Weather on October 31
Joliet, IL
55 Years of Data
Avg High
59°F
Avg Low
40°F
Warmest
1974
71°F avg
Coldest
1988
34°F avg
About This Date
October 31st in Joliet, IL typically brings cool fall weather, with average highs around 59°F and lows near 40°F. Over 55 years of records, the warmest October 31st was in 1974 (71°F average), while the coldest was 1988 (34°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 31% of October 31st dates historically, with the wettest October 31st recording 4.45" of rain. The last decade has been 5.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.3°F cooler on this date compared to 20-30 years ago.
Planning for October 31st in Joliet, IL? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 40° | 48° | — | — |
| 2024 | 79° | 61° | 70° | 0.13" | — |
| 2023 | 41° | 27° | 34° | — | — |
| 2022 | 63° | 45° | 54° | 0.13" | — |
| 2021 | 59° | 40° | 49° | — | — |
| 2020 | 44° | 29° | 36° | — | — |
| 2019 | 40° | 30° | 35° | 2.67" | — |
| 2018 | 70° | 36° | 53° | 2.41" | — |
| 2017 | 49° | 34° | 41° | — | — |
| 2016 | 61° | 39° | 50° | — | — |
| 2015 | 54° | 34° | 44° | 0.05" | — |
| 2014 | 50° | 33° | 42° | — | — |
| 2013 | 64° | 47° | 55° | 4.45" | — |
| 2012 | 46° | 33° | 40° | — | — |
| 2011 | 55° | 38° | 46° | 0.64" | — |
| 2010 | — | 31° | — | — | — |
| 2009 | 67° | 43° | 55° | 2.18" | — |
| 2008 | 63° | 33° | 48° | — | — |
| 2007 | 65° | 38° | 51° | — | — |
| 2006 | 69° | 39° | 54° | — | — |
| 2005 | 65° | 41° | 53° | — | — |
| 2004 | 64° | 42° | 53° | — | — |
| 2003 | 72° | 50° | 61° | — | — |
| 2002 | 49° | 41° | 45° | — | — |
| 2001 | 53° | 46° | 50° | — | — |
| 2000 | 56° | 44° | 50° | — | — |
| 1999 | 76° | 55° | 65° | — | — |
| 1998 | 65° | 54° | 59° | — | — |
| 1997 | 61° | 41° | 51° | 0.03" | — |
| 1996 | 47° | 26° | 36° | — | — |
| 1995 | 47° | 41° | 44° | 1.47" | — |
| 1994 | 62° | 41° | 52° | 0.56" | — |
| 1993 | 41° | 29° | 35° | — | — |
| 1992 | 51° | 40° | 45° | — | — |
| 1991 | 55° | 44° | 50° | 0.03" | — |
| 1990 | 74° | 48° | 61° | — | — |
| 1989 | 74° | 40° | 57° | 0.41" | — |
| 1988coldest | 47° | 22° | 34° | — | — |
| 1987 | 73° | 37° | 55° | — | — |
| 1986 | 64° | 37° | 51° | — | — |
| 1985 | 59° | 36° | 47° | — | — |
| 1984 | 55° | 40° | 47° | — | — |
| 1983 | 53° | 36° | 44° | 0.08" | — |
| 1982 | 66° | 47° | 56° | 0.58" | — |
| 1981 | 73° | 47° | 60° | — | — |
| 1980 | 52° | 26° | 39° | — | — |
| 1979 | 68° | 45° | 56° | — | — |
| 1978 | 71° | 37° | 54° | — | — |
| 1977 | 53° | 37° | 45° | — | — |
| 1976 | 45° | 39° | 42° | — | — |
| 1975 | 52° | 37° | 44° | — | — |
| 1974warmest | 79° | 64° | 71° | — | — |
| 1973 | 58° | 41° | 49° | 1.98" | — |
| 1972 | 50° | 39° | 45° | 0.2" | — |
| 1971 | 80° | 39° | 60° | — | — |
55 years of data from JOLIET