Weather on June 18
Rockford, IL
55 Years of Data
Avg High
82°F
Avg Low
60°F
Warmest
1994
85°F avg
Coldest
1979
60°F avg
About This Date
June 18th in Rockford, IL typically brings warm summer weather, with average highs around 82°F and lows near 60°F. Over 55 years of records, the warmest June 18th was in 1994 (85°F average), while the coldest was 1979 (60°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 36% of June 18th dates historically, with the wettest June 18th recording 5.18" of rain. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Rockford, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 65° | 71° | 4.5" | — |
| 2024 | 94° | 74° | 84° | — | — |
| 2023 | 86° | 55° | 71° | — | — |
| 2022 | 80° | 52° | 66° | — | — |
| 2021 | 94° | 69° | 81° | 0.51" | — |
| 2020 | 88° | 59° | 73° | — | — |
| 2019 | 82° | 55° | 69° | — | — |
| 2018 | 91° | 71° | 81° | 5.03" | — |
| 2017 | 78° | 62° | 70° | — | — |
| 2016 | 87° | 59° | 73° | — | — |
| 2015 | 81° | 61° | 71° | 0.2" | — |
| 2014 | 79° | 65° | 72° | 1.7" | — |
| 2013 | 78° | 56° | 67° | — | — |
| 2012 | 93° | 71° | 82° | — | — |
| 2011 | 85° | 62° | 73° | — | — |
| 2010 | 86° | 66° | 76° | 3.86" | — |
| 2009 | 79° | 63° | 71° | 0.1" | — |
| 2008 | 78° | 55° | 67° | — | — |
| 2007 | 87° | 68° | 78° | 1.37" | — |
| 2006 | 78° | 66° | 72° | 0.23" | — |
| 2005 | 77° | 49° | 63° | — | — |
| 2004 | 77° | 60° | 69° | — | — |
| 2003 | 89° | 62° | 76° | 0.05" | — |
| 2002 | 83° | 58° | 70° | — | — |
| 2001 | 88° | 67° | 77° | 0.33" | — |
| 2000 | 74° | 51° | 62° | — | — |
| 1999 | 73° | 47° | 60° | — | — |
| 1998 | 84° | 62° | 73° | 3.76" | — |
| 1997 | 84° | 53° | 69° | — | — |
| 1996 | 73° | 66° | 70° | — | — |
| 1995 | 90° | 70° | 80° | 0.58" | — |
| 1994warmest | 99° | 71° | 85° | — | — |
| 1993 | 85° | 67° | 76° | 5.18" | — |
| 1992 | 81° | 62° | 71° | — | — |
| 1991 | 87° | 56° | 71° | — | — |
| 1990 | 83° | 63° | 73° | — | — |
| 1989 | 83° | 59° | 71° | — | — |
| 1988 | 90° | 59° | 74° | — | — |
| 1987 | 94° | 67° | 80° | — | — |
| 1986 | 82° | 55° | 69° | — | — |
| 1985 | 72° | 52° | 62° | — | — |
| 1984 | 86° | 66° | 76° | 1.73" | — |
| 1983 | 80° | 60° | 70° | — | — |
| 1982 | 68° | 56° | 62° | 0.66" | — |
| 1981 | 83° | 57° | 70° | — | — |
| 1980 | 80° | 50° | 65° | — | — |
| 1979coldest | 65° | 55° | 60° | 1.27" | — |
| 1978 | 78° | 58° | 68° | — | — |
| 1977 | 81° | 60° | 70° | — | — |
| 1976 | 78° | 58° | 68° | 0.03" | — |
| 1975 | 80° | 60° | 70° | 0.61" | — |
| 1974 | 81° | 50° | 65° | — | — |
| 1973 | 80° | 57° | 69° | — | — |
| 1972 | 76° | 48° | 62° | — | — |
| 1971 | 90° | 62° | 76° | 0.53" | — |
55 years of data from ROCKFORD GTR ROCKFORD AP