Weather on August 20
Elgin, IL
55 Years of Data
Avg High
81°F
Avg Low
60°F
Warmest
1983
84°F avg
Coldest
1977
61°F avg
About This Date
August 20th 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 20th was in 1983 (84°F average), while the coldest was 1977 (61°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 36% of August 20th dates historically, with the wettest August 20th recording 7.26" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Elgin, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 65° | 71° | 0.05" | — |
| 2024 | 78° | 55° | 67° | — | — |
| 2023 | 84° | 60° | 72° | — | — |
| 2022 | 82° | 63° | 72° | 2.11" | — |
| 2021 | 87° | 68° | 78° | — | — |
| 2020 | 83° | 55° | 69° | — | — |
| 2019 | 86° | 64° | 75° | — | — |
| 2018 | 86° | 65° | 75° | — | — |
| 2017 | 83° | 59° | 71° | — | — |
| 2016 | 86° | 68° | 77° | 0.43" | — |
| 2015 | 72° | 58° | 65° | 0.03" | — |
| 2014 | 84° | 62° | 73° | 0.03" | — |
| 2013 | 83° | 54° | 68° | — | — |
| 2012 | 80° | 55° | 68° | — | — |
| 2011 | 88° | 62° | 75° | — | — |
| 2010 | 86° | 67° | 76° | — | — |
| 2009 | 82° | 59° | 71° | 1.47" | — |
| 2008 | 83° | 62° | 72° | — | — |
| 2007 | 68° | 58° | 63° | 7.26" | — |
| 2006 | 81° | 56° | 68° | — | — |
| 2005 | 88° | 68° | 78° | 3.63" | — |
| 2004 | 71° | — | — | — | — |
| 2003 | 85° | 64° | 74° | — | — |
| 2002 | 78° | 55° | 67° | 0.13" | — |
| 2001 | 76° | 55° | 65° | — | — |
| 2000 | 75° | 58° | 66° | — | — |
| 1999 | 74° | 56° | 65° | — | — |
| 1998 | 83° | 59° | 71° | — | — |
| 1997 | 70° | 56° | 63° | 0.05" | — |
| 1996 | 83° | 68° | 75° | 3.02" | — |
| 1995 | 85° | 70° | 77° | — | — |
| 1994 | 85° | 66° | 75° | 1.22" | — |
| 1993 | 84° | 67° | 75° | 0.13" | — |
| 1992 | 73° | 50° | 62° | — | — |
| 1991 | 70° | 57° | 63° | 0.18" | — |
| 1990 | 81° | 67° | 74° | 2.16" | — |
| 1989 | 77° | 57° | 67° | 0.76" | — |
| 1988 | 85° | 62° | 73° | — | — |
| 1987 | 80° | 57° | 69° | — | — |
| 1986 | 80° | 54° | 67° | — | — |
| 1985 | — | 54° | — | — | — |
| 1984 | 78° | 52° | 65° | — | — |
| 1983warmest | 97° | 71° | 84° | — | — |
| 1982 | 83° | 63° | 73° | — | — |
| 1981 | 75° | 54° | 64° | — | — |
| 1980 | 85° | 65° | 75° | 1.09" | — |
| 1979 | 77° | 65° | 71° | 1.5" | — |
| 1978 | 76° | 54° | 65° | — | — |
| 1977coldest | 70° | 53° | 61° | 0.03" | — |
| 1976 | 85° | 58° | 71° | — | — |
| 1975 | 74° | 57° | 65° | 0.58" | — |
| 1974 | 84° | 66° | 75° | — | — |
| 1973 | 84° | 66° | 75° | — | — |
| 1972 | 86° | 64° | 75° | — | — |
| 1971 | 90° | 63° | 76° | — | — |
55 years of data from ELGIN WATER