Weather on March 15
Chicago, IL
55 Years of Data
Avg High
47°F
Avg Low
32°F
Warmest
1990
64°F avg
Coldest
1979
24°F avg
About This Date
March 15th in Chicago, IL typically brings chilly spring weather, with average highs around 47°F and lows near 32°F. Over 53 years of records, the warmest March 15th was in 1990 (64°F average), while the coldest was 1979 (24°F) — a 40°F range across recorded history. Precipitation has occurred on 15% of recorded March 15th dates, with snow falling 2% of the time. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 15th in Chicago, IL? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 63° | 32° | 47° | — | — |
| 2025 | 64° | 42° | 53° | — | — |
| 2024 | 44° | 37° | 41° | — | — |
| 2023 | 48° | 25° | 36° | — | — |
| 2022 | 42° | 34° | 38° | — | — |
| 2021 | 39° | 29° | 34° | — | — |
| 2020 | 39° | 33° | 36° | — | — |
| 2019 | 40° | 32° | 36° | — | — |
| 2018 | 42° | 30° | 36° | — | — |
| 2017 | 33° | 20° | 26° | — | — |
| 2016 | 50° | 39° | 45° | — | — |
| 2015 | 62° | 34° | 48° | — | — |
| 2014 | 39° | 28° | 34° | — | — |
| 2013 | 42° | 33° | 38° | — | — |
| 2012 | 82° | 45° | 63° | — | — |
| 2011 | 42° | 35° | 39° | — | — |
| 2010 | 47° | 40° | 43° | — | — |
| 2009 | 49° | 33° | 41° | — | — |
| 2008 | 40° | 33° | 36° | — | — |
| 2007 | 37° | 32° | 35° | — | — |
| 2006 | 40° | 28° | 34° | — | — |
| 2005 | 42° | 22° | 32° | — | — |
| 2004 | 37° | 29° | 33° | — | — |
| 2003 | 52° | 34° | 43° | — | — |
| 2002 | 60° | 36° | 48° | 0.05" | — |
| 2001 | 47° | 37° | 42° | 1.04" | — |
| 2000 | 67° | 36° | 51° | 0.36" | — |
| 1999 | 44° | 25° | 34° | — | — |
| 1998 | 30° | 22° | 26° | — | — |
| 1994 | 52° | 37° | 44° | — | — |
| 1993 | 36° | 17° | 26° | — | — |
| 1992 | 34° | 26° | 30° | — | — |
| 1991 | 42° | 30° | 36° | — | — |
| 1990warmest | 71° | 58° | 64° | — | — |
| 1989 | 80° | 30° | 55° | 0.51" | — |
| 1988 | 30° | 19° | 25° | 0.08" | 0.2" |
| 1987 | 37° | 32° | 35° | 0.48" | — |
| 1986 | 47° | 37° | 42° | — | — |
| 1985 | 50° | 32° | 41° | — | — |
| 1984 | 51° | 33° | 42° | 0.25" | — |
| 1983 | 46° | 35° | 41° | — | — |
| 1982 | 42° | 34° | 38° | — | — |
| 1981 | 61° | 38° | 49° | — | — |
| 1980 | 47° | 31° | 39° | — | — |
| 1979coldest | 34° | 14° | 24° | — | — |
| 1978 | 38° | 34° | 36° | — | — |
| 1977 | 71° | 46° | 59° | — | — |
| 1976 | 34° | 28° | 31° | — | — |
| 1975 | 47° | 28° | 37° | — | — |
| 1974 | 44° | 35° | 40° | — | — |
| 1973 | 58° | 48° | 53° | — | — |
| 1972 | 41° | 31° | 36° | — | — |
| 1971 | 57° | 28° | 43° | 0.23" | — |
53 years of data from CHICAGO GRANT PARK