Weather on August 27
Rockford, IL
55 Years of Data
Avg High
82°F
Avg Low
63°F
Warmest
2024
85°F avg
Coldest
1986
55°F avg
About This Date
August 27th in Rockford, IL typically brings warm summer weather, with average highs around 82°F and lows near 63°F. Over 55 years of records, the warmest August 27th was in 2024 (85°F average), while the coldest was 1986 (55°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 27th dates historically, with the wettest August 27th recording 6.17" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for August 27th in Rockford, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 49° | 61° | — | — |
| 2024warmest | 98° | 71° | 85° | 0.1" | — |
| 2023 | 77° | 59° | 68° | — | — |
| 2022 | 82° | 57° | 70° | — | — |
| 2021 | 91° | 72° | 81° | — | — |
| 2020 | 95° | 72° | 83° | — | — |
| 2019 | 80° | 60° | 70° | — | — |
| 2018 | 88° | 74° | 81° | — | — |
| 2017 | 73° | 59° | 66° | 0.74" | — |
| 2016 | 84° | 65° | 74° | 1.04" | — |
| 2015 | 74° | 51° | 62° | — | — |
| 2014 | 80° | 63° | 71° | — | — |
| 2013 | 94° | 72° | 83° | — | — |
| 2012 | 89° | 63° | 76° | — | — |
| 2011 | 85° | 63° | 74° | — | — |
| 2010 | 84° | 56° | 70° | — | — |
| 2009 | 63° | 56° | 59° | 4.37" | — |
| 2008 | 82° | 57° | 70° | — | — |
| 2007 | 80° | 60° | 70° | — | — |
| 2006 | 76° | 65° | 70° | — | — |
| 2005 | 82° | 63° | 72° | — | — |
| 2004 | 83° | 66° | 74° | 6.17" | — |
| 2003 | 89° | 61° | 75° | — | — |
| 2002 | 84° | 60° | 72° | — | — |
| 2001 | 83° | 61° | 72° | 0.03" | — |
| 2000 | 81° | 63° | 72° | — | — |
| 1999 | 85° | 59° | 72° | — | — |
| 1998 | 79° | 65° | 72° | 0.03" | — |
| 1997 | 84° | 68° | 76° | — | — |
| 1996 | 76° | 59° | 67° | — | — |
| 1995 | 88° | 69° | 78° | — | — |
| 1994 | 86° | 64° | 75° | — | — |
| 1993 | 89° | 71° | 80° | — | — |
| 1992 | 60° | 52° | 56° | 0.36" | — |
| 1991 | 93° | 67° | 80° | — | — |
| 1990 | 93° | 73° | 83° | — | — |
| 1989 | 84° | 65° | 74° | — | — |
| 1988 | 65° | 60° | 62° | 0.05" | — |
| 1987 | 64° | 60° | 62° | — | — |
| 1986coldest | 64° | 46° | 55° | — | — |
| 1985 | 78° | 54° | 66° | — | — |
| 1984 | 86° | 63° | 74° | 0.2" | — |
| 1983 | 81° | 72° | 76° | 1.57" | — |
| 1982 | 71° | 48° | 60° | — | — |
| 1981 | 80° | 69° | 75° | 0.03" | — |
| 1980 | 90° | 64° | 77° | — | — |
| 1979 | 75° | 61° | 68° | 1.55" | — |
| 1978 | 79° | 69° | 74° | 0.13" | — |
| 1977 | 90° | 74° | 82° | — | — |
| 1976 | 94° | 68° | 81° | — | — |
| 1975 | 80° | 57° | 69° | — | — |
| 1974 | 77° | 59° | 68° | 3.51" | — |
| 1973 | 94° | 71° | 82° | — | — |
| 1972 | 78° | 63° | 70° | — | — |
| 1971 | 76° | 55° | 65° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP