Weather on February 17
Joliet, IL
55 Years of Data
Avg High
35°F
Avg Low
18°F
Warmest
2026
47°F avg
Coldest
1980
2°F avg
About This Date
February 17th in Joliet, IL typically brings cold winter weather, with average highs around 35°F and lows near 18°F. Over 55 years of records, the warmest February 17th was in 2026 (47°F average), while the coldest was 1980 (2°F) — a 45°F range across recorded history. Precipitation has occurred on 29% of recorded February 17th dates, with snow falling 5% of the time (heaviest snowfall: 1.5"). 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 17th in Joliet, IL? Bundle up with warm layers and protect extremities from the cold.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 58° | 35° | 47° | — | — |
| 2025 | 20° | 4° | 12° | — | — |
| 2024 | 30° | 10° | 20° | — | — |
| 2023 | 36° | 18° | 27° | 0.46" | 0.4" |
| 2022 | 54° | 32° | 43° | 0.64" | — |
| 2021 | 18° | -2° | 8° | — | — |
| 2020 | 38° | 16° | 27° | — | — |
| 2019 | 29° | 16° | 22° | — | — |
| 2018 | 35° | 13° | 24° | — | — |
| 2017 | 44° | 30° | 37° | — | — |
| 2016 | 33° | 24° | 29° | — | — |
| 2015 | 16° | 6° | 11° | — | — |
| 2014 | 28° | 17° | 23° | — | — |
| 2013 | 21° | 8° | 15° | — | — |
| 2012 | 46° | 26° | 36° | — | — |
| 2011 | 53° | 31° | 42° | — | — |
| 2010 | 33° | 26° | 30° | — | — |
| 2009 | 33° | 16° | 24° | — | — |
| 2008 | 42° | 10° | 26° | 1.55" | — |
| 2007 | 22° | -5° | 8° | 0.38" | 1.5" |
| 2006 | 51° | 19° | 35° | 1.27" | — |
| 2005 | 34° | 19° | 26° | — | — |
| 2004 | 26° | 11° | 18° | — | — |
| 2003 | 27° | 18° | 22° | — | — |
| 2002 | 42° | 28° | 35° | — | — |
| 2001 | 32° | 6° | 19° | — | — |
| 2000 | 34° | 23° | 28° | — | — |
| 1999 | 37° | 28° | 33° | 0.05" | — |
| 1998 | 46° | 39° | 43° | 0.56" | — |
| 1997 | 25° | 13° | 19° | — | — |
| 1996 | 26° | 11° | 18° | — | — |
| 1995 | 36° | 14° | 25° | — | — |
| 1994 | 43° | 23° | 33° | — | — |
| 1993 | 30° | 9° | 19° | 0.03" | 0.1" |
| 1992 | 37° | 33° | 35° | — | — |
| 1991 | 32° | 3° | 18° | — | — |
| 1990 | 33° | 16° | 24° | — | — |
| 1989 | 33° | 12° | 23° | — | — |
| 1988 | 40° | 20° | 30° | 0.03" | — |
| 1987 | 31° | 16° | 23° | — | — |
| 1986 | 33° | 18° | 25° | 1.88" | — |
| 1985 | 32° | 11° | 21° | — | — |
| 1984 | 50° | 38° | 44° | 0.05" | — |
| 1983 | 38° | 31° | 34° | 0.1" | — |
| 1982 | 39° | 32° | 36° | 0.51" | — |
| 1981 | 52° | 37° | 44° | — | — |
| 1980coldest | 12° | -8° | 2° | — | — |
| 1979 | 21° | -1° | 10° | — | — |
| 1978 | 17° | -3° | 7° | — | — |
| 1977 | 26° | 10° | 18° | — | — |
| 1976 | 53° | 35° | 44° | 0.08" | — |
| 1974 | 49° | 23° | 36° | — | — |
| 1973 | — | 2° | — | — | — |
| 1972 | 46° | 33° | 40° | 0.25" | — |
| 1971 | 51° | 34° | 42° | 0.51" | — |
55 years of data from JOLIET