Weather on March 21
Baltimore, MD
55 Years of Data
Avg High
56°F
Avg Low
40°F
Warmest
1976
66°F avg
Coldest
1986
28°F avg
About This Date
March 21st in Baltimore, MD typically brings cool spring weather, with average highs around 56°F and lows near 40°F. Over 56 years of records, the warmest March 21st was in 1976 (66°F average), while the coldest was 1986 (28°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 34% of March 21st dates historically, with the wettest March 21st recording 5.66" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Baltimore, MD? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 53° | 61° | — | — |
| 2025 | 59° | 42° | 51° | — | — |
| 2024 | 53° | 36° | 44° | — | — |
| 2023 | 61° | 34° | 47° | 0.03" | — |
| 2022 | 54° | 46° | 50° | — | — |
| 2021 | 65° | 48° | 56° | — | — |
| 2020 | 69° | 45° | 57° | 0.05" | — |
| 2019 | 51° | 44° | 48° | 5.66" | — |
| 2018 | 36° | 33° | 34° | 1.3" | — |
| 2017 | 63° | 47° | 55° | — | — |
| 2016 | 51° | 36° | 43° | — | — |
| 2015 | 60° | 35° | 48° | — | — |
| 2014 | 55° | 39° | 47° | 0.05" | — |
| 2013 | 44° | 33° | 39° | — | — |
| 2012 | 72° | 61° | 66° | — | — |
| 2011 | 71° | 46° | 59° | 0.58" | — |
| 2010 | 72° | 52° | 62° | — | — |
| 2009 | 49° | 34° | 41° | — | — |
| 2008 | 55° | 39° | 47° | — | — |
| 2007 | 45° | 36° | 40° | — | — |
| 2006 | 41° | 29° | 35° | — | — |
| 2005 | 50° | 42° | 46° | — | — |
| 2004 | 59° | 33° | 46° | — | — |
| 2003 | 54° | 45° | 49° | — | — |
| 2002 | 61° | 33° | 47° | — | — |
| 2001 | 48° | 42° | 45° | 3.68" | — |
| 2000 | 43° | 41° | 42° | 4.6" | — |
| 1999 | 49° | 44° | 46° | — | — |
| 1998 | 44° | 36° | 40° | — | — |
| 1997 | 61° | 55° | 58° | — | — |
| 1996 | 48° | 37° | 43° | — | — |
| 1995 | 73° | 56° | 64° | 0.28" | — |
| 1994 | 46° | 41° | 44° | 2.29" | — |
| 1993 | 55° | 35° | 45° | 0.25" | — |
| 1992 | 45° | 35° | 40° | — | — |
| 1991 | 66° | 46° | 56° | — | — |
| 1990 | 63° | 35° | 49° | — | — |
| 1989 | 49° | 40° | 44° | 0.61" | — |
| 1988 | 40° | 24° | 32° | — | — |
| 1987 | 54° | 40° | 47° | — | — |
| 1986coldest | 38° | 18° | 28° | — | — |
| 1985 | 52° | 37° | 44° | — | — |
| 1984 | 61° | 44° | 52° | 1.12" | — |
| 1983 | 63° | 43° | 53° | 2.18" | — |
| 1982 | 54° | 44° | 49° | 0.13" | — |
| 1981 | 47° | 32° | 39° | — | — |
| 1980 | 61° | 42° | 51° | 2.82" | — |
| 1979 | 69° | 46° | 58° | — | — |
| 1978 | 80° | 44° | 62° | 0.18" | — |
| 1977 | 54° | 38° | 46° | — | — |
| 1976warmest | 78° | 54° | 66° | — | — |
| 1975 | 64° | 41° | 53° | — | — |
| 1974 | 57° | 40° | 48° | 2.06" | — |
| 1973 | 44° | 34° | 39° | 0.08" | — |
| 1972 | 57° | 42° | 50° | — | — |
| 1971 | 50° | 34° | 42° | — | — |
56 years of data from BALTIMORE CUSTOMS HOUSE