Weather on October 20
Boston, MA
55 Years of Data
Avg High
61°F
Avg Low
46°F
Warmest
1984
67°F avg
Coldest
1974
36°F avg
About This Date
October 20th 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 20th was in 1984 (67°F average), while the coldest was 1974 (36°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 29% of October 20th dates historically, with the wettest October 20th recording 15.52" of rain. The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Boston, MA? Great weather for outdoor activities.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 54° | 60° | 1.57" | — |
| 2024 | 77° | 45° | 61° | — | — |
| 2023 | 64° | 50° | 57° | 0.13" | — |
| 2022 | 59° | 42° | 51° | — | — |
| 2021 | 72° | 54° | 63° | — | — |
| 2020 | 67° | 49° | 58° | — | — |
| 2019 | 60° | 44° | 52° | — | — |
| 2018 | 66° | 49° | 57° | — | — |
| 2017 | 71° | 58° | 64° | — | — |
| 2016 | 62° | 56° | 59° | 0.2" | — |
| 2015 | 66° | 45° | 55° | — | — |
| 2014 | 58° | 39° | 48° | — | — |
| 2013 | 64° | 49° | 56° | — | — |
| 2012 | 74° | 58° | 66° | 0.41" | — |
| 2011 | 69° | 54° | 61° | 1.19" | — |
| 2010 | 62° | 45° | 53° | — | — |
| 2009 | 65° | 37° | 51° | — | — |
| 2008 | 56° | 37° | 46° | — | — |
| 2007 | 72° | 58° | 65° | 0.3" | — |
| 2006 | 64° | 45° | 54° | 1.02" | — |
| 2005 | 58° | 47° | 52° | — | — |
| 2004 | 52° | 45° | 48° | — | — |
| 2003 | 54° | 36° | 45° | — | — |
| 2002 | 58° | 43° | 50° | — | — |
| 2001 | 67° | 50° | 58° | — | — |
| 2000 | 65° | 46° | 55° | — | — |
| 1999 | 53° | 47° | 50° | 2.03" | — |
| 1998 | 64° | 47° | 55° | — | — |
| 1997 | 59° | 46° | 53° | — | — |
| 1996 | 54° | 50° | 52° | 15.52" | — |
| 1995 | 62° | 50° | 56° | — | — |
| 1994 | 66° | 55° | 61° | 0.05" | — |
| 1993 | 51° | 47° | 49° | 0.43" | — |
| 1992 | 51° | 38° | 44° | — | — |
| 1991 | 50° | 39° | 45° | — | — |
| 1990 | 60° | 42° | 51° | — | — |
| 1989 | 68° | 49° | 58° | 2.39" | — |
| 1988 | 53° | 36° | 44° | — | — |
| 1987 | 62° | 49° | 55° | — | — |
| 1986 | 57° | 46° | 52° | — | — |
| 1985 | 57° | 44° | 51° | — | — |
| 1984warmest | 78° | 56° | 67° | — | — |
| 1983 | 50° | 39° | 45° | — | — |
| 1982 | 70° | 44° | 57° | — | — |
| 1981 | 58° | 39° | 48° | — | — |
| 1980 | 59° | 47° | 53° | — | — |
| 1979 | 72° | 51° | 61° | — | — |
| 1978 | 53° | 42° | 48° | — | — |
| 1977 | 54° | 50° | 52° | 0.97" | — |
| 1976 | 58° | 40° | 49° | 2.59" | — |
| 1975 | 55° | 48° | 52° | 0.64" | — |
| 1974coldest | 40° | 32° | 36° | — | — |
| 1973 | 56° | 47° | 51° | 0.18" | — |
| 1972 | 47° | 32° | 39° | — | — |
| 1971 | 59° | 49° | 54° | — | — |
55 years of data from BOSTON