Weather on March 15
Naperville, IL
55 Years of Data
Avg High
51°F
Avg Low
29°F
Warmest
2012
68°F avg
Coldest
1979
18°F avg
About This Date
March 15th in Naperville, IL typically brings cool spring weather, with average highs around 51°F and lows near 29°F. Over 56 years of records, the warmest March 15th was in 2012 (68°F average), while the coldest was 1979 (18°F) — a 50°F range across recorded history. Precipitation has occurred on 27% of recorded March 15th dates, with snow falling 2% of the time. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Naperville, IL? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 47° | 32° | 39° | — | — |
| 2025 | 79° | 48° | 63° | 1.32" | — |
| 2024 | 69° | 35° | 52° | 0.56" | — |
| 2023 | 37° | 17° | 27° | — | — |
| 2022 | 63° | 31° | 47° | — | — |
| 2021 | 47° | 33° | 40° | — | — |
| 2020 | 37° | 31° | 34° | — | — |
| 2019 | 64° | 37° | 51° | 0.58" | — |
| 2018 | 48° | 23° | 36° | — | — |
| 2017 | 28° | 14° | 21° | — | — |
| 2016 | 55° | 44° | 50° | 0.03" | — |
| 2015 | 60° | 30° | 45° | — | — |
| 2014 | 53° | 28° | 41° | — | — |
| 2013 | 36° | 22° | 29° | — | — |
| 2012warmest | 80° | 55° | 68° | — | — |
| 2011 | 45° | 25° | 35° | — | — |
| 2010 | 51° | 40° | 45° | — | — |
| 2009 | 59° | 20° | 39° | — | — |
| 2008 | 60° | 25° | 42° | — | — |
| 2007 | 41° | 28° | 35° | 0.46" | — |
| 2006 | 44° | 24° | 34° | — | — |
| 2005 | 42° | 19° | 31° | — | — |
| 2004 | 44° | 23° | 34° | — | — |
| 2003 | 56° | 27° | 41° | — | — |
| 2002 | 66° | 37° | 52° | 0.05" | — |
| 2001 | 51° | 36° | 43° | 0.23" | — |
| 2000 | 66° | 40° | 53° | — | — |
| 1999 | 46° | 18° | 32° | — | — |
| 1998 | 36° | 14° | 25° | — | — |
| 1997 | 28° | 12° | 20° | — | — |
| 1996 | 62° | 26° | 44° | — | — |
| 1995 | 75° | 38° | 56° | — | — |
| 1994 | 52° | 35° | 43° | — | — |
| 1993 | 47° | 9° | 28° | — | — |
| 1992 | 38° | 20° | 29° | — | — |
| 1991 | 46° | 25° | 35° | — | — |
| 1990 | 66° | 52° | 59° | 0.33" | — |
| 1989 | 55° | 19° | 37° | 2.13" | — |
| 1988 | 30° | 16° | 23° | — | — |
| 1987 | 38° | 31° | 34° | 0.2" | — |
| 1986 | 44° | 35° | 40° | — | — |
| 1985 | 50° | 22° | 36° | — | — |
| 1984 | 49° | 32° | 40° | 0.18" | — |
| 1983 | 51° | 25° | 38° | — | — |
| 1982 | 44° | 34° | 39° | — | — |
| 1981 | 63° | 32° | 47° | — | — |
| 1980 | 43° | 20° | 31° | — | — |
| 1979coldest | 27° | 9° | 18° | — | — |
| 1978 | 38° | 32° | 35° | 0.03" | — |
| 1977 | 69° | 48° | 59° | — | — |
| 1976 | 46° | 24° | 35° | — | — |
| 1975 | 46° | 14° | 30° | — | — |
| 1974 | 44° | 35° | 40° | 0.15" | — |
| 1973 | 70° | 47° | 58° | — | — |
| 1972 | 40° | 24° | 32° | 0.15" | — |
| 1971 | 62° | 35° | 49° | 0.58" | 0.2" |
56 years of data from LISLE - MORTON ARBORETUM