Historical weather data, all-time temperature records, and monthly climate averages for Fitchburg, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4 in Fitchburg tends to feel like a coin flip between spring and late winter — the average high is only 51°, and lows can still dip to 20° as recently as 2016. Rain is more likely than not, with a 61% chance of precipitation. On the flip side, 2010 saw a 75° day on this date, so warmth is on the table.
Fitchburg has seen the full extremes of a classic New England climate, swinging from a scorching 103° in July 2011 to a brutal -15° in February 2015 — a range of 118 degrees. A single day in September 2023 dumped 5.1 inches of rain, a reminder that late-summer storms can be serious here.
Summer peaks in mid-July with average highs around 86°, while mid-January bottoms out at a frigid 33°. The wettest stretch of the year falls in late March through early April, so pack accordingly for spring visits. For the best combination of warmth and dry weather, aim for June through August.