As of 5:35 a.m. on Sunday, May 3, Logan Airport was waking up to partly cloudy skies, temperatures near 45°F, and a few stubborn spotty showers clinging to the coast. Those showers are expected to fade by mid-morning, setting the stage for a partly sunny afternoon with highs around 57°F. Northwest winds will keep things on the breezy side, with stronger gusts near the waterfront.
Afternoon Winds And Small Craft Advisory
If you are heading out on the water, the timing is not exactly ideal. A Small Craft Advisory for Boston's coastal waters kicks in at 11 a.m. Sunday, May 3, 2026, and has been extended through 8 p.m. Monday, May 4, 2026, which means choppy conditions and building seas offshore. According to the National Weather Service Boston/Norton, seas could build to 4–6 feet in the outer waters, and mariners are urged to avoid nonessential trips and to secure loose gear. Ferry crossings and small-boat outings are likely to be rough right through Monday evening.
Warmup Early Week, Storm Chance Midweek
Once we get past Sunday’s chill and chop, temperatures start to climb. Monday, May 4 will turn drier and milder with highs near 67°F. By Tuesday, May 5, many inland spots are expected to reach into the 70s, which should finally feel like spring. The tradeoff will be wind: gusty southwest breezes are likely Monday and Tuesday, with inland gusts possibly reaching 25–35 mph on Tuesday, May 5 as the milder air pushes north. A cold front sliding in late Tuesday into Wednesday, May 6 may trigger scattered showers and a few thunderstorms, especially inland, although the exact timing is still uncertain.
What This Means For Commuters And Boaters
For drivers, the main issues early today will be damp roads and occasional gusty crosswinds across exposed bridges and open stretches, so it is worth building in a little extra time. On the water, expect a bumpy ride for boaters and ferry passengers, and consider delaying nonessential trips until seas calm down. Along the waterfront, securing patio furniture and other loose items is a smart move while the winds stay up. For background on how the day started, see the earlier gray, drizzly commute.
Bottom line: morning showers give way to a partly sunny but breezy Sunday with a high near 57°F, while marine conditions stay choppy through Monday night, May 4. Keep an eye on forecasts from Monday through Wednesday if you have outdoor plans or boat trips lined up early next week.
