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Offshore Low Brings Midweek Drizzle as High Pressure Sets Up Warm, Dry Weekend in Mid‑Atlantic and New England

High pressure rebuilds to deliver a warm, mostly dry weekend following a brief midweek brush from an offshore low.

Overview

  • Light, coastal drizzle and spotty showers cooled Maryland and southern New England on Wednesday, with most totals near a tenth of an inch and highs held to the upper 60s to low 70s under onshore breezes.
  • Sun returns Thursday as high pressure reasserts control, bringing low humidity and a late‑week warmup to the upper 70s and low 80s for many areas.
  • Weekend conditions look mostly sunny and pleasant, though forecasters note a low‑confidence chance for a stray shower late Sunday into early next week.
  • Northern New England faces chilly nights with patchy frost possible in colder valleys, and the ongoing dry stretch is maintaining localized drought and elevated fire danger concerns.
  • Maryland’s ragweed and grass pollen remain high under the dry pattern, and NWS Boston has confirmed five EF‑1 tornadoes from last weekend’s severe storms in Massachusetts.