Weather on August 31
Elgin, IL
55 Years of Data
Avg High
80°F
Avg Low
58°F
Warmest
1991
80°F avg
Coldest
2009
56°F avg
About This Date
August 31st in Elgin, IL typically brings warm summer weather, with average highs around 80°F and lows near 58°F. Over 55 years of records, the warmest August 31st was in 1991 (80°F average), while the coldest was 2009 (56°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 31st dates historically, with the wettest August 31st recording 2.54" of rain. 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 August 31st in Elgin, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 51° | 63° | — | — |
| 2024 | 79° | 57° | 68° | 0.25" | — |
| 2023 | 73° | 46° | 60° | — | — |
| 2022 | 78° | 53° | 66° | — | — |
| 2021 | 84° | 61° | 72° | — | — |
| 2020 | 82° | 56° | 69° | — | — |
| 2019 | 75° | 54° | 64° | — | — |
| 2018 | 76° | 55° | 65° | — | — |
| 2017 | 80° | 58° | 69° | 0.03" | — |
| 2016 | 84° | 66° | 75° | — | — |
| 2015 | 76° | 59° | 67° | — | — |
| 2014 | 81° | 64° | 72° | — | — |
| 2013 | 94° | 64° | 79° | 2.54" | — |
| 2012 | 89° | 67° | 78° | — | — |
| 2011 | 75° | 58° | 66° | 0.38" | — |
| 2010 | 86° | 70° | 78° | 0.15" | — |
| 2009coldest | 68° | 44° | 56° | — | — |
| 2008 | 84° | 52° | 68° | — | — |
| 2007 | 76° | 52° | 64° | — | — |
| 2006 | 75° | 58° | 66° | — | — |
| 2005 | 82° | 60° | 71° | — | — |
| 2004 | 78° | 53° | 66° | — | — |
| 2003 | 77° | 59° | 68° | — | — |
| 2002 | 85° | 61° | 73° | — | — |
| 2001 | 85° | 65° | 75° | 0.25" | — |
| 2000 | 83° | 70° | 76° | — | — |
| 1999 | 72° | 52° | 62° | — | — |
| 1998 | 83° | 55° | 69° | — | — |
| 1997 | 73° | 62° | 68° | 0.08" | — |
| 1996 | 79° | 56° | 67° | — | — |
| 1995 | 89° | 72° | 80° | — | — |
| 1994 | 65° | 59° | 62° | 0.56" | — |
| 1993 | 88° | 63° | 75° | 0.76" | — |
| 1992 | 73° | 51° | 62° | — | — |
| 1991warmest | 90° | 70° | 80° | — | — |
| 1990 | 80° | 55° | 68° | — | — |
| 1989 | 82° | 58° | 70° | — | — |
| 1988 | 76° | 55° | 65° | — | — |
| 1987 | 81° | 54° | 67° | — | — |
| 1986 | 75° | 51° | 63° | — | — |
| 1985 | — | 51° | — | — | — |
| 1984 | 83° | 48° | 65° | — | — |
| 1983 | 83° | 64° | 73° | — | — |
| 1982 | 73° | 50° | 62° | 0.3" | — |
| 1981 | — | 62° | — | 0.41" | — |
| 1980 | 77° | 65° | 71° | 0.84" | — |
| 1979 | 85° | 61° | 73° | — | — |
| 1978 | 80° | 54° | 67° | — | — |
| 1977 | 81° | 51° | 66° | — | — |
| 1976 | 78° | 49° | 63° | — | — |
| 1975 | 72° | 60° | 66° | 0.1" | — |
| 1974 | 72° | 52° | 62° | — | — |
| 1973 | 82° | 70° | 76° | — | — |
| 1972 | 84° | 64° | 74° | — | — |
| 1971 | 80° | 58° | 69° | — | — |
55 years of data from ELGIN WATER