Weather on April 18
Boston, MA
55 Years of Data
Avg High
57°F
Avg Low
42°F
Warmest
1976
80°F avg
Coldest
2003
37°F avg
About This Date
April 18th in Boston, MA typically brings cool spring weather, with average highs around 57°F and lows near 42°F. Over 55 years of records, the warmest April 18th was in 1976 (80°F average), while the coldest was 2003 (37°F) — a 43°F range across recorded history. Precipitation has occurred on 29% of recorded April 18th dates, with snow falling 2% of the time. 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 April 18th in Boston, MA? Bring layers as temperatures can vary throughout the day.
Cooling Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 41° | 54° | — | — |
| 2024 | 47° | 44° | 45° | 0.38" | — |
| 2023 | 60° | 48° | 54° | — | — |
| 2022 | 50° | 39° | 45° | — | — |
| 2021 | 63° | 44° | 53° | — | — |
| 2020 | 41° | 32° | 37° | 1.7" | 0.7" |
| 2019 | 63° | 43° | 53° | — | — |
| 2018 | 53° | 36° | 44° | — | — |
| 2017 | 51° | 39° | 45° | — | — |
| 2016 | 67° | 42° | 54° | — | — |
| 2015 | 60° | 43° | 51° | — | — |
| 2014 | 42° | 31° | 37° | — | — |
| 2013 | 63° | 45° | 54° | — | — |
| 2012 | 62° | 49° | 55° | — | — |
| 2011 | 61° | 44° | 52° | — | — |
| 2010 | 51° | 40° | 45° | 0.2" | — |
| 2009 | 65° | 46° | 55° | 0.18" | — |
| 2008 | 68° | 43° | 55° | — | — |
| 2007 | 43° | 39° | 41° | 0.13" | — |
| 2006 | 64° | 46° | 55° | 0.03" | — |
| 2005 | 66° | 51° | 59° | — | — |
| 2004 | 62° | 48° | 55° | — | — |
| 2003coldest | 43° | 31° | 37° | — | — |
| 2002 | 56° | 45° | 50° | — | — |
| 2001 | 53° | 34° | 43° | 0.36" | — |
| 2000 | 45° | 40° | 42° | 1.14" | — |
| 1999 | 63° | 45° | 54° | — | — |
| 1998 | 65° | 44° | 54° | — | — |
| 1997 | 47° | 42° | 44° | 2.21" | — |
| 1996 | 59° | 39° | 49° | — | — |
| 1995 | 53° | 40° | 46° | — | — |
| 1994 | 57° | 42° | 50° | — | — |
| 1993 | 54° | 45° | 49° | — | — |
| 1992 | 42° | 36° | 39° | 0.23" | — |
| 1991 | 46° | 37° | 42° | — | — |
| 1990 | 50° | 35° | 43° | — | — |
| 1989 | 54° | 40° | 47° | — | — |
| 1988 | 55° | 43° | 49° | 0.3" | — |
| 1987 | 51° | 43° | 47° | 0.43" | — |
| 1986 | 52° | 42° | 47° | — | — |
| 1985 | 50° | 36° | 43° | 0.13" | — |
| 1984 | 49° | 42° | 45° | — | — |
| 1983 | 53° | 39° | 46° | — | — |
| 1982 | 60° | 47° | 53° | 0.18" | — |
| 1981 | 78° | 52° | 65° | — | — |
| 1980 | 61° | 40° | 50° | — | — |
| 1979 | 54° | 40° | 47° | — | — |
| 1978 | 54° | 43° | 48° | — | — |
| 1977 | 65° | 48° | 56° | — | — |
| 1976warmest | 94° | 66° | 80° | — | — |
| 1975 | 68° | 40° | 54° | — | — |
| 1974 | 70° | 48° | 59° | — | — |
| 1973 | 73° | 56° | 64° | 0.08" | — |
| 1972 | 65° | 45° | 55° | — | — |
| 1971 | 47° | 38° | 42° | 0.36" | — |
55 years of data from BOSTON