Weather on March 15
Joliet, IL
55 Years of Data
Avg High
50°F
Avg Low
30°F
Warmest
2012
65°F avg
Coldest
1993
17°F avg
About This Date
March 15th in Joliet, IL typically brings cool spring weather, with average highs around 50°F and lows near 30°F. Over 54 years of records, the warmest March 15th was in 2012 (65°F average), while the coldest was 1993 (17°F) — a 48°F range across recorded history. Rain or other precipitation has occurred on about 33% of March 15th dates historically, with the wettest March 15th recording 1.35" of rain. The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Joliet, IL? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 47° | 32° | 39° | — | — |
| 2025 | 74° | 51° | 63° | 0.99" | — |
| 2024 | 67° | 39° | 53° | — | — |
| 2023 | 36° | 21° | 28° | — | — |
| 2022 | 61° | 35° | 48° | — | — |
| 2021 | 54° | 40° | 47° | — | — |
| 2020 | — | 32° | — | 0.15" | — |
| 2019 | 63° | 36° | 49° | 0.91" | — |
| 2018 | 48° | 21° | 35° | — | — |
| 2017 | 28° | 15° | 22° | 0.25" | — |
| 2016 | 55° | 45° | 50° | — | — |
| 2015 | 63° | 31° | 47° | — | — |
| 2014 | 53° | 32° | 43° | — | — |
| 2013 | 34° | 22° | 28° | — | — |
| 2012warmest | 79° | 51° | 65° | — | — |
| 2011 | 48° | 31° | 39° | — | — |
| 2010 | 50° | 41° | 46° | — | — |
| 2009 | 51° | 24° | 38° | — | — |
| 2008 | 58° | 32° | 45° | — | — |
| 2007 | 65° | 33° | 49° | 1.22" | — |
| 2006 | 42° | 25° | 33° | — | — |
| 2005 | 38° | 20° | 29° | — | — |
| 2004 | 46° | 29° | 37° | — | — |
| 2003 | 55° | 26° | 41° | — | — |
| 2002 | 63° | 40° | 51° | — | — |
| 2001 | 51° | 31° | 41° | 0.74" | — |
| 2000 | 55° | 28° | 42° | 0.1" | — |
| 1999 | 41° | 23° | 32° | — | — |
| 1998 | 32° | 22° | 27° | — | — |
| 1997 | 32° | 14° | 23° | — | — |
| 1996 | 63° | 31° | 47° | — | — |
| 1995 | 75° | 46° | 61° | — | — |
| 1994 | 53° | 32° | 43° | — | — |
| 1993coldest | 25° | 10° | 17° | — | — |
| 1992 | 34° | 25° | 29° | 0.03" | — |
| 1991 | 40° | 28° | 34° | — | — |
| 1990 | 68° | 61° | 64° | 0.46" | — |
| 1989 | 62° | 31° | 46° | 0.13" | — |
| 1988 | 28° | 18° | 23° | — | — |
| 1987 | 47° | 30° | 38° | 0.13" | — |
| 1986 | 47° | 33° | 40° | 0.03" | — |
| 1985 | 46° | 27° | 36° | — | — |
| 1984 | 41° | 30° | 36° | 0.13" | — |
| 1983 | 46° | 28° | 37° | — | — |
| 1982 | 52° | 31° | 41° | 0.41" | — |
| 1981 | 50° | 24° | 37° | — | — |
| 1980 | 42° | 19° | 31° | — | — |
| 1979 | 35° | 7° | 21° | — | — |
| 1978 | 40° | 30° | 35° | 0.03" | — |
| 1977 | 65° | 44° | 54° | — | — |
| 1976 | 51° | 23° | 37° | — | — |
| 1974 | 45° | 29° | 37° | 0.33" | — |
| 1972 | 40° | 28° | 34° | 0.08" | — |
| 1971 | 64° | 39° | 52° | 1.35" | — |
54 years of data from JOLIET