Weather on March 21
Davenport, IA
55 Years of Data
Avg High
52°F
Avg Low
33°F
Warmest
2012
71°F avg
Coldest
2013
23°F avg
About This Date
March 21st in Davenport, IA typically brings cool spring weather, with average highs around 52°F and lows near 33°F. Over 56 years of records, the warmest March 21st was in 2012 (71°F average), while the coldest was 2013 (23°F) — a 48°F range across recorded history. Precipitation has occurred on 36% of recorded March 21st dates, with snow falling 2% of the time. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Davenport, IA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 83° | 48° | 65° | — | — |
| 2025 | 60° | 34° | 47° | 0.05" | — |
| 2024 | 47° | 32° | 39° | — | — |
| 2023 | 56° | 41° | 48° | — | — |
| 2022 | 75° | 52° | 63° | — | — |
| 2021 | 67° | 40° | 53° | — | — |
| 2020 | 39° | 27° | 33° | — | — |
| 2019 | 48° | 30° | 39° | — | — |
| 2018 | 46° | 25° | 35° | — | — |
| 2017 | 52° | 31° | 41° | — | — |
| 2016 | 55° | 32° | 44° | — | — |
| 2015 | 52° | 36° | 44° | — | — |
| 2014 | 59° | 32° | 46° | — | — |
| 2013coldest | 33° | 12° | 23° | — | — |
| 2012warmest | 81° | 61° | 71° | — | — |
| 2011 | 64° | 47° | 55° | 0.1" | — |
| 2010 | 35° | 30° | 33° | 0.79" | — |
| 2009 | 66° | 42° | 54° | 0.03" | — |
| 2008 | 45° | 32° | 38° | 0.03" | — |
| 2007 | 68° | 44° | 56° | 2.16" | — |
| 2006 | 36° | 29° | 32° | 0.13" | — |
| 2005 | 49° | 31° | 40° | — | — |
| 2004 | 59° | 26° | 43° | — | — |
| 2003 | 46° | 34° | 40° | 0.08" | — |
| 2002 | 42° | 17° | 30° | 0.03" | — |
| 2001 | 55° | 32° | 44° | — | — |
| 2000 | 52° | 43° | 47° | 0.13" | — |
| 1999 | 52° | 32° | 42° | — | — |
| 1998 | 49° | 28° | 38° | — | — |
| 1997 | 72° | 41° | 56° | — | — |
| 1996 | 45° | 22° | 33° | — | — |
| 1995 | 51° | 34° | 42° | 0.43" | — |
| 1994 | 56° | 40° | 48° | 0.38" | — |
| 1993 | 38° | 29° | 33° | 0.1" | — |
| 1992 | 45° | 31° | 38° | 0.05" | — |
| 1991 | 73° | 52° | 62° | — | — |
| 1990 | 64° | 36° | 50° | — | — |
| 1989 | 36° | 21° | 28° | — | — |
| 1988 | 46° | 26° | 36° | — | — |
| 1987 | 64° | 29° | 46° | — | — |
| 1986 | 42° | 20° | 31° | — | — |
| 1985 | 54° | 30° | 42° | — | — |
| 1984 | 37° | 28° | 33° | 0.15" | — |
| 1983 | 31° | 22° | 26° | 0.25" | — |
| 1982 | 39° | 31° | 35° | — | — |
| 1981 | 52° | 31° | 41° | — | — |
| 1980 | 44° | 31° | 37° | — | — |
| 1979 | 47° | 37° | 42° | — | — |
| 1978 | 50° | 36° | 43° | 0.03" | — |
| 1977 | 36° | 28° | 32° | 0.05" | — |
| 1976 | 42° | 29° | 35° | — | — |
| 1975 | 66° | 39° | 53° | 0.56" | — |
| 1974 | 40° | 18° | 29° | 0.03" | 0.5" |
| 1973 | 45° | 29° | 37° | — | — |
| 1972 | 60° | 38° | 49° | — | — |
| 1971 | 46° | 32° | 39° | — | — |
56 years of data from DAVENPORT L&D 15