Weather on October 21
Cedar Rapids, IA
55 Years of Data
Avg High
64°F
Avg Low
41°F
Warmest
1979
73°F avg
Coldest
1976
36°F avg
About This Date
October 21st in Cedar Rapids, IA typically brings mild fall weather, with average highs around 64°F and lows near 41°F. Over 55 years of records, the warmest October 21st was in 1979 (73°F average), while the coldest was 1976 (36°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 31% of October 21st dates historically, with the wettest October 21st recording 1.96" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 21st in Cedar Rapids, IA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 45° | 55° | 0.08" | — |
| 2024 | 81° | 44° | 62° | — | — |
| 2023 | 67° | 44° | 55° | — | — |
| 2022 | 82° | 34° | 58° | — | — |
| 2021 | 67° | 42° | 54° | 0.33" | — |
| 2020 | 52° | 30° | 41° | 0.05" | — |
| 2019 | 60° | 50° | 55° | 1.96" | — |
| 2018 | 54° | 23° | 38° | — | — |
| 2017 | 78° | 60° | 69° | — | — |
| 2016 | 56° | 29° | 42° | — | — |
| 2015 | 68° | 57° | 63° | 0.46" | — |
| 2014 | 66° | 35° | 51° | — | — |
| 2013 | 57° | 34° | 45° | — | — |
| 2012 | 70° | 36° | 53° | — | — |
| 2011 | 61° | 28° | 44° | — | — |
| 2010 | 69° | 38° | 53° | — | — |
| 2009 | 72° | 56° | 64° | 0.03" | — |
| 2008 | 57° | 29° | 43° | — | — |
| 2007 | 75° | 57° | 66° | — | — |
| 2006 | 50° | 38° | 44° | 1.63" | — |
| 2005 | 60° | 36° | 48° | — | — |
| 2004 | 60° | 48° | 54° | — | — |
| 2003 | 81° | 50° | 65° | — | — |
| 2002 | 60° | 38° | 49° | — | — |
| 2001 | 70° | 46° | 58° | — | — |
| 2000 | 76° | 47° | 61° | — | — |
| 1999 | 74° | 39° | 56° | — | — |
| 1998 | 60° | 35° | 48° | — | — |
| 1997 | 49° | 31° | 40° | — | — |
| 1996 | 64° | 48° | 56° | 0.76" | — |
| 1995 | 48° | 37° | 43° | 0.05" | — |
| 1994 | 76° | 44° | 60° | — | — |
| 1993 | 58° | 35° | 46° | — | — |
| 1992 | 61° | 32° | 46° | — | — |
| 1991 | 71° | 42° | 57° | — | — |
| 1990 | 54° | 42° | 48° | 0.58" | — |
| 1989 | 67° | 33° | 50° | — | — |
| 1988 | 54° | 42° | 48° | 0.38" | — |
| 1987 | 48° | 28° | 38° | — | — |
| 1986 | 76° | 49° | 62° | — | — |
| 1985 | 55° | 51° | 53° | 0.03" | — |
| 1984 | 55° | 42° | 49° | 0.56" | — |
| 1983 | 52° | 44° | 48° | 0.1" | — |
| 1982 | 49° | 29° | 39° | — | — |
| 1981 | 57° | 39° | 48° | 0.05" | — |
| 1980 | 62° | 41° | 52° | — | — |
| 1979warmest | 80° | 67° | 73° | — | — |
| 1978 | 80° | 52° | 66° | — | — |
| 1977 | 76° | 49° | 62° | — | — |
| 1976coldest | 43° | 30° | 36° | — | — |
| 1975 | 79° | 42° | 60° | — | — |
| 1974 | 60° | 30° | 45° | — | — |
| 1973 | 71° | 37° | 54° | — | — |
| 1972 | 50° | 37° | 44° | 1.17" | — |
| 1971 | 74° | 59° | 66° | 0.2" | — |
55 years of data from CEDAR RAPIDS #1