Weather on June 21
Rockford, IL
55 Years of Data
Avg High
83°F
Avg Low
61°F
Warmest
1988
86°F avg
Coldest
1992
54°F avg
About This Date
June 21st in Rockford, IL typically brings warm summer weather, with average highs around 83°F and lows near 61°F. Over 55 years of records, the warmest June 21st was in 1988 (86°F average), while the coldest was 1992 (54°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 36% of June 21st dates historically, with the wettest June 21st recording 5.99" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Rockford, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 74° | 83° | — | — |
| 2024 | 92° | 68° | 80° | 0.03" | — |
| 2023 | 90° | 59° | 74° | — | — |
| 2022 | 100° | 66° | 83° | — | — |
| 2021 | 74° | 53° | 63° | — | — |
| 2020 | 88° | 65° | 76° | — | — |
| 2019 | 74° | 54° | 64° | — | — |
| 2018 | 65° | 63° | 64° | 5.99" | — |
| 2017 | 80° | 53° | 67° | — | — |
| 2016 | 84° | 59° | 72° | — | — |
| 2015 | 86° | 63° | 74° | — | — |
| 2014 | 83° | 63° | 73° | 1.83" | — |
| 2013 | 79° | 67° | 73° | 1.98" | — |
| 2012 | 86° | 66° | 76° | — | — |
| 2011 | 87° | 69° | 78° | 1.09" | — |
| 2010 | 84° | 65° | 74° | 0.05" | — |
| 2009 | 84° | 68° | 76° | — | — |
| 2008 | 83° | 59° | 71° | — | — |
| 2007 | 86° | 58° | 72° | 0.48" | — |
| 2006 | 84° | 67° | 75° | 0.84" | — |
| 2005 | 91° | 61° | 76° | — | — |
| 2004 | 68° | 57° | 63° | 3.07" | — |
| 2003 | 83° | 49° | 66° | — | — |
| 2002 | 88° | 70° | 79° | — | — |
| 2001 | 74° | 57° | 65° | 0.28" | — |
| 2000 | 79° | 65° | 72° | — | — |
| 1999 | 82° | 60° | 71° | — | — |
| 1998 | 82° | 66° | 74° | 0.3" | — |
| 1997 | 79° | 69° | 74° | 1.3" | — |
| 1996 | 86° | 67° | 76° | 0.08" | — |
| 1995 | 92° | 71° | 81° | — | — |
| 1994 | 88° | 68° | 78° | — | — |
| 1993 | 85° | 61° | 73° | — | — |
| 1992coldest | 69° | 39° | 54° | — | — |
| 1991 | 91° | 62° | 77° | 1.52" | — |
| 1990 | 80° | 58° | 69° | — | — |
| 1989 | 88° | 60° | 74° | — | — |
| 1988warmest | 100° | 71° | 86° | — | — |
| 1987 | 83° | 67° | 75° | 0.3" | — |
| 1986 | 91° | 65° | 78° | — | — |
| 1985 | 86° | 64° | 75° | 0.86" | — |
| 1984 | 86° | 60° | 73° | 3.1" | — |
| 1983 | 90° | 69° | 79° | — | — |
| 1982 | 77° | 50° | 64° | 0.23" | — |
| 1981 | 74° | 58° | 66° | 2.03" | — |
| 1980 | 80° | 51° | 66° | — | — |
| 1979 | 84° | 63° | 73° | — | — |
| 1978 | 76° | 52° | 64° | — | — |
| 1977 | 77° | 53° | 65° | — | — |
| 1976 | 79° | 51° | 65° | — | — |
| 1975 | 90° | 65° | 77° | — | — |
| 1974 | 82° | 67° | 74° | 1.63" | — |
| 1973 | 76° | 57° | 66° | — | — |
| 1972 | 68° | 50° | 59° | — | — |
| 1971 | 80° | 63° | 71° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP