Lori Trahan vs. Gary Grossi polls and 2026 forecast (Massachusetts's 3rd District)
Our forecast gives Lori Trahan (D) a >99% chance of winning (rating: Safe D), as of October 16, 2026. Expected margin: Trahan +29.8; in 80% of simulations the margin falls between Trahan +22.6 and Trahan +37.1. Incumbent: Lori Trahan (D). 2024 presidential result here: D+19.4.
House forecast · How the forecast works