Weather on February 21
Joliet, IL
55 Years of Data
About This Date
February 21st in Joliet, IL typically brings chilly winter weather, with average highs around 42°F and lows near 23°F. Over 55 years of records, the warmest February 21st was in 2017 (56°F average), while the coldest was 2015 (8°F) — a 48°F range across recorded history. Precipitation has occurred on 29% of recorded February 21st dates, with snow falling 5% of the time (heaviest snowfall: 2.1"). 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 February 21st in Joliet, IL? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 31° | 26° | 29° | — | — |
| 2025 | 32° | 8° | 20° | — | — |
| 2024 | 56° | 29° | 42° | — | — |
| 2023 | 49° | 29° | 39° | — | — |
| 2022 | 46° | 27° | 36° | — | — |
| 2021 | 27° | 4° | 15° | — | — |
| 2020 | 23° | 10° | 17° | — | — |
| 2019 | 37° | 27° | 32° | — | — |
| 2018 | 65° | 26° | 45° | 1.15" | — |
| 2017warmest | 67° | 45° | 56° | 0.1" | — |
| 2016 | 59° | 37° | 48° | — | — |
| 2015coldest | 18° | -2° | 8° | — | — |
| 2014 | 52° | 30° | 41° | 0.35" | — |
| 2013 | 23° | 7° | 15° | — | — |
| 2012 | 42° | 23° | 33° | 0.07" | — |
| 2011 | 40° | 33° | 36° | 0.83" | — |
| 2010 | 41° | 17° | 29° | — | — |
| 2009 | 29° | 11° | 20° | 0.1" | 1" |
| 2008 | 18° | 7° | 12° | — | — |
| 2007 | 32° | 27° | 29° | — | — |
| 2006 | 33° | 13° | 23° | — | — |
| 2005 | 40° | 34° | 37° | 0.01" | — |
| 2004 | 47° | 33° | 40° | 0.26" | 0.1" |
| 2003 | 49° | 26° | 37° | — | — |
| 2002 | 56° | 30° | 43° | — | — |
| 2001 | 38° | 12° | 25° | — | — |
| 2000 | 27° | 21° | 24° | — | — |
| 1999 | 30° | 21° | 26° | — | — |
| 1998 | 43° | 34° | 38° | 0.01" | — |
| 1997 | 50° | 31° | 40° | 2.75" | — |
| 1996 | 57° | 31° | 44° | — | — |
| 1995 | 52° | 24° | 38° | — | — |
| 1994 | 49° | 31° | 40° | — | — |
| 1993 | 31° | 22° | 26° | 0.25" | 2.1" |
| 1992 | 48° | 29° | 38° | — | — |
| 1991 | 47° | 30° | 38° | — | — |
| 1990 | 37° | 12° | 25° | — | — |
| 1989 | 31° | 23° | 27° | 0.21" | — |
| 1988 | 39° | 6° | 23° | — | — |
| 1987 | 50° | 24° | 37° | — | — |
| 1986 | 37° | 17° | 27° | 0.06" | — |
| 1985 | 42° | 19° | 31° | — | — |
| 1984 | 45° | 26° | 35° | — | — |
| 1983 | 63° | 36° | 49° | — | — |
| 1982 | 44° | 32° | 38° | — | — |
| 1981 | 53° | 31° | 42° | — | — |
| 1980 | 40° | 32° | 36° | — | — |
| 1979 | 37° | 12° | 25° | 0.5" | — |
| 1978 | 25° | 5° | 15° | — | — |
| 1977 | 37° | 22° | 29° | — | — |
| 1976 | 57° | 33° | 45° | 1.18" | — |
| 1974 | 47° | 33° | 40° | 0.13" | — |
| 1973 | — | 23° | — | — | — |
| 1972 | 46° | 31° | 38° | — | — |
| 1971 | 36° | 28° | 32° | — | — |
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
Most pleasant months in Joliet, IL: May, June, August, September.
What to expect on February 21st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
February 21st outlook →