Boston, MA – A prolonged cold snap will grip the Northeast starting Thursday, April 30, pushing daytime temperatures 40% to 60% below seasonal norms and creating immediate concerns for commuters, energy demand, and early May travel across the I-95 corridor.
According to the National Weather Service, a broad cold air mass dropping out of the Great Lakes will expand eastward through Tuesday, May 6, locking in below-normal temperatures from Pennsylvania to Maine. Highs across much of New York, Vermont, New Hampshire, and Maine are expected to stay in the 40s and low 50s, with overnight lows dipping into the 30s. The chill is tied to a large-scale pattern favoring persistent troughing over the eastern U.S.
Cities including Philadelphia, New York City, Hartford, Providence, and Boston will feel the stretch of colder air most sharply during morning and evening commutes. Drivers along I-95, I-90, and I-84 may encounter reduced visibility at times due to patchy drizzle, especially in coastal and inland valley locations. While widespread precipitation is not expected, near-normal rainfall means occasional wet roads could slow traffic during peak hours.
Further north, in Albany, Burlington, and across interior Maine, colder nighttime readings could briefly approach frost thresholds, raising concerns for early-season agriculture. Residents are urged to protect sensitive plants and check heating systems, as demand may spike during early morning hours.
Utilities may see increased load as heating systems run longer than typical for early May. Coastal areas from Long Island to coastal Maine will also contend with brisk winds at times, adding to the chill factor and impacting ferry operations and small craft.
This colder-than-normal pattern is expected to persist through at least Tuesday, May 6, with gradual moderation possible beyond that window. Additional updates are likely as the pattern evolves, and any shifts could expand impacts further south or intensify cold conditions across the region.
