Weather on February 21
Chicago, IL
55 Years of Data
Avg High
40°F
Avg Low
28°F
Warmest
2017
53°F avg
Coldest
2008
14°F avg
About This Date
February 21st in Chicago, IL typically brings chilly winter weather, with average highs around 40°F and lows near 28°F. Over 53 years of records, the warmest February 21st was in 2017 (53°F average), while the coldest was 2008 (14°F) — a 39°F range across recorded history. Precipitation has occurred on 9% of recorded February 21st dates, with snow falling 6% of the time (heaviest snowfall: 3"). The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for February 21st in Chicago, IL? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 30° | 25° | 27° | — | — |
| 2025 | 29° | 14° | 21° | — | — |
| 2024 | 65° | 42° | 53° | — | — |
| 2023 | 42° | 26° | 34° | — | — |
| 2022 | 42° | 33° | 38° | — | — |
| 2021 | 37° | 11° | 24° | — | — |
| 2020 | 37° | — | — | — | — |
| 2019 | 35° | 27° | 31° | — | — |
| 2018 | 34° | 28° | 31° | — | — |
| 2017warmest | 64° | 43° | 53° | — | — |
| 2016 | 44° | 33° | 39° | — | — |
| 2015 | 30° | 18° | 24° | — | — |
| 2014 | 38° | 28° | 33° | — | — |
| 2013 | 31° | 23° | 27° | — | — |
| 2012 | 44° | 35° | 40° | — | — |
| 2011 | 35° | 27° | 31° | — | — |
| 2010 | 37° | 33° | 35° | — | — |
| 2009 | 33° | 23° | 28° | — | — |
| 2008coldest | 24° | 4° | 14° | — | — |
| 2007 | 50° | 28° | 39° | — | — |
| 2006 | 37° | 24° | 31° | — | — |
| 2005 | 37° | 33° | 35° | — | — |
| 2004 | 40° | 31° | 35° | 0.05" | — |
| 2003 | 48° | 28° | 38° | — | — |
| 2002 | 35° | 31° | 33° | — | — |
| 2001 | 24° | 11° | 17° | — | — |
| 2000 | 48° | 23° | 36° | — | — |
| 1999 | 36° | 26° | 31° | — | — |
| 1998 | 45° | 34° | 39° | — | — |
| 1994 | 47° | 33° | 40° | — | — |
| 1993 | 33° | 27° | 30° | 1.22" | 3" |
| 1992 | 47° | 32° | 39° | — | — |
| 1991 | 55° | 40° | 47° | — | — |
| 1990 | 48° | 27° | 37° | — | — |
| 1989 | 34° | 24° | 29° | 0.51" | 1.5" |
| 1988 | 25° | 7° | 16° | — | — |
| 1987 | 47° | 35° | 41° | — | — |
| 1986 | 36° | 26° | 31° | 0.46" | 0.5" |
| 1985 | 45° | 38° | 41° | — | — |
| 1984 | 45° | 31° | 38° | — | — |
| 1983 | 64° | 38° | 51° | — | — |
| 1982 | 49° | 35° | 42° | — | — |
| 1981 | 36° | 30° | 33° | — | — |
| 1980 | 42° | 34° | 38° | — | — |
| 1979 | 38° | 32° | 35° | 0.81" | — |
| 1978 | 28° | 17° | 23° | — | — |
| 1977 | 30° | 11° | 20° | — | — |
| 1976 | 38° | 31° | 34° | — | — |
| 1975 | 46° | 33° | 40° | — | — |
| 1974 | 41° | 34° | 37° | — | — |
| 1973 | 37° | 22° | 29° | — | — |
| 1972 | 48° | 28° | 38° | — | — |
| 1971 | 36° | 30° | 33° | — | — |
53 years of data from CHICAGO GRANT PARK