Weather on May 18
Elgin, IL
55 Years of Data
Avg High
71°F
Avg Low
49°F
Warmest
1971
76°F avg
Coldest
2002
39°F avg
About This Date
May 18th in Elgin, IL typically brings pleasant spring weather, with average highs around 71°F and lows near 49°F. Over 54 years of records, the warmest May 18th was in 1971 (76°F average), while the coldest was 2002 (39°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 18th dates historically, with the wettest May 18th recording 5.79" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for May 18th in Elgin, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 47° | 58° | — | — |
| 2024 | 82° | 55° | 69° | — | — |
| 2023 | 62° | 43° | 52° | — | — |
| 2022 | 71° | 51° | 61° | 1.24" | — |
| 2021 | 71° | 55° | 63° | — | — |
| 2020 | 68° | 51° | 60° | 4.32" | — |
| 2019 | 62° | 51° | 57° | 0.13" | — |
| 2018 | 78° | 55° | 67° | — | — |
| 2017 | 83° | 63° | 73° | 0.84" | — |
| 2016 | 62° | 36° | 49° | — | — |
| 2015 | 82° | 67° | 74° | 0.03" | — |
| 2014 | 59° | 40° | 49° | — | — |
| 2013 | 73° | 53° | 63° | 0.05" | — |
| 2012 | 74° | 40° | 57° | — | — |
| 2011 | 63° | 43° | 53° | — | — |
| 2010 | 62° | 49° | 55° | 0.05" | — |
| 2009 | 63° | 36° | 49° | — | — |
| 2008 | 71° | 44° | 58° | 0.18" | — |
| 2007 | 64° | 37° | 51° | — | — |
| 2006 | 71° | 44° | 58° | 0.38" | — |
| 2005 | 74° | 51° | 62° | — | — |
| 2004 | 80° | 60° | 70° | 2.21" | — |
| 2003 | 71° | 50° | 61° | — | — |
| 2002coldest | 47° | 32° | 39° | — | — |
| 2001 | 86° | 64° | 75° | — | — |
| 2000 | 68° | 56° | 62° | 0.91" | — |
| 1999 | 76° | 58° | 67° | 0.51" | — |
| 1998 | 87° | 53° | 70° | — | — |
| 1997 | 60° | 42° | 51° | — | — |
| 1996 | 87° | 57° | 72° | — | — |
| 1995 | 60° | 50° | 55° | 0.03" | — |
| 1994 | 64° | 40° | 52° | — | — |
| 1993 | 63° | 48° | 55° | — | — |
| 1992 | 80° | 46° | 63° | — | — |
| 1991 | 71° | 45° | 58° | 1.22" | — |
| 1990 | 60° | 47° | 53° | — | — |
| 1989 | 80° | 54° | 67° | — | — |
| 1988 | 64° | 40° | 52° | — | — |
| 1987 | 88° | 50° | 69° | 1.55" | — |
| 1986 | 72° | 47° | 59° | 5.79" | — |
| 1985 | 64° | 45° | 54° | 0.03" | — |
| 1984 | 81° | 55° | 68° | — | — |
| 1983 | 65° | 36° | 50° | — | — |
| 1982 | 85° | 61° | 73° | — | — |
| 1981 | 55° | 44° | 50° | — | — |
| 1980 | 56° | 49° | 52° | 1.02" | — |
| 1979 | 80° | 53° | 67° | — | — |
| 1978 | 72° | 48° | 60° | — | — |
| 1977 | 85° | 63° | 74° | — | — |
| 1976 | 59° | 37° | 48° | — | — |
| 1975 | 87° | — | — | — | — |
| 1974 | 61° | 46° | 53° | 0.18" | — |
| 1973 | 60° | 40° | 50° | — | — |
| 1971warmest | 88° | 64° | 76° | — | — |
54 years of data from ELGIN WATER