Weather on April 21
Elgin, IL
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
1985
73°F avg
Coldest
1978
35°F avg
About This Date
April 21st in Elgin, IL typically brings mild spring weather, with average highs around 62°F and lows near 40°F. Over 54 years of records, the warmest April 21st was in 1985 (73°F average), while the coldest was 1978 (35°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 57% of April 21st dates historically, with the wettest April 21st recording 3" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 21st in Elgin, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 46° | 53° | 1.78" | — |
| 2024 | 44° | 33° | 39° | — | — |
| 2023 | 76° | 36° | 56° | 0.99" | — |
| 2022 | 51° | 42° | 47° | 1.07" | — |
| 2021 | — | 32° | — | — | — |
| 2020 | 63° | 33° | 48° | 0.03" | — |
| 2019 | 70° | 41° | 55° | — | — |
| 2018 | 63° | 30° | 46° | — | — |
| 2017 | 70° | 41° | 55° | — | — |
| 2016 | 71° | 51° | 61° | 0.89" | — |
| 2015 | 50° | 38° | 44° | 0.03" | — |
| 2014 | 78° | 47° | 62° | — | — |
| 2013 | 47° | 28° | 37° | — | — |
| 2012 | 46° | 33° | 40° | — | — |
| 2011 | 43° | 29° | 36° | — | — |
| 2010 | 70° | 37° | 53° | — | — |
| 2009 | 53° | 36° | 44° | 0.43" | — |
| 2008 | 76° | 44° | 60° | — | — |
| 2007 | 70° | 38° | 54° | — | — |
| 2006 | 75° | 44° | 60° | — | — |
| 2005 | 70° | 43° | 56° | — | — |
| 2004 | 63° | 45° | 54° | 2.16" | — |
| 2003 | 65° | 46° | 55° | 0.05" | — |
| 2002 | 51° | 37° | 44° | 0.97" | — |
| 2001 | 77° | 53° | 65° | 1.02" | — |
| 2000 | 67° | 39° | 53° | 3" | — |
| 1999 | 55° | 36° | 45° | 0.64" | — |
| 1998 | 64° | 40° | 52° | 2.03" | — |
| 1997 | 60° | 41° | 51° | 0.56" | — |
| 1996 | 54° | 37° | 45° | 0.05" | — |
| 1995 | 46° | 41° | 44° | 0.36" | — |
| 1994 | 62° | 39° | 51° | 0.03" | — |
| 1993 | 39° | 30° | 35° | 0.28" | — |
| 1992 | 69° | 44° | 57° | 0.05" | — |
| 1991 | 50° | 37° | 44° | — | — |
| 1990 | 59° | 49° | 54° | 1.37" | — |
| 1989 | 68° | 42° | 55° | 0.05" | — |
| 1988 | 53° | 28° | 41° | 0.3" | — |
| 1987 | 85° | 58° | 71° | — | — |
| 1986 | 60° | 39° | 50° | 0.3" | — |
| 1985warmest | 84° | 62° | 73° | — | — |
| 1984 | 59° | 33° | 46° | — | — |
| 1983 | 54° | 34° | 44° | — | — |
| 1982 | 49° | 30° | 39° | — | — |
| 1981 | 42° | 29° | 35° | — | — |
| 1980 | 77° | 46° | 62° | — | — |
| 1979 | 68° | 49° | 58° | 0.05" | — |
| 1978coldest | 40° | 31° | 35° | 0.58" | — |
| 1977 | 76° | — | — | 0.25" | — |
| 1976 | 60° | 47° | 53° | 0.89" | — |
| 1975 | 45° | — | — | 0.08" | — |
| 1974 | 78° | 50° | 64° | 0.05" | — |
| 1973 | 72° | 60° | 66° | 1.8" | — |
| 1971 | 70° | 40° | 55° | — | — |
54 years of data from ELGIN WATER