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Record-Breaking Halloween Heat Sweeps Northeast and Midwest

Unseasonably high temperatures bring summer-like conditions to many U.S. cities, challenging historical records.

Image
The  annual Tompkins Square Halloween Dog Parade in New York on Oct. 19.
Children go trick or treating in the New York suburb of Upper Nyack, New York, on October 31, 2023.
This map shows temperatures forecast around the country for Thursday 31 October.

Overview

  • Temperatures in the Northeast and Midwest are soaring 20-30 degrees above normal, with cities like Boston and New York City potentially setting new records.
  • New York City reached 82 degrees, surpassing its previous Halloween record, while Boston could see its second hottest Halloween ever.
  • The unseasonable warmth is attributed to a high-pressure system bringing southern air northward, creating summer-like conditions.
  • While the Northeast enjoys the heat, other regions experience severe weather, including thunderstorms in the Midwest and snow in parts of the Upper Midwest.
  • The unusual warmth follows a trend of warmer-than-average autumns across the U.S., as climate patterns continue to shift.