Weather on October 21
Brockton, MA
55 Years of Data
Avg High
64°F
Avg Low
40°F
Warmest
2016
68°F avg
Coldest
1972
36°F avg
About This Date
October 21st in Brockton, MA typically brings mild fall weather, with average highs around 64°F and lows near 40°F. Over 55 years of records, the warmest October 21st was in 2016 (68°F average), while the coldest was 1972 (36°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 29% of October 21st dates historically, with the wettest October 21st recording 3.38" of rain. The last decade has been 10.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 10.3°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Brockton, MA? Great weather for outdoor activities.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 51° | 60° | — | — |
| 2024 | 79° | 40° | 59° | — | — |
| 2023 | 66° | 55° | 61° | 0.25" | — |
| 2022 | 68° | 37° | 53° | — | — |
| 2021 | 79° | 54° | 66° | — | — |
| 2020 | 77° | 59° | 68° | 0.08" | — |
| 2019 | 64° | 43° | 53° | — | — |
| 2018 | 49° | 29° | 39° | 0.25" | — |
| 2017 | 76° | 40° | 58° | — | — |
| 2016warmest | 77° | 59° | 68° | 1.12" | — |
| 2015 | 66° | 52° | 59° | — | — |
| 2014 | 64° | 43° | 53° | 0.28" | — |
| 2013 | 68° | 34° | 51° | — | — |
| 2012 | 66° | 42° | 54° | — | — |
| 2011 | 64° | 46° | 55° | — | — |
| 2010 | 60° | 35° | 48° | 0.05" | — |
| 2009 | 71° | 43° | 57° | — | — |
| 2008 | 61° | 30° | 45° | — | — |
| 2007 | 74° | 49° | 61° | — | — |
| 2006 | 56° | 41° | 48° | — | — |
| 2005 | 56° | 34° | 45° | — | — |
| 2004 | 53° | 36° | 44° | — | — |
| 2003 | 55° | 29° | 42° | — | — |
| 2002 | 56° | 31° | 43° | — | — |
| 2001 | 75° | 38° | 56° | — | — |
| 2000 | 75° | 48° | 62° | — | — |
| 1999 | 59° | 35° | 47° | — | — |
| 1998 | 57° | 34° | 45° | — | — |
| 1997 | 60° | 30° | 45° | — | — |
| 1996 | 62° | 45° | 53° | 3.15" | — |
| 1995 | 73° | 55° | 64° | 3.38" | — |
| 1994 | 63° | 56° | 59° | 0.18" | — |
| 1993 | 65° | 47° | 56° | 1.4" | — |
| 1992 | 51° | 42° | 47° | 0.51" | — |
| 1991 | 57° | 27° | 42° | — | — |
| 1990 | 63° | 35° | 49° | — | — |
| 1989 | 57° | 42° | 50° | 0.38" | — |
| 1988 | 53° | 24° | 39° | — | — |
| 1987 | 66° | 44° | 55° | 0.05" | — |
| 1986 | 68° | 34° | 51° | — | — |
| 1985 | 61° | 30° | 45° | — | — |
| 1984 | 71° | 41° | 56° | 3.3" | — |
| 1983 | 53° | 34° | 43° | — | — |
| 1982 | 68° | 45° | 56° | — | — |
| 1981 | 70° | 46° | 58° | — | — |
| 1980 | 59° | 30° | 45° | 0.03" | — |
| 1979 | 79° | 56° | 67° | — | — |
| 1978 | 71° | 29° | 50° | — | — |
| 1977 | 66° | 45° | 55° | — | — |
| 1976 | 66° | 45° | 55° | 2.39" | — |
| 1975 | 66° | 37° | 52° | — | — |
| 1974 | 47° | 25° | 36° | — | — |
| 1973 | 59° | 34° | 46° | — | — |
| 1972coldest | 51° | 21° | 36° | — | — |
| 1971 | 71° | 35° | 53° | — | — |
55 years of data from BROCKTON