Historical weather data, all-time temperature records, and monthly climate averages for Southbridge, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Southbridge runs cold, with an average high of just 52° and lows that can still dip to freezing — the record low on this date hit 20° as recently as 2016. There's a coin-flip chance of rain (52%) and a small but real 7% chance of snow. The warmest this date has ever managed was 71° back in 1981, so don't put the jacket away just yet.
Southbridge has seen some genuine extremes over its 64 years of records — from a brutal -27° in January 1984 to a sweltering 101° in July 2018, a swing of 128 degrees. Late summer can also turn dramatic: a single day in August 1991 dropped 5.03 inches of rain, and April Fools' Day 1997 was no joke, burying the area under 28 inches of snow.
Summer is the sweet spot here, with highs peaking around 82-83° in mid-July before a gradual cool-down through fall. Winters are genuinely cold — January and February average highs hover in the mid-30s, with the coldest week of the year averaging just 32°. If you're watching for wet weather, late September is the soggiest stretch of the calendar.