Weather on August 30
Rockford, IL
55 Years of Data
Avg High
80°F
Avg Low
59°F
Warmest
1991
81°F avg
Coldest
2009
58°F avg
About This Date
August 30th in Rockford, IL typically brings warm summer weather, with average highs around 80°F and lows near 59°F. Over 55 years of records, the warmest August 30th was in 1991 (81°F average), while the coldest was 2009 (58°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 30th dates historically, with the wettest August 30th recording 2.08" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 30th in Rockford, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 55° | 64° | — | — |
| 2024 | 80° | 60° | 70° | 2.08" | — |
| 2023 | 73° | 55° | 64° | — | — |
| 2022 | 79° | 61° | 70° | — | — |
| 2021 | 86° | 58° | 72° | — | — |
| 2020 | 82° | 58° | 70° | — | — |
| 2019 | 74° | 54° | 64° | — | — |
| 2018 | 76° | 55° | 65° | — | — |
| 2017 | 80° | 54° | 67° | — | — |
| 2016 | 84° | 68° | 76° | 0.36" | — |
| 2015 | 76° | 62° | 69° | — | — |
| 2014 | 81° | 66° | 73° | 0.08" | — |
| 2013 | 96° | 67° | 81° | 0.51" | — |
| 2012 | 93° | 63° | 78° | — | — |
| 2011 | 75° | 57° | 66° | 1.12" | — |
| 2010 | 87° | 69° | 78° | 0.03" | — |
| 2009coldest | 68° | 48° | 58° | — | — |
| 2008 | 84° | 52° | 68° | — | — |
| 2007 | 78° | 58° | 68° | — | — |
| 2006 | 79° | 59° | 69° | — | — |
| 2005 | 81° | 57° | 69° | — | — |
| 2004 | 78° | 52° | 65° | — | — |
| 2003 | 77° | 61° | 69° | — | — |
| 2002 | 82° | 59° | 71° | — | — |
| 2001 | 84° | 64° | 74° | — | — |
| 2000 | 82° | 63° | 72° | — | — |
| 1999 | 72° | 54° | 63° | — | — |
| 1998 | 80° | 60° | 70° | — | — |
| 1997 | 73° | 59° | 66° | 0.41" | — |
| 1996 | 81° | 55° | 68° | — | — |
| 1995 | 91° | 70° | 80° | — | — |
| 1994 | 65° | 57° | 61° | 0.46" | — |
| 1993 | 88° | 68° | 78° | 0.38" | — |
| 1992 | 72° | 55° | 63° | — | — |
| 1991warmest | 94° | 68° | 81° | — | — |
| 1990 | 81° | 57° | 69° | — | — |
| 1989 | 80° | 55° | 68° | — | — |
| 1988 | 79° | 48° | 63° | — | — |
| 1987 | 77° | 55° | 66° | — | — |
| 1986 | 75° | 48° | 62° | — | — |
| 1985 | 78° | 58° | 68° | — | — |
| 1984 | 81° | 54° | 67° | — | — |
| 1983 | 86° | 69° | 78° | 0.18" | — |
| 1982 | 72° | 63° | 67° | 0.36" | — |
| 1981 | 82° | 60° | 71° | — | — |
| 1980 | 76° | 66° | 71° | 0.33" | — |
| 1979 | 86° | 60° | 73° | — | — |
| 1978 | 82° | 56° | 69° | — | — |
| 1977 | 82° | 57° | 70° | — | — |
| 1976 | 81° | 48° | 64° | — | — |
| 1975 | 69° | 66° | 68° | 0.53" | — |
| 1974 | 81° | 50° | 65° | 0.05" | — |
| 1973 | 85° | 70° | 77° | — | — |
| 1972 | 86° | 63° | 74° | — | — |
| 1971 | 87° | 55° | 71° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP