Weather on March 21
Cedar Rapids, IA
55 Years of Data
Avg High
52°F
Avg Low
30°F
Warmest
2012
69°F avg
Coldest
2013
19°F avg
About This Date
March 21st in Cedar Rapids, IA typically brings cool spring weather, with average highs around 52°F and lows near 30°F. Over 56 years of records, the warmest March 21st was in 2012 (69°F average), while the coldest was 2013 (19°F) — a 50°F range across recorded history. Precipitation has occurred on 20% of recorded March 21st dates, with snow falling 4% of the time. The last decade has been 7.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.9°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Cedar Rapids, IA? Bring layers as temperatures can vary throughout the day.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 89° | 46° | 68° | — | — |
| 2025 | 62° | 28° | 45° | — | — |
| 2024 | 42° | 28° | 35° | — | — |
| 2023 | 59° | 36° | 47° | — | — |
| 2022 | 76° | 50° | 63° | — | — |
| 2021 | 66° | 41° | 54° | — | — |
| 2020 | 39° | 27° | 33° | — | — |
| 2019 | 53° | 31° | 42° | — | — |
| 2018 | 47° | 20° | 33° | — | — |
| 2017 | 65° | 34° | 49° | — | — |
| 2016 | 55° | 24° | 40° | — | — |
| 2015 | 59° | 35° | 47° | — | — |
| 2014 | 59° | 28° | 44° | — | — |
| 2013coldest | 31° | 8° | 19° | — | — |
| 2012warmest | 79° | 59° | 69° | — | — |
| 2011 | 56° | 39° | 47° | 0.03" | — |
| 2010 | 52° | 31° | 41° | — | — |
| 2009 | 66° | 37° | 52° | 0.05" | — |
| 2008 | 49° | 33° | 41° | — | — |
| 2007 | 63° | 43° | 53° | 2.01" | — |
| 2006 | 38° | 27° | 32° | — | — |
| 2005 | 49° | 29° | 39° | — | — |
| 2004 | 38° | 23° | 30° | — | — |
| 2003 | 46° | 32° | 39° | — | — |
| 2002 | 50° | 13° | 31° | — | — |
| 2001 | 53° | 28° | 41° | — | — |
| 2000 | 52° | 40° | 46° | — | — |
| 1999 | 54° | 29° | 41° | — | — |
| 1998 | 48° | 24° | 36° | — | — |
| 1997 | 65° | 40° | 52° | — | — |
| 1996 | 42° | 16° | 29° | — | — |
| 1995 | 53° | 30° | 42° | — | — |
| 1994 | 60° | 37° | 49° | 0.84" | — |
| 1993 | 34° | 29° | 31° | 0.15" | 0.5" |
| 1992 | 41° | 30° | 36° | 0.81" | — |
| 1991 | 70° | 50° | 60° | — | — |
| 1990 | 67° | 32° | 49° | — | — |
| 1989 | 36° | 15° | 25° | — | — |
| 1988 | 47° | 23° | 35° | — | — |
| 1987 | 62° | 35° | 49° | — | — |
| 1986 | 44° | 15° | 30° | — | — |
| 1985 | 61° | 27° | 44° | — | — |
| 1984 | 37° | 27° | 32° | 0.25" | 0.6" |
| 1983 | 32° | 21° | 27° | 0.36" | — |
| 1982 | 43° | 30° | 36° | — | — |
| 1981 | 51° | 28° | 40° | — | — |
| 1980 | 44° | 28° | 36° | — | — |
| 1979 | 41° | 34° | 37° | — | — |
| 1978 | 52° | 33° | 42° | — | — |
| 1977 | 40° | 32° | 36° | 0.48" | — |
| 1976 | 52° | 25° | 38° | — | — |
| 1975 | 52° | 36° | 44° | 0.13" | — |
| 1974 | 40° | 14° | 27° | — | — |
| 1973 | 52° | 19° | 35° | — | — |
| 1972 | 60° | 40° | 50° | 0.48" | — |
| 1971 | 41° | 28° | 35° | — | — |
56 years of data from CEDAR RAPIDS #1