Weather on August 30
Rockford, IL
55 Years of Data
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° | — | — |
Rockford, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Rockford, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rockford, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Rockford, IL
Rockford, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.