Historical weather data, all-time temperature records, and monthly climate averages for Westfield, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Westfield lands right at that classic New England in-between: expect a high near 52° and a low that still dips to freezing at 32°. The date has a wild range in the record books — a balmy 75° back in 2010, and a brutal 18° low as recently as 2016. Rain is possible but unlikely, with just a 35% chance of precipitation and snow essentially off the table.
Westfield knows extremes. The thermometer has swung from a scorching 103° in July 2010 all the way down to -14° on a January day in 2003 — a 117-degree spread between the all-time high and low. A single October storm in 2005 dumped 6.46 inches of rain in one day, and a February blizzard in 1950 piled on 9 inches of snow.
Summer is the sweet spot here — highs hit 86° during the warmest week of mid-July, while January bottoms out with average highs barely cracking 33°. If you're chasing warmth, aim for July through August; if you're avoiding cold, steer clear of December through February. June is the wettest month on average, so pack accordingly if you're visiting in early summer.