Weather on May 26
Naperville, IL
55 Years of Data
Avg High
75°F
Avg Low
50°F
Warmest
1985
78°F avg
Coldest
1992
48°F avg
About This Date
May 26th in Naperville, IL typically brings pleasant spring weather, with average highs around 75°F and lows near 50°F — a 25°F daily swing. Over 55 years of records, the warmest May 26th was in 1985 (78°F average), while the coldest was 1992 (48°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 26th dates historically, with the wettest May 26th recording 6.12" of rain. The last decade has been 7.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.5°F warmer on this date compared to 20-30 years ago.
Planning for May 26th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 45° | 56° | 0.03" | — |
| 2024 | 76° | 50° | 63° | — | — |
| 2023 | 63° | 36° | 49° | — | — |
| 2022 | 77° | 56° | 66° | 1.12" | — |
| 2021 | 81° | 53° | 67° | 1.8" | — |
| 2020 | 89° | — | — | — | — |
| 2019 | 82° | 66° | 74° | — | — |
| 2018 | 90° | 67° | 78° | — | — |
| 2017 | 71° | 49° | 60° | — | — |
| 2016 | 89° | 64° | 77° | 3.33" | — |
| 2015 | 80° | 66° | 73° | 0.66" | — |
| 2014 | 84° | 51° | 68° | — | — |
| 2013 | 59° | 41° | 50° | — | — |
| 2012 | 79° | 62° | 70° | — | — |
| 2011 | 74° | 45° | 59° | 6.12" | — |
| 2010 | 89° | 61° | 75° | 1.96" | — |
| 2009 | 65° | 55° | 60° | 0.53" | — |
| 2008 | 77° | 58° | 67° | 2.74" | — |
| 2007 | 73° | 47° | 60° | 0.71" | — |
| 2006 | 80° | 63° | 71° | 0.3" | — |
| 2005 | 76° | 54° | 65° | — | — |
| 2004 | 69° | 46° | 58° | — | — |
| 2003 | 74° | 41° | 57° | — | — |
| 2002 | 76° | 37° | 56° | — | — |
| 2001 | 59° | 37° | 48° | 2.16" | — |
| 2000 | 78° | 48° | 63° | — | — |
| 1999 | 75° | 49° | 62° | — | — |
| 1998 | 82° | 45° | 63° | — | — |
| 1997 | 64° | 45° | 54° | — | — |
| 1996 | 65° | 46° | 55° | 0.2" | — |
| 1995 | 70° | 42° | 56° | 0.03" | — |
| 1994 | 76° | 48° | 62° | 0.38" | — |
| 1993 | 80° | 41° | 61° | — | — |
| 1992coldest | 54° | 43° | 48° | — | — |
| 1991 | 83° | 61° | 72° | 2.79" | — |
| 1990 | 67° | 55° | 61° | 1.85" | — |
| 1989 | 74° | 43° | 58° | 0.13" | — |
| 1988 | 78° | 39° | 59° | — | — |
| 1987 | 86° | 62° | 74° | — | — |
| 1986 | 69° | 54° | 61° | — | — |
| 1985warmest | 92° | 64° | 78° | — | — |
| 1984 | 68° | 58° | 63° | 1.14" | — |
| 1983 | 67° | 34° | 50° | — | — |
| 1982 | 68° | 53° | 61° | 0.71" | — |
| 1981 | 80° | 54° | 67° | — | — |
| 1980 | 75° | 45° | 60° | — | — |
| 1979 | 70° | 36° | 53° | — | — |
| 1978 | 89° | 63° | 76° | — | — |
| 1977 | 88° | 57° | 72° | — | — |
| 1976 | 74° | 36° | 55° | — | — |
| 1975 | 79° | 60° | 69° | — | — |
| 1974 | 70° | 47° | 58° | — | — |
| 1973 | 72° | 42° | 57° | — | — |
| 1972 | 86° | 54° | 70° | — | — |
| 1971 | 53° | 45° | 49° | — | — |
55 years of data from WHEATON 3 SE