | — |
| 1996 | 49° | 34° | 41° | — | — |
| 1995 | 56° | 46° | 51° | 2.49" | — |
| 1994 | 86° | 49° | 67° | 0.05" | — |
| 1993 | 63° | 37° | 50° | — | — |
| 1992 | 50° | 37° | 44° | 0.03" | — |
| 1991 | 80° | 49° | 64° | — | — |
| 1990 | 85° | 61° | 73° | — | — |
| 1989 | 82° | 53° | 68° | 0.15" | — |
| 1988 | 58° | 39° | 48° | 0.51" | — |
| 1987 | 74° | 44° | 59° | — | — |
| 1986warmest | 91° | 58° | 74° | — | — |
| 1985 | 80° | 44° | 62° | 0.2" | — |
| 1984 | 81° | 55° | 68° | — | — |
| 1983 | 79° | 50° | 64° | — | — |
| 1982 | 59° | 36° | 47° | — | — |
| 1981 | 77° | 45° | 61° | — | — |
| 1980 | 52° | 41° | 46° | — | — |
| 1979 | 48° | 33° | 41° | — | — |
| 1978 | 64° | 37° | 51° | — | — |
| 1977 | 67° | 41° | 54° | — | — |
| 1976coldest | 52° | 29° | 40° | — | — |
| 1974 | 85° | 56° | 70° | — | — |
| 1973 | 58° | 43° | 50° | — | — |
| 1972 | 69° | 33° | 51° | — | — |
| 1971 | 61° | 36° | 48° | 0.51" | — |
54 years of data from JOLIET