Weather on October 21
Racine, WI
55 Years of Data
Avg High
58°F
Avg Low
43°F
Warmest
2003
68°F avg
Coldest
1989
36°F avg
About This Date
October 21st in Racine, WI typically brings cool fall weather, with average highs around 58°F and lows near 43°F. Over 55 years of records, the warmest October 21st was in 2003 (68°F average), while the coldest was 1989 (36°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 40% of October 21st dates historically, with the wettest October 21st recording 1.88" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Racine, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 46° | 53° | 0.05" | — |
| 2024 | 80° | 56° | 68° | — | — |
| 2023 | 59° | 43° | 51° | — | — |
| 2022 | 60° | 40° | 50° | — | — |
| 2021 | 65° | 53° | 59° | — | — |
| 2020 | 49° | 40° | 44° | 0.2" | — |
| 2019 | 54° | 45° | 49° | — | — |
| 2018 | 48° | 26° | 37° | 0.03" | — |
| 2017 | 70° | 55° | 62° | — | — |
| 2016 | 62° | 43° | 52° | — | — |
| 2015 | 72° | 56° | 64° | 0.56" | — |
| 2014 | 58° | 46° | 52° | — | — |
| 2013 | 52° | 39° | 45° | — | — |
| 2012 | 53° | 38° | 45° | — | — |
| 2011 | 45° | 37° | 41° | 0.18" | — |
| 2010 | 70° | 39° | 54° | 0.1" | — |
| 2009 | 53° | 51° | 52° | 0.2" | — |
| 2008 | 55° | 38° | 46° | 0.46" | — |
| 2007 | 69° | 48° | 59° | — | — |
| 2006 | 51° | 38° | 44° | 0.03" | — |
| 2005 | 55° | 31° | 43° | — | — |
| 2004 | 38° | 35° | 36° | — | — |
| 2003warmest | 83° | 53° | 68° | — | — |
| 2002 | 47° | 33° | 40° | — | — |
| 2001 | 65° | 46° | 55° | — | — |
| 2000 | 77° | 55° | 66° | — | — |
| 1999 | 52° | 38° | 45° | — | — |
| 1998 | 56° | 40° | 48° | — | — |
| 1997 | 46° | 36° | 41° | — | — |
| 1996 | 53° | 39° | 46° | — | — |
| 1995 | 47° | 39° | 43° | 0.56" | — |
| 1994 | 63° | 42° | 52° | — | — |
| 1993 | 54° | 40° | 47° | 0.25" | — |
| 1992 | 51° | 38° | 44° | — | — |
| 1991 | 54° | 37° | 45° | — | — |
| 1990 | 57° | 50° | 54° | 0.05" | — |
| 1989coldest | 40° | 33° | 36° | 0.28" | — |
| 1988 | 51° | 38° | 44° | 0.38" | — |
| 1987 | 55° | 34° | 44° | — | — |
| 1986 | 65° | 54° | 59° | 0.03" | — |
| 1985 | 56° | 48° | 52° | 0.05" | — |
| 1984 | 56° | 40° | 48° | 0.99" | — |
| 1983 | 52° | 46° | 49° | 0.36" | — |
| 1982 | 44° | 31° | 37° | 0.03" | — |
| 1981 | 66° | 45° | 55° | — | — |
| 1980 | 55° | 41° | 48° | — | — |
| 1979 | 74° | 61° | 67° | 0.51" | — |
| 1978 | 64° | 46° | 55° | — | — |
| 1977 | 65° | 45° | 55° | — | — |
| 1976 | 45° | 31° | 38° | — | — |
| 1975 | 70° | 53° | 61° | — | — |
| 1974 | 54° | 31° | 42° | — | — |
| 1973 | 61° | 41° | 51° | — | — |
| 1972 | 48° | 39° | 44° | 1.88" | — |
| 1971 | 68° | 58° | 63° | 0.13" | — |
55 years of data from RACINE WWTP