Weather on August 15
Elgin, IL
55 Years of Data
Avg High
81°F
Avg Low
60°F
Warmest
1988
83°F avg
Coldest
1979
58°F avg
About This Date
August 15th in Elgin, IL typically brings warm summer weather, with average highs around 81°F and lows near 60°F. Over 55 years of records, the warmest August 15th was in 1988 (83°F average), while the coldest was 1979 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 15th dates historically, with the wettest August 15th recording 3.4" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Elgin, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 65° | 75° | — | — |
| 2024 | 86° | 61° | 73° | 0.3" | — |
| 2023 | 72° | 63° | 67° | 3.4" | — |
| 2022 | 76° | 65° | 70° | — | — |
| 2021 | 83° | 57° | 70° | — | — |
| 2020 | 89° | 64° | 77° | — | — |
| 2019 | 80° | 60° | 70° | 0.25" | — |
| 2018 | 85° | 66° | 75° | — | — |
| 2017 | 81° | 59° | 70° | — | — |
| 2016 | 86° | 63° | 74° | — | — |
| 2015 | 87° | 64° | 76° | 0.53" | — |
| 2014 | 73° | 48° | 61° | — | — |
| 2013 | 75° | 54° | 64° | — | — |
| 2012 | 82° | 57° | 70° | 0.05" | — |
| 2011 | 77° | 54° | 65° | 0.08" | — |
| 2010 | 90° | 71° | 80° | 0.05" | — |
| 2009 | 86° | 63° | 74° | — | — |
| 2008 | 80° | 58° | 69° | — | — |
| 2007 | 85° | 65° | 75° | 0.08" | — |
| 2006 | 83° | 57° | 70° | — | — |
| 2005 | 78° | 58° | 68° | — | — |
| 2004 | 73° | 45° | 59° | — | — |
| 2003 | 88° | 69° | 78° | 0.13" | — |
| 2002 | 78° | 62° | 70° | — | — |
| 2001 | 80° | 54° | 67° | — | — |
| 2000 | 87° | 68° | 78° | — | — |
| 1999 | 74° | 52° | 63° | — | — |
| 1998 | 85° | 63° | 74° | 0.15" | — |
| 1997 | 78° | 57° | 68° | 0.79" | — |
| 1996 | 85° | 61° | 73° | — | — |
| 1995 | 93° | 72° | 82° | — | — |
| 1994 | 72° | 52° | 62° | — | — |
| 1993 | 86° | 66° | 76° | — | — |
| 1992 | 67° | 53° | 60° | — | — |
| 1991 | 85° | 54° | 69° | — | — |
| 1990 | 79° | 64° | 71° | — | — |
| 1989 | 76° | 61° | 68° | 0.33" | — |
| 1988warmest | 92° | 75° | 83° | — | — |
| 1987 | 83° | 66° | 74° | 2.67" | — |
| 1986 | 78° | 64° | 71° | 0.38" | — |
| 1985 | — | 59° | — | 0.81" | — |
| 1984 | 86° | 61° | 73° | — | — |
| 1983 | 83° | 66° | 74° | — | — |
| 1982 | 80° | 60° | 70° | — | — |
| 1981 | 74° | 63° | 68° | 0.28" | — |
| 1980 | 78° | 63° | 70° | 0.33" | — |
| 1979coldest | 67° | 49° | 58° | — | — |
| 1978 | 87° | 67° | 77° | — | — |
| 1977 | 76° | 56° | 66° | — | — |
| 1976 | 70° | 52° | 61° | — | — |
| 1975 | 79° | 60° | 69° | — | — |
| 1974 | 85° | 58° | 71° | — | — |
| 1973 | 79° | 56° | 67° | — | — |
| 1972 | 93° | 60° | 77° | — | — |
| 1971 | 72° | 63° | 67° | — | — |
55 years of data from ELGIN WATER