Weather on March 21
Joliet, IL
55 Years of Data
About This Date
March 21st 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 21st was in 2012 (73°F average), while the coldest was 2013 (18°F) — a 55°F range across recorded history. Rain or other precipitation has occurred on about 41% of March 21st dates historically, with the wettest March 21st recording 1.37" 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 21st in Joliet, IL? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 80° | 45° | 63° | — | — |
| 2025 | 62° | 28° | 45° | — | — |
| 2024 | 40° | 26° | 33° | — | — |
| 2023 | 51° | 27° | 39° | — | — |
| 2022 | 63° | 30° | 46° | — | — |
| 2021 | 56° | 28° | 42° | — | — |
| 2020 | 47° | 27° | 37° | — | — |
| 2019 | 45° | 36° | 40° | 1.27" | — |
| 2018 | 37° | 27° | 32° | — | — |
| 2017 | 55° | 36° | 45° | — | — |
| 2016 | 45° | 24° | 34° | — | — |
| 2015 | 48° | 37° | 43° | — | — |
| 2014 | 46° | 31° | 38° | 0.03" | — |
| 2013coldest | 24° | 13° | 18° | — | — |
| 2012warmest | 84° | 63° | 73° | — | — |
| 2011 | 65° | 44° | 54° | 0.3" | — |
| 2010 | 37° | 32° | 35° | 0.46" | — |
| 2009 | 45° | 24° | 34° | — | — |
| 2008 | 51° | 29° | 40° | 0.08" | — |
| 2007 | 47° | 32° | 39° | 0.76" | — |
| 2006 | 38° | 28° | 33° | — | — |
| 2005 | 42° | 20° | 31° | — | — |
| 2004 | 63° | 29° | 46° | — | — |
| 2003 | 67° | 46° | 56° | 0.71" | — |
| 2002 | 49° | 37° | 43° | 0.03" | — |
| 2001 | 53° | 32° | 43° | — | — |
| 2000 | 58° | 43° | 50° | 0.05" | — |
| 1999 | 55° | 26° | 41° | — | — |
| 1998 | 36° | 32° | 34° | 0.08" | — |
| 1997 | 59° | 41° | 50° | — | — |
| 1996 | 34° | 25° | 29° | — | — |
| 1995 | 59° | 33° | 46° | 0.33" | — |
| 1994 | 62° | 41° | 52° | 0.33" | — |
| 1993 | 36° | 26° | 31° | — | — |
| 1992 | 43° | 27° | 35° | — | — |
| 1991 | 59° | 35° | 47° | 0.03" | — |
| 1990 | 45° | 22° | 33° | — | — |
| 1989 | 39° | 23° | 31° | 0.1" | — |
| 1988 | 42° | 23° | 33° | — | — |
| 1987 | 60° | 35° | 48° | — | — |
| 1986 | 31° | 10° | 20° | 0.05" | — |
| 1985 | 54° | 29° | 41° | — | — |
| 1984 | 39° | 31° | 35° | 0.08" | — |
| 1983 | 33° | 26° | 30° | 1.22" | — |
| 1982 | 47° | 34° | 40° | — | — |
| 1981 | 42° | 27° | 34° | — | — |
| 1980 | 59° | 31° | 45° | 0.48" | — |
| 1979 | 47° | 32° | 39° | — | — |
| 1978 | 52° | 33° | 42° | 1.37" | — |
| 1977 | 41° | 31° | 36° | 0.23" | — |
| 1976 | 68° | 31° | 49° | — | — |
| 1974 | 44° | 23° | 34° | 0.05" | — |
| 1972 | 67° | 51° | 59° | 0.3" | — |
| 1971 | 54° | 30° | 42° | — | — |
Joliet, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Joliet, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Joliet, 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 Joliet, IL
Joliet, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.