Weather on March 9
Naperville, IL
55 Years of Data
Avg High
47°F
Avg Low
26°F
Warmest
2016
64°F avg
Coldest
2003
16°F avg
About This Date
March 9th in Naperville, IL typically brings chilly spring weather, with average highs around 47°F and lows near 26°F. Over 56 years of records, the warmest March 9th was in 2016 (64°F average), while the coldest was 2003 (16°F) — a 48°F range across recorded history. Precipitation has occurred on 32% of recorded March 9th dates, with snow falling 7% of the time (heaviest snowfall: 5.5"). The last decade has been 9.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.3°F warmer on this date compared to 20-30 years ago.
Planning for March 9th in Naperville, IL? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | — | 34° | — | 0.05" | — |
| 2025 | 49° | 26° | 37° | — | — |
| 2024 | 42° | 35° | 39° | 2.67" | — |
| 2023 | 45° | 35° | 40° | — | — |
| 2022 | 40° | 24° | 32° | — | — |
| 2021 | 64° | 34° | 49° | — | — |
| 2020 | 66° | 40° | 53° | 0.25" | — |
| 2019 | 40° | 25° | 32° | — | — |
| 2018 | 35° | 16° | 25° | — | — |
| 2017 | 52° | 25° | 38° | — | — |
| 2016warmest | 72° | 57° | 64° | 0.38" | — |
| 2015 | — | 20° | — | — | — |
| 2014 | 30° | 15° | 23° | — | — |
| 2013 | 41° | 17° | 29° | 0.08" | — |
| 2012 | 46° | 28° | 37° | — | — |
| 2011 | 48° | 31° | 39° | 1.09" | — |
| 2010 | 45° | 28° | 36° | — | — |
| 2009 | 50° | 33° | 42° | 2.82" | — |
| 2008 | 28° | 13° | 20° | — | — |
| 2007 | 56° | 31° | 43° | — | — |
| 2006 | 56° | 46° | 51° | 0.79" | — |
| 2005 | 32° | 12° | 22° | — | — |
| 2004 | 40° | 24° | 32° | — | — |
| 2003coldest | 27° | 6° | 16° | 0.18" | — |
| 2002 | 66° | 21° | 44° | 1.91" | — |
| 2001 | 43° | 20° | 31° | — | — |
| 2000 | 76° | 40° | 58° | — | — |
| 1999 | 34° | 26° | 30° | 1.55" | 5.5" |
| 1998 | 38° | 25° | 31° | 2.82" | 5.2" |
| 1997 | 49° | 20° | 34° | — | — |
| 1996 | 30° | 6° | 18° | — | — |
| 1995 | 35° | 10° | 23° | — | — |
| 1994 | 39° | 22° | 30° | — | — |
| 1993 | 45° | 32° | 38° | — | — |
| 1992 | 62° | 54° | 58° | — | — |
| 1991 | 47° | 30° | 38° | — | — |
| 1990 | 52° | 38° | 45° | 2.74" | — |
| 1989 | 46° | 20° | 33° | — | — |
| 1988 | 49° | 35° | 42° | 0.46" | — |
| 1987 | 66° | 26° | 46° | — | — |
| 1986 | 64° | 33° | 49° | 0.15" | — |
| 1985 | 56° | 29° | 42° | — | — |
| 1984 | — | 2° | — | — | — |
| 1983 | 34° | 26° | 30° | 0.1" | 0.4" |
| 1982 | 30° | 6° | 18° | 0.15" | 0.8" |
| 1981 | 48° | 22° | 35° | — | — |
| 1980 | 41° | 17° | 29° | — | — |
| 1979 | 37° | 30° | 34° | — | — |
| 1978 | 41° | 4° | 22° | — | — |
| 1977 | 68° | 45° | 56° | — | — |
| 1976 | 50° | 24° | 37° | — | — |
| 1975 | 33° | 8° | 21° | — | — |
| 1974 | 62° | 43° | 52° | — | — |
| 1973 | 55° | 36° | 45° | 0.18" | — |
| 1972 | 34° | 18° | 26° | — | — |
| 1971 | 34° | 9° | 21° | — | — |
56 years of data from LISLE - MORTON ARBORETUM