Weather on July 21
Elgin, IL
55 Years of Data
About This Date
July 21st in Elgin, IL typically brings warm summer weather, with average highs around 84°F and lows near 65°F. Over 54 years of records, the warmest July 21st was in 2011 (88°F average), while the coldest was 1996 (63°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 31% of July 21st dates historically, with the wettest July 21st recording 3.23" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for July 21st 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 | 77° | 66° | 72° | 0.1" | — |
| 2024 | 80° | 61° | 70° | — | — |
| 2023 | 85° | 63° | 74° | — | — |
| 2022 | 85° | 67° | 76° | — | — |
| 2021 | 89° | 64° | 77° | — | — |
| 2020 | 84° | 65° | 74° | — | — |
| 2019 | 95° | 68° | 82° | 0.61" | — |
| 2018 | 74° | 67° | 70° | 2.49" | — |
| 2017 | 87° | 67° | 77° | 1.47" | — |
| 2016 | 87° | 71° | 79° | — | — |
| 2015 | 84° | 63° | 73° | — | — |
| 2014 | 80° | 60° | 70° | — | — |
| 2013 | — | 63° | — | 1.73" | — |
| 2012 | 83° | 61° | 72° | — | — |
| 2011warmest | 98° | 77° | 88° | — | — |
| 2010 | 90° | 69° | 79° | — | — |
| 2009 | 77° | 57° | 67° | — | — |
| 2008 | 84° | 67° | 75° | — | — |
| 2007 | 76° | 55° | 65° | — | — |
| 2006 | 79° | 68° | 73° | 2.44" | — |
| 2005 | 90° | 71° | 80° | 0.84" | — |
| 2004 | 89° | 71° | 80° | — | — |
| 2003 | 86° | 67° | 76° | 0.64" | — |
| 2002 | 91° | 62° | 77° | — | — |
| 2001 | 94° | 71° | 82° | — | — |
| 2000 | 76° | 57° | 66° | — | — |
| 1999 | 84° | 70° | 77° | 1.3" | — |
| 1998 | 90° | 73° | 81° | — | — |
| 1997 | 90° | 68° | 79° | — | — |
| 1996coldest | 71° | 56° | 63° | — | — |
| 1995 | 75° | 65° | 70° | 2.21" | — |
| 1994 | 89° | 68° | 79° | 0.38" | — |
| 1993 | 80° | 61° | 70° | — | — |
| 1992 | 73° | 56° | 64° | — | — |
| 1991 | 96° | 73° | 85° | — | — |
| 1990 | 76° | 58° | 67° | 0.18" | — |
| 1989 | 71° | 63° | 67° | 0.56" | — |
| 1988 | 81° | 65° | 73° | — | — |
| 1987 | 94° | 65° | 79° | 0.36" | — |
| 1986 | 84° | 63° | 73° | — | — |
| 1985 | — | 64° | — | — | — |
| 1984 | 86° | 65° | 75° | — | — |
| 1983 | 93° | 67° | 80° | — | — |
| 1982 | 82° | 60° | 71° | — | — |
| 1981 | 84° | 64° | 74° | — | — |
| 1980 | 93° | 62° | 78° | 3.23" | — |
| 1979 | 82° | 57° | 70° | — | — |
| 1978 | 89° | 68° | 79° | 2.21" | — |
| 1977 | 89° | 69° | 79° | — | — |
| 1976 | 88° | 67° | 77° | — | — |
| 1975 | 84° | — | — | — | — |
| 1974 | 81° | 51° | 66° | — | — |
| 1973 | 75° | 66° | 71° | 0.36" | — |
| 1971 | 86° | 60° | 73° | — | — |
Elgin, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Elgin, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Elgin, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Elgin, IL
Elgin, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.