Weather on April 21
Racine, WI
55 Years of Data
Avg High
54°F
Avg Low
39°F
Warmest
1985
62°F avg
Coldest
1978
35°F avg
About This Date
April 21st in Racine, WI typically brings cool spring weather, with average highs around 54°F and lows near 39°F. Over 55 years of records, the warmest April 21st was in 1985 (62°F average), while the coldest was 1978 (35°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 55% of April 21st dates historically, with the wettest April 21st recording 4.11" of rain. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for April 21st in Racine, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 43° | 50° | 0.64" | — |
| 2024 | 55° | 32° | 44° | — | — |
| 2023 | 68° | 41° | 55° | 0.23" | — |
| 2022 | 51° | 40° | 45° | 0.66" | — |
| 2021 | 39° | 32° | 36° | — | — |
| 2020 | 58° | 30° | 44° | 0.23" | — |
| 2019 | 58° | 43° | 50° | — | — |
| 2018 | 45° | 34° | 39° | — | — |
| 2017 | 65° | 40° | 52° | 0.03" | — |
| 2016 | 52° | 45° | 48° | 0.3" | — |
| 2015 | 50° | 38° | 44° | 0.03" | — |
| 2014 | 63° | 42° | 52° | — | — |
| 2013 | 48° | 36° | 42° | — | — |
| 2012 | 44° | 35° | 40° | — | — |
| 2011 | 42° | 33° | 38° | — | — |
| 2010 | 51° | 42° | 47° | — | — |
| 2009 | 46° | 35° | 41° | 0.3" | — |
| 2008 | 60° | 41° | 51° | — | — |
| 2007 | 53° | 43° | 48° | — | — |
| 2006 | 58° | 49° | 53° | — | — |
| 2005 | 48° | 39° | 44° | 0.03" | — |
| 2004 | 59° | 43° | 51° | 1.42" | — |
| 2003 | 67° | 47° | 57° | — | — |
| 2002 | 44° | 37° | 41° | 0.08" | — |
| 2001 | 68° | 44° | 56° | 1.04" | — |
| 2000 | 49° | 38° | 43° | 4.11" | — |
| 1999 | 47° | 43° | 45° | 0.3" | — |
| 1998 | 53° | 44° | 49° | 1.35" | — |
| 1997 | 53° | 37° | 45° | 0.99" | — |
| 1996 | 70° | 39° | 54° | — | — |
| 1995 | 40° | 38° | 39° | 0.2" | — |
| 1994 | 55° | 40° | 47° | — | — |
| 1993 | 39° | 32° | 36° | — | — |
| 1992 | 55° | 43° | 49° | — | — |
| 1991 | 42° | 28° | 35° | — | — |
| 1990 | 52° | 41° | 46° | 0.79" | — |
| 1989 | 59° | 40° | 49° | 0.1" | — |
| 1988 | 52° | 28° | 40° | 0.05" | — |
| 1987 | 64° | 46° | 55° | — | — |
| 1986 | 54° | 36° | 45° | 0.61" | — |
| 1985warmest | 74° | 50° | 62° | 0.03" | — |
| 1984 | 49° | 38° | 43° | — | — |
| 1983 | 48° | 36° | 42° | — | — |
| 1982 | 40° | 30° | 35° | — | — |
| 1981 | 42° | 33° | 38° | — | — |
| 1980 | 60° | 47° | 53° | — | — |
| 1979 | 58° | 45° | 51° | 0.05" | — |
| 1978coldest | 38° | 32° | 35° | 0.13" | — |
| 1977 | 68° | 49° | 58° | 0.05" | — |
| 1976 | 52° | 46° | 49° | 0.43" | — |
| 1975 | 45° | 30° | 37° | 0.38" | — |
| 1974 | 70° | 51° | 60° | 0.38" | — |
| 1973 | 67° | 55° | 61° | 3.05" | — |
| 1972 | 45° | 35° | 40° | 0.15" | — |
| 1971 | 57° | 37° | 47° | — | — |
55 years of data from RACINE WWTP