Weather on May 18
Brockton, MA
55 Years of Data
Avg High
69°F
Avg Low
46°F
Warmest
2017
80°F avg
Coldest
2007
41°F avg
About This Date
May 18th in Brockton, MA typically brings mild spring weather, with average highs around 69°F and lows near 46°F. Over 55 years of records, the warmest May 18th was in 2017 (80°F average), while the coldest was 2007 (41°F) — a 39°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 4.7" of rain. The last decade has been 6.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.6°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Brockton, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 60° | 67° | — | — |
| 2024 | 60° | 53° | 57° | 2.54" | — |
| 2023 | 66° | 34° | 50° | — | — |
| 2022 | 77° | 54° | 65° | — | — |
| 2021 | 86° | 50° | 68° | — | — |
| 2020 | 67° | 49° | 58° | — | — |
| 2019 | 75° | 53° | 64° | — | — |
| 2018 | 60° | 41° | 51° | — | — |
| 2017warmest | 96° | 64° | 80° | — | — |
| 2016 | 65° | 48° | 56° | — | — |
| 2015 | 69° | 50° | 60° | — | — |
| 2014 | 70° | 51° | 60° | — | — |
| 2013 | 73° | 42° | 58° | — | — |
| 2012 | 73° | 44° | 59° | — | — |
| 2011 | 63° | 51° | 57° | 0.18" | — |
| 2010 | 62° | 45° | 53° | 1.96" | — |
| 2009 | 53° | 40° | 46° | 0.18" | — |
| 2008 | 73° | 47° | 60° | 0.13" | — |
| 2007coldest | 43° | 40° | 41° | 4.7" | — |
| 2006 | 74° | 48° | 61° | — | — |
| 2005 | 64° | 45° | 54° | — | — |
| 2004 | 71° | 41° | 56° | — | — |
| 2003 | 55° | 36° | 45° | — | — |
| 2002 | 53° | 38° | 45° | 3.51" | — |
| 2001 | 62° | 47° | 54° | — | — |
| 2000 | 70° | 54° | 62° | 0.69" | — |
| 1999 | 74° | 50° | 62° | — | — |
| 1998 | 84° | 45° | 64° | — | — |
| 1997 | 70° | 41° | 55° | — | — |
| 1996 | 63° | 43° | 53° | — | — |
| 1995 | 69° | 49° | 59° | 0.13" | — |
| 1994 | 54° | 45° | 49° | 0.15" | — |
| 1993 | 68° | 42° | 55° | 0.38" | — |
| 1992 | 78° | 49° | 63° | 0.03" | — |
| 1991 | 58° | 40° | 49° | 0.89" | — |
| 1990 | 68° | 45° | 56° | 1.04" | — |
| 1989 | 78° | 47° | 62° | — | — |
| 1988 | 61° | 52° | 56° | — | — |
| 1987 | 66° | 51° | 59° | — | — |
| 1986 | 89° | 60° | 75° | — | — |
| 1985 | 64° | 43° | 53° | 1.09" | — |
| 1984 | 63° | 39° | 51° | — | — |
| 1983 | 64° | 32° | 48° | — | — |
| 1982 | 73° | 40° | 56° | — | — |
| 1981 | 64° | 30° | 47° | — | — |
| 1980 | 65° | 47° | 56° | 0.41" | — |
| 1979 | 63° | 50° | 56° | 0.05" | — |
| 1978 | 68° | 48° | 58° | — | — |
| 1977 | 81° | 52° | 66° | — | — |
| 1976 | 75° | 59° | 67° | 0.08" | — |
| 1975 | 71° | 40° | 55° | — | — |
| 1974 | 75° | 50° | 63° | — | — |
| 1973 | 60° | 45° | 52° | 1.65" | — |
| 1972 | 78° | 52° | 65° | — | — |
| 1971 | 73° | 42° | 58° | — | — |
55 years of data from BROCKTON