Weather on February 21
Chicago, IL
55 Years of Data
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.
| 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° | — | — |
Chicago, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Chicago, IL Monthly Precipitation
Average rainfall per month, in inches.
Chicago, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Chicago, IL
Chicago, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.