Weather on April 17
Rockford, IL
55 Years of Data
Avg High
63°F
Avg Low
39°F
Warmest
1976
73°F avg
Coldest
1983
31°F avg
About This Date
April 17th in Rockford, IL typically brings mild spring weather, with average highs around 63°F and lows near 39°F. Over 55 years of records, the warmest April 17th was in 1976 (73°F average), while the coldest was 1983 (31°F) — a 42°F range across recorded history. Precipitation has occurred on 31% of recorded April 17th dates, with snow falling 7% of the time (heaviest snowfall: 3"). The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for April 17th in Rockford, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 41° | 51° | 0.56" | — |
| 2024 | 66° | 47° | 56° | 0.43" | — |
| 2023 | 40° | 30° | 35° | 0.05" | 0.5" |
| 2022 | 47° | 22° | 35° | 0.15" | 0.3" |
| 2021 | 63° | 35° | 49° | — | — |
| 2020 | 47° | 33° | 40° | 0.51" | 3" |
| 2019 | 75° | 49° | 62° | 0.03" | — |
| 2018 | 44° | 27° | 36° | — | — |
| 2017 | 72° | 42° | 57° | — | — |
| 2016 | 82° | 49° | 65° | — | — |
| 2015 | 79° | 45° | 62° | — | — |
| 2014 | 58° | 40° | 49° | — | — |
| 2013 | 50° | 41° | 46° | 7.77" | — |
| 2012 | 59° | 35° | 47° | — | — |
| 2011 | 53° | 35° | 44° | 0.25" | — |
| 2010 | 62° | 37° | 50° | — | — |
| 2009 | 72° | 34° | 53° | — | — |
| 2008 | 76° | 49° | 62° | — | — |
| 2007 | 71° | 39° | 55° | — | — |
| 2006 | 62° | 43° | 52° | — | — |
| 2005 | 76° | 53° | 64° | 0.03" | — |
| 2004 | 79° | 54° | 66° | 0.2" | — |
| 2003 | 46° | 38° | 42° | — | — |
| 2002 | 81° | 63° | 72° | — | — |
| 2001 | 50° | 29° | 39° | 0.03" | 0.1" |
| 2000 | 45° | 38° | 41° | — | — |
| 1999 | 52° | 41° | 46° | — | — |
| 1998 | 55° | 29° | 42° | — | — |
| 1997 | 52° | 28° | 40° | — | — |
| 1996 | 67° | 30° | 48° | — | — |
| 1995 | 65° | 42° | 53° | — | — |
| 1994 | 68° | 41° | 55° | — | — |
| 1993 | 60° | 28° | 44° | — | — |
| 1992 | 46° | 39° | 43° | 0.03" | — |
| 1991 | 63° | 39° | 51° | — | — |
| 1990 | 46° | 27° | 36° | — | — |
| 1989 | 56° | 35° | 45° | 0.03" | — |
| 1988 | 75° | 37° | 56° | — | — |
| 1987 | 75° | 41° | 58° | — | — |
| 1986 | 63° | 35° | 49° | — | — |
| 1985 | 82° | 38° | 60° | — | — |
| 1984 | 53° | 35° | 44° | — | — |
| 1983coldest | 38° | 24° | 31° | — | — |
| 1982 | 58° | 44° | 51° | — | — |
| 1981 | 80° | 55° | 68° | — | — |
| 1980 | 59° | 31° | 45° | — | — |
| 1979 | 62° | 31° | 46° | — | — |
| 1978 | 56° | 28° | 42° | 0.13" | — |
| 1977 | 86° | 53° | 70° | — | — |
| 1976warmest | 84° | 63° | 73° | 0.1" | — |
| 1975 | 75° | 43° | 59° | 0.03" | — |
| 1974 | 66° | 35° | 51° | — | — |
| 1973 | 63° | 33° | 48° | — | — |
| 1972 | 72° | 35° | 53° | — | — |
| 1971 | 69° | 47° | 58° | 0.05" | — |
55 years of data from ROCKFORD GTR ROCKFORD AP