Weather on August 21
Racine, WI
55 Years of Data
Avg High
77°F
Avg Low
63°F
Warmest
1975
80°F avg
Coldest
2004
58°F avg
About This Date
August 21st in Racine, WI typically brings pleasant summer weather, with average highs around 77°F and lows near 63°F. Over 55 years of records, the warmest August 21st was in 1975 (80°F average), while the coldest was 2004 (58°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 21st dates historically, with the wettest August 21st recording 2.13" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Racine, WI? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 68° | 71° | — | — |
| 2024 | 69° | 56° | 62° | — | — |
| 2023 | 84° | 69° | 77° | — | — |
| 2022 | 77° | 66° | 72° | 0.1" | — |
| 2021 | 81° | 70° | 75° | — | — |
| 2020 | 83° | 64° | 73° | — | — |
| 2019 | 73° | 63° | 68° | 1.19" | — |
| 2018 | 76° | 68° | 72° | 0.91" | — |
| 2017 | 77° | 71° | 74° | — | — |
| 2016 | 78° | 59° | 69° | 2.13" | — |
| 2015 | 71° | 56° | 63° | — | — |
| 2014 | 79° | 67° | 73° | — | — |
| 2013 | 85° | 70° | 77° | — | — |
| 2012 | 73° | 57° | 65° | 0.13" | — |
| 2011 | 74° | 64° | 69° | 0.58" | — |
| 2010 | 81° | 67° | 74° | 1.14" | — |
| 2009 | 77° | 57° | 67° | 0.51" | — |
| 2008 | 73° | 71° | 72° | — | — |
| 2007 | 72° | 65° | 68° | 0.05" | — |
| 2006 | 72° | 58° | 65° | — | — |
| 2005 | 87° | 65° | 76° | — | — |
| 2004coldest | 67° | 49° | 58° | — | — |
| 2003 | 82° | 74° | 78° | — | — |
| 2002 | 71° | 62° | 67° | — | — |
| 2001 | 77° | 60° | 69° | — | — |
| 2000 | 70° | 66° | 68° | — | — |
| 1999 | 71° | 60° | 66° | — | — |
| 1998 | 87° | 64° | 76° | — | — |
| 1997 | 70° | 56° | 63° | 0.18" | — |
| 1996 | 80° | 63° | 71° | — | — |
| 1995 | 76° | 64° | 70° | — | — |
| 1994 | 73° | 60° | 67° | 0.48" | — |
| 1993 | 75° | 66° | 71° | — | — |
| 1992 | 71° | 57° | 64° | — | — |
| 1991 | 71° | 58° | 64° | — | — |
| 1990 | 69° | 66° | 68° | 0.05" | — |
| 1989 | 82° | 63° | 72° | — | — |
| 1988 | 73° | 63° | 68° | — | — |
| 1987 | 76° | 69° | 72° | — | — |
| 1986 | 75° | 60° | 68° | — | — |
| 1985 | 67° | 58° | 62° | — | — |
| 1984 | 75° | 64° | 70° | — | — |
| 1983 | 76° | 70° | 73° | — | — |
| 1982 | 82° | 64° | 73° | — | — |
| 1981 | 73° | 62° | 68° | — | — |
| 1980 | 78° | 59° | 69° | 0.48" | — |
| 1979 | 78° | 64° | 71° | 0.03" | — |
| 1978 | 75° | — | — | — | — |
| 1977 | 71° | 57° | 64° | 0.28" | — |
| 1976 | 83° | 66° | 74° | — | — |
| 1975warmest | 91° | 68° | 80° | — | — |
| 1974 | 77° | 61° | 69° | — | — |
| 1973 | 73° | 54° | 63° | — | — |
| 1972 | 90° | 63° | 76° | — | — |
| 1971 | 89° | 63° | 76° | — | — |
55 years of data from RACINE WWTP