Boston, MA – Storms are set to disrupt the first full day of fall on Tuesday, September 23, with heavy rain and possible thunderstorms threatening morning and evening commutes across the Boston area. Travelers should allow extra time and monitor conditions closely, especially on major routes like I-93 and the Massachusetts Turnpike.
According to the National Weather Service, showers and thunderstorms will likely develop after 2 a.m. Tuesday and intensify throughout the day. Forecasters warn that rainfall totals could reach up to half an inch, with isolated downpours leading to brief flooding in low-lying areas. Winds from the southwest at 6 to 8 mph may also reduce visibility during heavier showers.
By Wednesday, showers remain likely with storms tapering in the afternoon. Temperatures will stay mild, peaking near 72 degrees, before cooler air edges in by Thursday. Rain chances continue through Friday, keeping commutes wet and roads slick across Suffolk County and Greater Boston.
Looking ahead, here’s the extended five-day forecast:
- Tuesday: High near 82, thunderstorms likely, heavy rain possible.
- Wednesday: Showers and storms continue, high near 72.
- Thursday: Chance of showers, high near 69.
- Friday: More showers, high near 76.
- Saturday: Unsettled start, showers possible, high near 75.
