Weather on March 21
Cincinnati, OH
55 Years of Data
Avg High
55°F
Avg Low
34°F
Warmest
2012
73°F avg
Coldest
1986
27°F avg
About This Date
March 21st in Cincinnati, OH typically brings cool spring weather, with average highs around 55°F and lows near 34°F. Over 56 years of records, the warmest March 21st was in 2012 (73°F average), while the coldest was 1986 (27°F) — a 46°F range across recorded history. Precipitation has occurred on 41% of recorded March 21st dates, with snow falling 7% of the time (heaviest snowfall: 2.7"). The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Cincinnati, OH? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 74° | 41° | 57° | — | — |
| 2025 | 57° | 25° | 41° | — | — |
| 2024 | 47° | 23° | 35° | — | — |
| 2023 | 61° | 22° | 42° | — | — |
| 2022 | 72° | 33° | 52° | — | — |
| 2021 | 68° | 28° | 48° | — | — |
| 2020 | 40° | 33° | 36° | — | — |
| 2019 | 53° | 42° | 48° | 0.64" | — |
| 2018 | 37° | 29° | 33° | 0.2" | — |
| 2017 | 52° | 36° | 44° | 4.22" | — |
| 2016 | 43° | 26° | 34° | — | — |
| 2015 | 47° | 38° | 42° | — | — |
| 2014 | 53° | 32° | 43° | — | — |
| 2013 | 37° | 19° | 28° | — | — |
| 2012warmest | 84° | 62° | 73° | — | — |
| 2011 | 65° | 40° | 52° | 0.25" | — |
| 2010 | 69° | 41° | 55° | — | — |
| 2009 | 46° | 26° | 36° | — | — |
| 2008 | 52° | 30° | 41° | — | — |
| 2007 | 58° | 41° | 49° | — | — |
| 2006 | 43° | 24° | 33° | 0.28" | 1.1" |
| 2005 | 43° | 26° | 34° | — | — |
| 2004 | 69° | 32° | 51° | 0.38" | — |
| 2003 | 70° | 51° | 60° | 0.66" | — |
| 2002 | 47° | 32° | 39° | 0.36" | — |
| 2001 | 52° | 37° | 44° | 0.2" | — |
| 2000 | 58° | 36° | 47° | 0.23" | — |
| 1999 | 52° | 37° | 44° | — | — |
| 1998 | 45° | 30° | 37° | 0.69" | 2.7" |
| 1997 | 75° | 38° | 56° | — | — |
| 1996 | 33° | 21° | 27° | 0.08" | 0.3" |
| 1995 | 69° | 42° | 56° | 0.41" | — |
| 1994 | 64° | 44° | 54° | 0.46" | — |
| 1993 | 45° | 33° | 39° | — | — |
| 1992 | 49° | 23° | 36° | 0.18" | — |
| 1991 | 77° | 51° | 64° | — | — |
| 1990 | 59° | 21° | 40° | — | — |
| 1989 | 46° | 28° | 37° | — | — |
| 1988 | 44° | 27° | 35° | — | — |
| 1987 | 57° | 30° | 44° | — | — |
| 1986coldest | 38° | 17° | 27° | — | — |
| 1985 | 55° | 35° | 45° | — | — |
| 1984 | 38° | 34° | 36° | 0.43" | — |
| 1983 | 52° | 30° | 41° | 0.1" | 0.2" |
| 1982 | 61° | 40° | 50° | — | — |
| 1981 | 54° | 29° | 41° | — | — |
| 1980 | 57° | 38° | 47° | 0.64" | — |
| 1979 | 68° | 48° | 58° | — | — |
| 1978 | 62° | 39° | 51° | 0.58" | — |
| 1977 | 64° | 30° | 47° | 0.58" | — |
| 1976 | 55° | 34° | 44° | 0.08" | — |
| 1975 | 76° | 44° | 60° | — | — |
| 1974 | 40° | 27° | 33° | 0.84" | — |
| 1973 | 42° | 28° | 35° | — | — |
| 1972 | 69° | 49° | 59° | 1.98" | — |
| 1971 | 60° | 30° | 45° | — | — |
56 years of data from CINCINNATI ABBE WSMO