Weather on March 27
Naperville, IL
55 Years of Data
Avg High
54°F
Avg Low
31°F
Warmest
1998
69°F avg
Coldest
2014
24°F avg
About This Date
March 27th in Naperville, IL typically brings cool spring weather, with average highs around 54°F and lows near 31°F. Over 56 years of records, the warmest March 27th was in 1998 (69°F average), while the coldest was 2014 (24°F) — a 45°F range across recorded history. Precipitation has occurred on 34% of recorded March 27th dates, with snow falling 4% of the time (heaviest snowfall: 3.2"). The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.
Planning for March 27th in Naperville, IL? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 73° | 31° | 52° | 1.22" | — |
| 2025 | 53° | 29° | 41° | — | — |
| 2024 | 53° | 26° | 40° | 0.18" | — |
| 2023 | 48° | 28° | 38° | 0.05" | — |
| 2022 | 31° | 21° | 26° | — | — |
| 2021 | 45° | 32° | 38° | — | — |
| 2020 | 51° | 36° | 43° | — | — |
| 2019 | 50° | 20° | 35° | — | — |
| 2018 | 54° | 28° | 41° | 1.73" | — |
| 2017 | 62° | 48° | 55° | 1.47" | — |
| 2016 | 57° | 28° | 43° | — | — |
| 2015 | 46° | 22° | 34° | 0.25" | 1.8" |
| 2014coldest | 39° | 9° | 24° | 0.2" | — |
| 2013 | 42° | 28° | 35° | — | — |
| 2012 | 47° | 37° | 42° | — | — |
| 2011 | 36° | 16° | 26° | — | — |
| 2010 | 46° | 26° | 36° | — | — |
| 2009 | 59° | 36° | 47° | — | — |
| 2008 | 53° | 27° | 40° | — | — |
| 2007 | 76° | 47° | 61° | — | — |
| 2006 | 50° | 21° | 36° | — | — |
| 2005 | 49° | 26° | 37° | — | — |
| 2004 | 68° | 43° | 55° | 0.13" | — |
| 2003 | 67° | 39° | 53° | — | — |
| 2002 | 50° | 19° | 35° | — | — |
| 2001 | 43° | 19° | 31° | — | — |
| 2000 | 66° | 38° | 52° | 0.25" | — |
| 1999 | 60° | 21° | 41° | — | — |
| 1998warmest | 79° | 60° | 69° | — | — |
| 1997 | 76° | 40° | 58° | — | — |
| 1996 | 41° | 10° | 26° | — | — |
| 1995 | 52° | 37° | 44° | 1.24" | — |
| 1994 | 54° | 35° | 44° | 0.91" | — |
| 1993 | 54° | 34° | 44° | — | — |
| 1992 | 47° | 26° | 36° | 0.05" | — |
| 1991 | 75° | 58° | 66° | 1.85" | — |
| 1990 | 51° | 17° | 34° | — | — |
| 1989 | 75° | 58° | 66° | — | — |
| 1988 | 59° | 25° | 42° | — | — |
| 1987 | 46° | 39° | 43° | — | — |
| 1986 | 75° | 28° | 52° | — | — |
| 1985 | 70° | 53° | 61° | — | — |
| 1984 | 44° | 33° | 39° | 0.15" | — |
| 1983 | 50° | 33° | 42° | 1.12" | — |
| 1982 | 39° | 17° | 28° | — | — |
| 1981 | 60° | 29° | 44° | 0.05" | — |
| 1980 | 50° | 33° | 42° | — | — |
| 1979 | 41° | 17° | 29° | — | — |
| 1978 | 43° | 31° | 37° | 0.2" | — |
| 1977 | 66° | 50° | 58° | — | — |
| 1976 | 72° | 38° | 55° | 2.39" | — |
| 1975 | 34° | 28° | 31° | — | — |
| 1974 | 49° | 31° | 40° | — | — |
| 1973 | 61° | 36° | 48° | — | — |
| 1972 | 44° | 30° | 37° | 0.69" | 3.2" |
| 1971 | 48° | 30° | 39° | — | — |
56 years of data from LISLE - MORTON ARBORETUM