Weather on March 20
Chicago, IL
55 Years of Data
Avg High
48°F
Avg Low
33°F
Warmest
2012
69°F avg
Coldest
2013
21°F avg
About This Date
March 20th in Chicago, IL typically brings chilly spring weather, with average highs around 48°F and lows near 33°F. Over 53 years of records, the warmest March 20th was in 2012 (69°F average), while the coldest was 2013 (21°F) — a 48°F range across recorded history. Precipitation has occurred on 25% of recorded March 20th dates, with snow falling 4% of the time (heaviest snowfall: 2"). The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in Chicago, IL? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 67° | 40° | 53° | — | — |
| 2025 | 41° | 31° | 36° | — | — |
| 2024 | 44° | 30° | 37° | — | — |
| 2023 | 50° | 29° | 39° | — | — |
| 2022 | 52° | 38° | 45° | — | — |
| 2021 | 47° | 32° | 39° | — | — |
| 2020 | 63° | 29° | 46° | — | — |
| 2019 | 45° | 40° | 42° | 0.2" | — |
| 2018 | 35° | 28° | 32° | — | — |
| 2017 | 50° | 38° | 44° | — | — |
| 2016 | 41° | 34° | 37° | — | — |
| 2015 | 50° | 39° | 45° | — | — |
| 2014 | 43° | 31° | 37° | — | — |
| 2013coldest | 27° | 16° | 21° | — | — |
| 2012warmest | 83° | 55° | 69° | — | — |
| 2011 | 62° | — | — | — | — |
| 2010 | 39° | 33° | 36° | — | — |
| 2009 | 38° | 29° | 33° | — | — |
| 2008 | 42° | 34° | 38° | — | — |
| 2007 | 43° | 31° | 37° | — | — |
| 2006 | 35° | 32° | 34° | — | — |
| 2005 | 42° | 29° | 35° | — | — |
| 2004 | 63° | 33° | 48° | 0.08" | — |
| 2003 | 65° | 44° | 54° | 0.71" | — |
| 2002 | 46° | 35° | 41° | 0.05" | — |
| 2001 | 50° | 33° | 42° | — | — |
| 2000 | 56° | 44° | 50° | 0.64" | — |
| 1999 | 55° | 28° | 42° | — | — |
| 1998 | 36° | 32° | 34° | — | — |
| 1994 | 48° | 36° | 42° | — | — |
| 1993 | 38° | 31° | 34° | 0.48" | — |
| 1992 | 40° | 32° | 36° | — | — |
| 1991 | 59° | 40° | 49° | — | — |
| 1990 | 42° | 24° | 33° | — | — |
| 1989 | 39° | 33° | 36° | 0.23" | 0.1" |
| 1988 | 44° | 25° | 34° | — | — |
| 1987 | 49° | 34° | 41° | — | — |
| 1986 | 40° | 11° | 25° | 0.33" | 2" |
| 1985 | 63° | 40° | 51° | — | — |
| 1984 | 44° | 32° | 38° | 1.52" | — |
| 1983 | 37° | 30° | 34° | — | — |
| 1982 | 40° | 34° | 37° | 1.4" | — |
| 1981 | 40° | 27° | 33° | 0.05" | — |
| 1980 | 57° | 41° | 49° | — | — |
| 1979 | 64° | 41° | 53° | 0.36" | — |
| 1978 | 49° | 34° | 41° | — | — |
| 1977 | 41° | 32° | 37° | 1.17" | — |
| 1976 | 67° | 48° | 57° | — | — |
| 1975 | 48° | 38° | 43° | — | — |
| 1974 | 35° | 30° | 33° | — | — |
| 1973 | 39° | 36° | 37° | — | — |
| 1972 | 69° | 37° | 53° | — | — |
| 1971 | 40° | 26° | 33° | — | — |
53 years of data from CHICAGO GRANT PARK