Weather on February 26
Naperville, IL
55 Years of Data
Avg High
41°F
Avg Low
20°F
Warmest
2000
57°F avg
Coldest
1980
10°F avg
About This Date
February 26th in Naperville, IL typically brings chilly winter weather, with average highs around 41°F and lows near 20°F. Over 56 years of records, the warmest February 26th was in 2000 (57°F average), while the coldest was 1980 (10°F) — a 47°F range across recorded history. Precipitation has occurred on 23% of recorded February 26th dates, with snow falling 16% of the time (heaviest snowfall: 5"). The last decade has been 6.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.4°F cooler on this date compared to 20-30 years ago.
Planning for February 26th in Naperville, IL? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 39° | 16° | 27° | — | — |
| 2025 | 55° | 27° | 41° | 0.08" | — |
| 2024 | 61° | 28° | 44° | — | — |
| 2023 | 36° | 23° | 29° | — | — |
| 2022 | 30° | 11° | 20° | — | — |
| 2021 | 41° | 15° | 28° | — | — |
| 2020 | 40° | 26° | 33° | 0.3" | 2.2" |
| 2019 | — | 9° | — | — | — |
| 2018 | 45° | 24° | 34° | — | — |
| 2017 | 27° | 21° | 24° | — | — |
| 2016 | 38° | 26° | 32° | — | — |
| 2015 | 26° | 12° | 19° | 0.46" | 3.2" |
| 2014 | 23° | -2° | 11° | — | — |
| 2013 | 43° | 16° | 29° | — | — |
| 2012 | 43° | 12° | 27° | — | — |
| 2011 | 39° | 24° | 32° | 0.33" | 1" |
| 2010 | 32° | 13° | 22° | — | — |
| 2009 | 55° | 27° | 41° | — | — |
| 2008 | 33° | 26° | 30° | 1.42" | 4" |
| 2007 | 33° | 29° | 31° | 1.14" | 0.6" |
| 2006 | 46° | 7° | 26° | — | — |
| 2005 | 43° | 23° | 33° | — | — |
| 2004 | 45° | 21° | 33° | — | — |
| 2003 | 32° | 2° | 17° | — | — |
| 2002 | 38° | 23° | 30° | 0.2" | 1" |
| 2001 | 44° | 19° | 32° | — | — |
| 2000warmest | 72° | 42° | 57° | — | — |
| 1999 | 49° | 23° | 36° | — | — |
| 1998 | 65° | 47° | 56° | — | — |
| 1997 | 37° | 31° | 34° | — | — |
| 1996 | 58° | 39° | 48° | 0.03" | — |
| 1995 | 45° | 28° | 36° | — | — |
| 1994 | 25° | 5° | 15° | 1.27" | 5" |
| 1993 | 33° | 17° | 25° | 0.15" | 0.3" |
| 1992 | 26° | 28° | 27° | — | — |
| 1991 | 28° | 10° | 19° | — | — |
| 1990 | 33° | 4° | 18° | — | — |
| 1989 | 35° | 25° | 30° | 0.08" | — |
| 1988 | 56° | 21° | 38° | — | — |
| 1987 | 44° | 29° | 36° | — | — |
| 1986 | 37° | 28° | 33° | — | — |
| 1985 | 41° | 32° | 37° | — | — |
| 1984 | 41° | 24° | 33° | — | — |
| 1983 | 41° | 14° | 28° | — | — |
| 1982 | 36° | 10° | 23° | 0.08" | 0.4" |
| 1981 | 43° | 28° | 35° | — | — |
| 1980coldest | 23° | -4° | 10° | — | — |
| 1979 | 38° | 15° | 26° | — | — |
| 1978 | 37° | 10° | 24° | — | — |
| 1977 | 39° | 23° | 31° | — | — |
| 1976 | 62° | 34° | 48° | — | — |
| 1975 | 38° | 26° | 32° | — | — |
| 1974 | 41° | 5° | 23° | — | — |
| 1973 | 34° | 27° | 30° | — | — |
| 1972 | 33° | 6° | 20° | — | — |
| 1971 | 54° | 38° | 46° | 0.15" | — |
56 years of data from LISLE - MORTON ARBORETUM