Weather on April 20
Rockford, IL
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
1985
72°F avg
Coldest
1981
37°F avg
About This Date
April 20th in Rockford, IL typically brings mild spring weather, with average highs around 62°F and lows near 40°F. Over 55 years of records, the warmest April 20th was in 1985 (72°F average), while the coldest was 1981 (37°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 55% of April 20th dates historically, with the wettest April 20th recording 6.22" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for April 20th in Rockford, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 36° | 48° | 1.02" | — |
| 2024 | 42° | 31° | 37° | — | — |
| 2023 | 76° | 46° | 61° | 0.3" | — |
| 2022 | 51° | 43° | 47° | 0.66" | — |
| 2021 | 44° | 36° | 40° | — | — |
| 2020 | 64° | 30° | 47° | 0.05" | — |
| 2019 | 68° | 32° | 50° | — | — |
| 2018 | 61° | 24° | 43° | — | — |
| 2017 | 66° | 49° | 57° | — | — |
| 2016 | 72° | 49° | 60° | 0.05" | — |
| 2015 | 51° | 41° | 46° | 0.36" | — |
| 2014 | 80° | 47° | 63° | — | — |
| 2013 | 47° | 28° | 38° | — | — |
| 2012 | 46° | 35° | 41° | 0.28" | — |
| 2011 | 45° | 32° | 38° | — | — |
| 2010 | 66° | 37° | 52° | — | — |
| 2009 | 54° | 38° | 46° | 0.28" | — |
| 2008 | 76° | 47° | 61° | — | — |
| 2007 | 71° | 36° | 53° | — | — |
| 2006 | 74° | 39° | 56° | — | — |
| 2005 | 69° | 45° | 57° | — | — |
| 2004 | 63° | 42° | 52° | 2.39" | — |
| 2003 | 63° | 47° | 55° | 0.03" | — |
| 2002 | 53° | 38° | 45° | 0.15" | — |
| 2001 | 79° | 50° | 64° | 0.41" | — |
| 2000 | 62° | 40° | 51° | 4.09" | — |
| 1999 | 53° | 33° | 43° | 0.53" | — |
| 1998 | 60° | 41° | 51° | 1.88" | — |
| 1997 | 60° | 34° | 47° | 0.03" | — |
| 1996 | 54° | 43° | 48° | 0.03" | — |
| 1995 | 52° | 41° | 46° | 0.05" | — |
| 1994 | 63° | 33° | 48° | 0.05" | — |
| 1993 | 47° | 34° | 40° | 0.58" | — |
| 1992 | 70° | 46° | 58° | 0.36" | — |
| 1991 | 55° | 35° | 45° | — | — |
| 1990 | 59° | 49° | 54° | 2.31" | — |
| 1989 | 68° | 37° | 53° | 0.13" | — |
| 1988 | 53° | 33° | 43° | 0.2" | — |
| 1987 | 89° | 56° | 72° | — | — |
| 1986 | 64° | 39° | 52° | — | — |
| 1985warmest | 87° | 58° | 72° | — | — |
| 1984 | 60° | 32° | 46° | — | — |
| 1983 | 56° | 26° | 41° | — | — |
| 1982 | 48° | 28° | 38° | — | — |
| 1981coldest | 46° | 29° | 37° | — | — |
| 1980 | 79° | 44° | 61° | — | — |
| 1979 | 68° | 50° | 59° | 0.25" | — |
| 1978 | 42° | 35° | 39° | 0.3" | — |
| 1977 | 78° | 59° | 69° | 0.18" | — |
| 1976 | 56° | 50° | 53° | 1.3" | — |
| 1975 | 50° | 32° | 41° | — | — |
| 1974 | 78° | 45° | 61° | 0.03" | — |
| 1973 | 79° | 60° | 69° | 6.22" | — |
| 1972 | 56° | 42° | 49° | — | — |
| 1971 | 80° | 51° | 66° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP