Heat Advisory

Locations Affected

Vineyard Haven, MA ∙ Hyannis Barnstable Municipal Airport, MA ∙ Eastham, MA ∙ Seconsett Island, MA ∙ Dennis, MA ∙ Naushon Island, MA ∙ Popponesset, MA ∙ Truro, MA ∙ Martha's Vineyard, MA ∙ Sandy Neck, MA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 229 PM EDT Thu Jul 2 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... * WHAT...Heat index values up to 105. * WHERE...Barnstable and Dukes Counties in Massachusetts. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

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