Weather on February 18
Chicago, IL
55 Years of Data
Avg High
38°F
Avg Low
24°F
Warmest
2026
56°F avg
Coldest
2006
3°F avg
About This Date
February 18th in Chicago, IL typically brings cold winter weather, with average highs around 38°F and lows near 24°F. Over 53 years of records, the warmest February 18th was in 2026 (56°F average), while the coldest was 2006 (3°F) — a 53°F range across recorded history. Rain or other precipitation has occurred on about 17% of February 18th dates historically, with the wettest February 18th recording 0.64" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for February 18th in Chicago, IL? Bundle up with warm layers and protect extremities from the cold.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 63° | 50° | 56° | — | — |
| 2025 | 15° | -2° | 7° | — | — |
| 2024 | 45° | 24° | 34° | — | — |
| 2023 | 46° | 25° | 35° | — | — |
| 2022 | 31° | 11° | 21° | — | — |
| 2021 | 27° | 15° | 21° | — | — |
| 2020 | 39° | 27° | 33° | — | — |
| 2019 | 29° | 23° | 26° | — | — |
| 2018 | 42° | 23° | 33° | — | — |
| 2017 | 65° | 42° | 53° | — | — |
| 2016 | 40° | 25° | 32° | — | — |
| 2015 | 11° | 0° | 5° | — | — |
| 2014 | 46° | 25° | 35° | — | — |
| 2013 | 53° | 29° | 41° | — | — |
| 2012 | 41° | 33° | 37° | — | — |
| 2011 | 57° | 37° | 47° | — | — |
| 2010 | 45° | 31° | 38° | — | — |
| 2009 | 41° | 23° | 32° | — | — |
| 2008 | 35° | 9° | 22° | — | — |
| 2007 | 29° | 17° | 23° | — | — |
| 2006coldest | 10° | -5° | 3° | — | — |
| 2005 | 26° | 12° | 19° | — | — |
| 2004 | 43° | 20° | 31° | — | — |
| 2003 | 36° | 25° | 30° | — | — |
| 2002 | 51° | 29° | 40° | — | — |
| 2001 | 33° | 9° | 21° | — | — |
| 2000 | 32° | 29° | 30° | — | — |
| 1999 | 37° | 23° | 30° | — | — |
| 1998 | 39° | 37° | 38° | — | — |
| 1994 | 60° | 38° | 49° | — | — |
| 1993 | 15° | 1° | 8° | — | — |
| 1992 | 39° | 34° | 36° | 0.64" | — |
| 1991 | 42° | 34° | 38° | 0.23" | — |
| 1990 | 40° | 25° | 32° | — | — |
| 1989 | 30° | 23° | 27° | — | — |
| 1988 | 45° | 26° | 35° | — | — |
| 1987 | 37° | 26° | 32° | — | — |
| 1986 | 41° | 31° | 36° | 0.08" | — |
| 1985 | 40° | 26° | 33° | 0.05" | — |
| 1984 | 45° | 39° | 42° | 0.2" | — |
| 1983 | 38° | 35° | 36° | — | — |
| 1982 | 38° | 30° | 34° | 0.1" | — |
| 1981 | 61° | 46° | 53° | — | — |
| 1980 | 31° | 10° | 20° | — | — |
| 1979 | 13° | 5° | 9° | 0.15" | — |
| 1978 | 24° | 4° | 14° | — | — |
| 1977 | 42° | 33° | 38° | — | — |
| 1976 | 51° | 34° | 42° | — | — |
| 1975 | 37° | 32° | 35° | 0.2" | — |
| 1974 | 50° | 33° | 42° | — | — |
| 1973 | 32° | 22° | 27° | — | — |
| 1972 | 31° | 22° | 26° | — | — |
| 1971 | 43° | 36° | 39° | 0.46" | — |
53 years of data from CHICAGO GRANT PARK