Weather on March 20
Joliet, IL
55 Years of Data
Avg High
50°F
Avg Low
31°F
Warmest
2012
69°F avg
Coldest
2013
25°F avg
About This Date
March 20th in Joliet, IL typically brings cool spring weather, with average highs around 50°F and lows near 31°F. Over 54 years of records, the warmest March 20th was in 2012 (69°F average), while the coldest was 2013 (25°F) — a 44°F range across recorded history. Rain or other precipitation has occurred on about 37% of March 20th dates historically, with the wettest March 20th recording 2.92" of rain. 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 20th in Joliet, IL? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 35° | 52° | — | — |
| 2025 | 44° | 32° | 38° | 1.27" | — |
| 2024 | 59° | 29° | 44° | — | — |
| 2023 | 39° | 15° | 27° | — | — |
| 2022 | 42° | 30° | 36° | 0.25" | — |
| 2021 | 50° | 31° | 40° | — | — |
| 2020 | 63° | 39° | 51° | 0.64" | — |
| 2019 | 55° | 27° | 41° | 0.13" | — |
| 2018 | 48° | 29° | 38° | — | — |
| 2017 | 52° | 28° | 40° | 1.63" | — |
| 2016 | 46° | 27° | 36° | — | — |
| 2015 | 49° | 37° | 43° | — | — |
| 2014 | 45° | 29° | 37° | — | — |
| 2013coldest | 34° | 16° | 25° | — | — |
| 2012warmest | 80° | 58° | 69° | 0.03" | — |
| 2011 | 55° | 31° | 43° | — | — |
| 2010 | 66° | 37° | 52° | — | — |
| 2009 | 50° | 25° | 37° | — | — |
| 2008 | 47° | 30° | 38° | — | — |
| 2007 | 61° | 25° | 43° | 0.03" | — |
| 2006 | 48° | 27° | 37° | — | — |
| 2005 | 48° | 31° | 39° | — | — |
| 2004 | 53° | 28° | 41° | — | — |
| 2003 | 53° | 41° | 47° | 1.04" | — |
| 2002 | 48° | 36° | 42° | 0.13" | — |
| 2001 | 49° | 31° | 40° | — | — |
| 2000 | 59° | 37° | 48° | 1.35" | — |
| 1999 | 48° | 26° | 37° | — | — |
| 1998 | 40° | 34° | 37° | 0.03" | — |
| 1997 | 49° | 28° | 38° | — | — |
| 1996 | 37° | 30° | 34° | — | — |
| 1995 | 54° | 44° | 49° | 0.38" | — |
| 1994 | 49° | 26° | 37° | 0.03" | — |
| 1993 | 33° | 26° | 30° | 0.38" | — |
| 1992 | 46° | 30° | 38° | — | — |
| 1991 | 55° | 32° | 44° | — | — |
| 1990 | 32° | 22° | 27° | — | — |
| 1989 | 36° | 21° | 28° | — | — |
| 1988 | 44° | 22° | 33° | — | — |
| 1987 | 58° | 34° | 46° | — | — |
| 1986 | 45° | 10° | 27° | 0.15" | — |
| 1985 | 63° | 33° | 48° | — | — |
| 1984 | 37° | 29° | 33° | 2.21" | — |
| 1983 | 38° | 28° | 33° | — | — |
| 1982 | 39° | 34° | 36° | 2.92" | — |
| 1981 | 33° | 22° | 27° | — | — |
| 1980 | 52° | 37° | 44° | — | — |
| 1979 | 66° | 40° | 53° | 0.05" | — |
| 1978 | 48° | 29° | 38° | — | — |
| 1977 | 40° | 32° | 36° | 1.02" | — |
| 1976 | 74° | 54° | 64° | 0.13" | — |
| 1974 | 40° | 22° | 31° | — | — |
| 1972 | 71° | 41° | 56° | — | — |
| 1971 | 39° | 21° | 30° | — | — |
54 years of data from JOLIET