Weather on October 18
Boston, MA
55 Years of Data
Avg High
61°F
Avg Low
46°F
Warmest
1990
67°F avg
Coldest
2015
40°F avg
About This Date
October 18th in Boston, MA typically brings mild fall weather, with average highs around 61°F and lows near 46°F. Over 55 years of records, the warmest October 18th was in 1990 (67°F average), while the coldest was 2015 (40°F) — a 27°F range across recorded history. Precipitation has occurred on 33% of recorded October 18th dates, with snow falling 2% of the time. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Boston, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 46° | 53° | — | — |
| 2024 | 60° | 43° | 51° | — | — |
| 2023 | 62° | 50° | 56° | — | — |
| 2022 | 69° | 50° | 60° | 0.46" | — |
| 2021 | 62° | 47° | 54° | — | — |
| 2020 | 58° | 40° | 49° | — | — |
| 2019 | 62° | 48° | 55° | — | — |
| 2018 | 49° | 39° | 44° | — | — |
| 2017 | 72° | 47° | 59° | — | — |
| 2016 | 69° | 57° | 63° | 0.36" | — |
| 2015coldest | 47° | 33° | 40° | — | — |
| 2014 | 71° | 55° | 63° | — | — |
| 2013 | 70° | 56° | 63° | 0.05" | — |
| 2012 | 60° | 44° | 52° | — | — |
| 2011 | 68° | 55° | 62° | — | — |
| 2010 | 60° | 48° | 54° | — | — |
| 2009 | 49° | 34° | 41° | 2.36" | 0.1" |
| 2008 | 53° | 41° | 47° | — | — |
| 2007 | 69° | 55° | 62° | — | — |
| 2006 | 71° | 53° | 62° | — | — |
| 2005 | 65° | 46° | 55° | 0.05" | — |
| 2004 | 58° | 44° | 51° | — | — |
| 2003 | 55° | 44° | 50° | 0.13" | — |
| 2002 | 57° | 45° | 51° | — | — |
| 2001 | 59° | 44° | 52° | — | — |
| 2000 | 57° | 51° | 54° | 2.62" | — |
| 1999 | 62° | 39° | 51° | 2.74" | — |
| 1998 | 77° | 54° | 65° | — | — |
| 1997 | 56° | 40° | 48° | — | — |
| 1996 | 52° | 47° | 49° | — | — |
| 1995 | 68° | 44° | 56° | — | — |
| 1994 | 57° | 44° | 51° | 0.05" | — |
| 1993 | 70° | 50° | 60° | — | — |
| 1992 | 50° | 38° | 44° | — | — |
| 1991 | 72° | 52° | 62° | 2.13" | — |
| 1990warmest | 74° | 60° | 67° | 1.78" | — |
| 1989 | 46° | 38° | 42° | 0.18" | — |
| 1988 | 70° | 54° | 62° | 0.15" | — |
| 1987 | 72° | 55° | 63° | — | — |
| 1986 | 51° | 41° | 46° | — | — |
| 1985 | 65° | 44° | 54° | — | — |
| 1984 | 56° | 42° | 49° | — | — |
| 1983 | 68° | 54° | 61° | 0.08" | — |
| 1982 | 57° | 40° | 48° | — | — |
| 1981 | 62° | 45° | 53° | 1.57" | — |
| 1980 | 72° | 60° | 66° | 0.76" | — |
| 1979 | 64° | 49° | 56° | — | — |
| 1978 | 55° | 33° | 44° | — | — |
| 1977 | 63° | 46° | 54° | — | — |
| 1976 | 52° | 38° | 45° | — | — |
| 1975 | 57° | 50° | 54° | 5" | — |
| 1974 | 52° | 33° | 42° | — | — |
| 1973 | 55° | 45° | 50° | 0.15" | — |
| 1972 | 51° | 39° | 45° | — | — |
| 1971 | 59° | 47° | 53° | — | — |
55 years of data from BOSTON