Weather on October 17
Rockford, IL
55 Years of Data
Avg High
62°F
Avg Low
39°F
Warmest
2016
76°F avg
Coldest
1976
36°F avg
About This Date
October 17th in Rockford, IL typically brings mild fall weather, with average highs around 62°F and lows near 39°F. Over 55 years of records, the warmest October 17th was in 2016 (76°F average), while the coldest was 1976 (36°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 29% of October 17th dates historically, with the wettest October 17th recording 5.11" of rain. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Rockford, IL? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 57° | 69° | — | — |
| 2024 | 66° | 27° | 47° | — | — |
| 2023 | 64° | 32° | 48° | — | — |
| 2022 | 42° | 34° | 38° | — | — |
| 2021 | 68° | 35° | 52° | — | — |
| 2020 | 64° | 34° | 49° | — | — |
| 2019 | 57° | 37° | 47° | — | — |
| 2018 | 51° | 32° | 42° | — | — |
| 2017 | 73° | 43° | 58° | — | — |
| 2016warmest | 84° | 68° | 76° | — | — |
| 2015 | 55° | 28° | 42° | — | — |
| 2014 | 58° | 47° | 52° | 0.03" | — |
| 2013 | 56° | 40° | 48° | 0.64" | — |
| 2012 | 70° | 51° | 60° | 2.06" | — |
| 2011 | 57° | 38° | 47° | — | — |
| 2010 | 67° | 45° | 56° | — | — |
| 2009 | 51° | 31° | 41° | — | — |
| 2008 | 54° | 36° | 45° | — | — |
| 2007 | 71° | 47° | 59° | 0.23" | — |
| 2006 | 58° | 49° | 53° | 1.73" | — |
| 2005 | 74° | 44° | 59° | 0.2" | — |
| 2004 | 56° | 28° | 42° | — | — |
| 2003 | 57° | 29° | 43° | — | — |
| 2002 | 44° | 31° | 37° | 0.15" | — |
| 2001 | 52° | 28° | 40° | — | — |
| 2000 | 63° | 39° | 51° | — | — |
| 1999 | 52° | 33° | 42° | — | — |
| 1998 | 69° | 61° | 65° | 5.11" | — |
| 1997 | 57° | 32° | 45° | — | — |
| 1996 | 68° | 43° | 55° | 1.17" | — |
| 1995 | 77° | 45° | 61° | — | — |
| 1994 | 77° | 60° | 69° | 0.03" | — |
| 1993 | 61° | 38° | 49° | 0.15" | — |
| 1992 | 49° | 24° | 36° | — | — |
| 1991 | 76° | 41° | 58° | — | — |
| 1990 | 77° | 43° | 60° | 0.94" | — |
| 1989 | 44° | 36° | 40° | — | — |
| 1988 | 61° | 44° | 52° | 0.91" | — |
| 1987 | 52° | 35° | 43° | — | — |
| 1986 | 54° | 37° | 45° | — | — |
| 1985 | 72° | 41° | 56° | — | — |
| 1984 | 59° | 39° | 49° | — | — |
| 1983 | 57° | 33° | 45° | — | — |
| 1982 | 61° | 37° | 49° | 0.13" | — |
| 1981 | 66° | 43° | 54° | 3.45" | — |
| 1980 | 72° | 45° | 58° | 0.15" | — |
| 1979 | 69° | 49° | 59° | — | — |
| 1978 | 57° | 28° | 43° | — | — |
| 1977 | 64° | 30° | 47° | — | — |
| 1976coldest | 47° | 25° | 36° | — | — |
| 1975 | 59° | 40° | 49° | — | — |
| 1974 | 67° | 42° | 54° | — | — |
| 1973 | 54° | 33° | 43° | — | — |
| 1972 | 45° | 32° | 38° | — | — |
| 1971 | 77° | 53° | 65° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP