Weather Alerts For Mattituck, NY

# HEADLINE -------------------- FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT SATURDAY # DETAILS -------------------- WHAT Temperatures in the mid 30s, and locally as low 25 to 30 in parts of the Pine Barrens, will result in frost formation. WHERE Northeast Suffolk and Southeast Suffolk Counties. WHEN Until 9 AM EDT Saturday. IMPACTS Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. ISSUED AT Friday, October 23, 2026 at 10:33 PM EDT ISSUED BY National Weather Service New York NY HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Northeast Suffolk, Southeast Suffolk