Weather on August 14
Joliet, IL
55 Years of Data
Avg High
82°F
Avg Low
62°F
Warmest
1995
86°F avg
Coldest
2004
61°F avg
About This Date
August 14th in Joliet, IL typically brings warm summer weather, with average highs around 82°F and lows near 62°F. Over 53 years of records, the warmest August 14th was in 1995 (86°F average), while the coldest was 2004 (61°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 14th dates historically, with the wettest August 14th recording 1.52" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for August 14th in Joliet, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 62° | 74° | — | — |
| 2024 | 83° | 60° | 71° | — | — |
| 2023 | 84° | 59° | 72° | — | — |
| 2022 | 77° | 62° | 70° | — | — |
| 2021 | 83° | 62° | 72° | — | — |
| 2020 | 85° | 67° | 76° | — | — |
| 2019 | 85° | 64° | 74° | — | — |
| 2018 | 88° | 63° | 75° | — | — |
| 2017 | 75° | 56° | 65° | — | — |
| 2016 | 83° | 65° | 74° | — | — |
| 2015 | 83° | 64° | 73° | — | — |
| 2014 | 81° | 56° | 68° | 0.03" | — |
| 2013 | 72° | 54° | 63° | — | — |
| 2012 | 66° | 58° | 62° | 1.27" | — |
| 2011 | 83° | 62° | 72° | 0.97" | — |
| 2010 | 90° | 71° | 80° | 1.52" | — |
| 2009 | 84° | 56° | 70° | — | — |
| 2008 | 80° | 62° | 71° | — | — |
| 2007 | 89° | 66° | 78° | 0.89" | — |
| 2006 | 81° | 61° | 71° | — | — |
| 2005 | 74° | 66° | 70° | 1.14" | — |
| 2004coldest | 71° | 51° | 61° | — | — |
| 2003 | 84° | 68° | 76° | — | — |
| 2002 | 83° | 68° | 75° | 1.45" | — |
| 2001 | 78° | 58° | 68° | — | — |
| 2000 | 80° | 66° | 73° | — | — |
| 1999 | 78° | 59° | 69° | — | — |
| 1998 | 82° | 64° | 73° | — | — |
| 1997 | 78° | 58° | 68° | 0.03" | — |
| 1996 | 83° | 63° | 73° | 0.03" | — |
| 1995warmest | 95° | 77° | 86° | — | — |
| 1994 | 80° | 60° | 70° | 0.56" | — |
| 1993 | 85° | 69° | 77° | — | — |
| 1992 | 72° | 54° | 63° | — | — |
| 1991 | 86° | 62° | 74° | — | — |
| 1990 | 75° | 54° | 64° | — | — |
| 1989 | 84° | 59° | 72° | 0.05" | — |
| 1988 | 91° | 75° | 83° | 1.52" | — |
| 1986 | 85° | 59° | 72° | — | — |
| 1985 | 84° | 66° | 75° | — | — |
| 1984 | 87° | 60° | 74° | — | — |
| 1983 | 82° | 56° | 69° | — | — |
| 1982 | 79° | 56° | 67° | — | — |
| 1981 | 84° | 67° | 75° | — | — |
| 1980 | 83° | 62° | 72° | 1.17" | — |
| 1979 | 76° | 57° | 66° | 0.1" | — |
| 1978 | 86° | 64° | 75° | — | — |
| 1977 | 82° | 62° | 72° | — | — |
| 1976 | 87° | 66° | 77° | — | — |
| 1974 | 85° | 63° | 74° | — | — |
| 1973 | 85° | 68° | 76° | 0.15" | — |
| 1972 | 92° | 73° | 82° | — | — |
| 1971 | 90° | 66° | 78° | 0.33" | — |
53 years of data from JOLIET