Weather on March 21
Cedar Rapids, IA
55 Years of Data
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.
| 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° | — | — |
Cedar Rapids, IA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Cedar Rapids, IA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Cedar Rapids, IA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Cedar Rapids, IA
Cedar Rapids, IA has no months that meet our "pleasant" threshold — every season has tradeoffs.