Weather on November 18
Rockford, IL
55 Years of Data
Avg High
47°F
Avg Low
31°F
Warmest
1991
57°F avg
Coldest
2014
14°F avg
About This Date
November 18th in Rockford, IL typically brings chilly fall weather, with average highs around 47°F and lows near 31°F. Over 55 years of records, the warmest November 18th was in 1991 (57°F average), while the coldest was 2014 (14°F) — a 43°F range across recorded history. Precipitation has occurred on 31% of recorded November 18th dates, with snow falling 4% of the time (heaviest snowfall: 3.2"). The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for November 18th in Rockford, 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 |
|---|---|---|---|---|---|
| 2025 | 42° | 37° | 40° | 0.56" | — |
| 2024 | 60° | 36° | 48° | 1.85" | — |
| 2023 | 54° | 20° | 37° | — | — |
| 2022 | 27° | 20° | 24° | — | — |
| 2021 | 38° | 29° | 34° | — | — |
| 2020 | 52° | 33° | 42° | — | — |
| 2019 | 37° | 33° | 35° | — | — |
| 2018 | 33° | 20° | 27° | — | — |
| 2017 | 43° | 33° | 38° | 0.2" | — |
| 2016 | 68° | 38° | 53° | 0.08" | — |
| 2015 | 61° | 46° | 53° | 0.84" | — |
| 2014coldest | 19° | 8° | 14° | — | — |
| 2013 | 42° | 29° | 36° | — | — |
| 2012 | 54° | 31° | 42° | — | — |
| 2011 | 51° | 25° | 38° | — | — |
| 2010 | 41° | 30° | 36° | — | — |
| 2009 | 46° | 42° | 44° | 0.36" | — |
| 2008 | 34° | 17° | 25° | — | — |
| 2007 | 46° | 31° | 38° | 0.03" | — |
| 2006 | 46° | 29° | 37° | — | — |
| 2005 | 39° | 22° | 30° | — | — |
| 2004 | 59° | 48° | 54° | 0.97" | — |
| 2003 | 58° | 42° | 50° | 0.81" | — |
| 2002 | 41° | 20° | 30° | 0.3" | — |
| 2001 | 66° | 47° | 56° | 0.03" | — |
| 2000 | 29° | 17° | 23° | — | — |
| 1999 | 70° | 38° | 54° | — | — |
| 1998 | 59° | 36° | 47° | — | — |
| 1997 | 39° | 22° | 30° | — | — |
| 1996 | 32° | 23° | 28° | — | — |
| 1995 | 35° | 32° | 34° | — | — |
| 1994 | 49° | 30° | 39° | — | — |
| 1993 | 45° | 24° | 34° | — | — |
| 1992 | 43° | 30° | 36° | — | — |
| 1991warmest | 65° | 50° | 57° | 0.3" | — |
| 1990 | 53° | 37° | 45° | — | — |
| 1989 | 24° | 11° | 17° | 0.03" | 0.4" |
| 1988 | 52° | 30° | 41° | — | — |
| 1987 | 42° | 29° | 35° | — | — |
| 1986 | 34° | 22° | 28° | 1.63" | 3.2" |
| 1985 | 60° | 50° | 55° | 1.91" | — |
| 1984 | 37° | 24° | 31° | — | — |
| 1983 | 54° | 33° | 43° | — | — |
| 1982 | 51° | 25° | 38° | 0.05" | — |
| 1981 | 52° | 30° | 41° | — | — |
| 1980 | 37° | 21° | 29° | — | — |
| 1979 | 68° | 37° | 53° | — | — |
| 1978 | 50° | 31° | 40° | — | — |
| 1977 | 43° | 32° | 37° | — | — |
| 1976 | 61° | 22° | 41° | — | — |
| 1975 | 67° | 39° | 53° | — | — |
| 1974 | 42° | 31° | 36° | — | — |
| 1973 | 59° | 39° | 49° | — | — |
| 1972 | 37° | 28° | 33° | — | — |
| 1971 | 58° | 41° | 49° | 1.12" | — |
55 years of data from ROCKFORD GTR ROCKFORD AP