Weather on February 14
Naperville, IL
55 Years of Data
Avg High
36°F
Avg Low
17°F
Warmest
2005
44°F avg
Coldest
2021
3°F avg
About This Date
February 14th in Naperville, IL typically brings cold winter weather, with average highs around 36°F and lows near 17°F. Over 56 years of records, the warmest February 14th was in 2005 (44°F average), while the coldest was 2021 (3°F) — a 41°F range across recorded history. Precipitation has occurred on 20% of recorded February 14th dates, with snow falling 14% of the time (heaviest snowfall: 8.1"). The last decade has been 11.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 11.5°F cooler on this date compared to 20-30 years ago.
Planning for February 14th in Naperville, IL? Bundle up with warm layers and protect extremities from the cold.
Cooling Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 18° | 36° | — | — |
| 2025 | 17° | -3° | 7° | — | — |
| 2024 | 40° | 17° | 28° | — | — |
| 2023 | 51° | 32° | 42° | — | — |
| 2022 | 19° | 9° | 14° | — | — |
| 2021coldest | 11° | -6° | 3° | 0.25" | 1.5" |
| 2020 | 17° | -9° | 4° | — | — |
| 2019 | 37° | 12° | 25° | — | — |
| 2018 | 35° | 21° | 28° | — | — |
| 2017 | 45° | 26° | 35° | — | — |
| 2016 | 18° | 2° | 10° | — | — |
| 2015 | 27° | -1° | 13° | — | — |
| 2014 | 32° | 9° | 20° | — | — |
| 2013 | 42° | 23° | 33° | — | — |
| 2012 | 36° | 18° | 27° | 0.15" | 0.6" |
| 2011 | 47° | 31° | 39° | — | — |
| 2010 | 33° | 4° | 18° | — | — |
| 2009 | 39° | 27° | 33° | 0.15" | 1" |
| 2008 | 23° | 1° | 12° | — | — |
| 2007 | 22° | 8° | 15° | 0.51" | 8.1" |
| 2006 | 56° | 23° | 39° | — | — |
| 2005warmest | 50° | 37° | 44° | 2.16" | — |
| 2004 | 35° | 21° | 28° | — | — |
| 2003 | 36° | 9° | 22° | — | — |
| 2002 | 48° | 29° | 38° | — | — |
| 2001 | 40° | 32° | 36° | 0.18" | — |
| 2000 | 38° | 26° | 32° | 0.05" | — |
| 1999 | 48° | 16° | 32° | — | — |
| 1998 | 44° | 30° | 37° | — | — |
| 1997 | 34° | 19° | 26° | — | — |
| 1996 | 37° | 25° | 31° | — | — |
| 1995 | 30° | 3° | 17° | — | — |
| 1994 | 47° | 9° | 28° | — | — |
| 1993 | 33° | 20° | 26° | — | — |
| 1992 | 33° | 30° | 32° | — | — |
| 1991 | 31° | 9° | 20° | 0.28" | 2" |
| 1990 | 31° | 25° | 28° | — | — |
| 1989 | 36° | 20° | 28° | — | — |
| 1988 | 41° | 9° | 25° | — | — |
| 1987 | 43° | 30° | 36° | — | — |
| 1986 | 29° | 12° | 20° | — | — |
| 1985 | 24° | 16° | 20° | 0.08" | 0.6" |
| 1984 | 58° | 28° | 43° | — | — |
| 1983 | 48° | 29° | 38° | — | — |
| 1982 | 37° | 14° | 26° | — | — |
| 1981 | 41° | 14° | 28° | — | — |
| 1980 | 37° | 24° | 31° | — | — |
| 1979 | 26° | 15° | 21° | — | — |
| 1978 | 32° | 19° | 26° | 0.48" | 2.8" |
| 1977 | 35° | 23° | 29° | — | — |
| 1976 | 44° | 17° | 31° | — | — |
| 1975 | 31° | 11° | 21° | — | — |
| 1974 | 32° | 20° | 26° | — | — |
| 1973 | 36° | 32° | 34° | 1.19" | 2.1" |
| 1972 | 44° | 25° | 34° | — | — |
| 1971 | 27° | 12° | 19° | — | — |
56 years of data from LISLE - MORTON ARBORETUM