Historical weather data, all-time temperature records, and monthly climate averages for Brockton, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Brockton sits right on the edge of spring — expect a high around 54° and a low near 33°, with just a 2% chance of any lingering snow. The date has seen wild swings over 118 years of records, from a balmy 77° in 1910 down to a brutal 15° in 1954. There's still a 36% chance of rain, so keep a jacket handy.
Brockton's weather history is a study in extremes — the thermometer has swung from a scorching 105° in June 2025 all the way down to -19° in February 1934, a range of 124 degrees. A single August day in 1955 dropped 7.88 inches of rain, and a January 2022 snowstorm buried the city under 25 inches in 24 hours.
Summer is the sweet spot, with highs peaking around 83-84° in mid-July before tapering through a pleasant fall. Winter bottoms out the week of January 15-21, when average highs barely crack 37°. Late September is the wettest stretch of the year, averaging over an inch of precipitation per week — worth noting for fall travel plans.