Historical weather data, all-time temperature records, and monthly climate averages for Lynnfield, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Lynnfield sits right in that transitional sweet spot — expect a high near 53° and a low around 34°, though history shows it can swing wildly. The mercury has hit 75° on this date (2010) and plunged to 18° (2016), a 57-degree gap that captures New England spring in a nutshell. There's a 43% chance of rain, but snow is nearly off the table at just 2%.
Lynnfield has seen some genuine extremes over its 100-year record. The town cooked at 105° on June 28, 1991 and froze at -22° on January 22, 1984 — a staggering 127-degree range. On the wet side, a single October day in 1962 dropped 8.64 inches of rain, and the Blizzard of 2005 buried the area under 28 inches of snow in one shot.
Summer is the clear headliner, with highs peaking around 82-83° in mid-July before a gradual fade through fall. January is the depths of winter, with average highs barely reaching 37° the second week of the month. If you're watching for rain, late September is the wettest stretch of the year, averaging over an inch of precipitation in a single week.