Weather on May 18
Baltimore, MD
55 Years of Data
Avg High
75°F
Avg Low
59°F
Warmest
2017
84°F avg
Coldest
1973
52°F avg
About This Date
May 18th in Baltimore, MD typically brings pleasant spring weather, with average highs around 75°F and lows near 59°F. Over 55 years of records, the warmest May 18th was in 2017 (84°F average), while the coldest was 1973 (52°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 18th dates historically, with the wettest May 18th recording 6.15" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 18th in Baltimore, MD? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 70° | 76° | — | — |
| 2024 | 67° | 61° | 64° | — | — |
| 2023 | 71° | 48° | 60° | — | — |
| 2022 | 80° | 55° | 68° | — | — |
| 2021 | 75° | 44° | 60° | — | — |
| 2020 | 69° | 56° | 62° | — | — |
| 2019 | 79° | 68° | 73° | 0.1" | — |
| 2018 | 68° | 52° | 60° | 0.94" | — |
| 2017warmest | 94° | 75° | 84° | — | — |
| 2016 | 67° | 54° | 60° | — | — |
| 2015 | 87° | 68° | 78° | 6.15" | — |
| 2014 | 68° | 52° | 60° | — | — |
| 2013 | 73° | 62° | 68° | 0.03" | — |
| 2012 | 79° | 60° | 69° | — | — |
| 2011 | 74° | 66° | 70° | 0.41" | — |
| 2010 | 56° | 52° | 54° | 0.97" | — |
| 2009 | 63° | 52° | 57° | — | — |
| 2008 | 69° | 57° | 63° | 0.41" | — |
| 2007 | 67° | 58° | 62° | — | — |
| 2006 | 74° | 56° | 65° | — | — |
| 2005 | 74° | 55° | 64° | — | — |
| 2004 | 87° | 67° | 77° | 0.1" | — |
| 2003 | 57° | 49° | 53° | 0.1" | — |
| 2002 | 62° | 50° | 56° | — | — |
| 2001 | 63° | 58° | 60° | — | — |
| 2000 | 87° | 66° | 77° | 0.03" | — |
| 1999 | 82° | 61° | 71° | — | — |
| 1998 | 88° | 68° | 78° | — | — |
| 1997 | 76° | 55° | 65° | — | — |
| 1996 | 81° | 62° | 71° | — | — |
| 1995 | 82° | 69° | 76° | 0.81" | — |
| 1994 | 62° | 48° | 55° | — | — |
| 1993 | 66° | 54° | 60° | 0.97" | — |
| 1992 | 80° | 62° | 71° | — | — |
| 1991 | 73° | 57° | 65° | — | — |
| 1990 | 82° | 64° | 73° | — | — |
| 1989 | 88° | 66° | 77° | — | — |
| 1988 | 67° | 60° | 63° | 1.55" | — |
| 1987 | 96° | 70° | 83° | 0.41" | — |
| 1986 | 92° | 71° | 81° | — | — |
| 1985 | 71° | 54° | 62° | 0.08" | — |
| 1984 | 67° | 46° | 56° | — | — |
| 1983 | 68° | 50° | 59° | — | — |
| 1982 | 83° | 67° | 75° | — | — |
| 1981 | 63° | 54° | 58° | — | — |
| 1980 | 70° | 59° | 64° | 2.41" | — |
| 1979 | 70° | 58° | 64° | 0.74" | — |
| 1978 | 77° | 58° | 67° | — | — |
| 1977 | 94° | 72° | 83° | — | — |
| 1976 | 75° | 47° | 61° | 0.64" | — |
| 1975 | 74° | 60° | 67° | — | — |
| 1974 | 80° | 60° | 70° | 0.28" | — |
| 1973coldest | 62° | 41° | 52° | — | — |
| 1972 | 76° | 62° | 69° | — | — |
| 1971 | 82° | 58° | 70° | — | — |
55 years of data from BALTIMORE CUSTOMS HOUSE