* WHAT...Heat index values up to 96.

* WHERE...Portions of northern Connecticut, central, eastern,
northeastern, southeastern, and western Massachusetts, and
northern Rhode Island.

* WHEN...Until 8 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

WWUS71 KBOX 191802
NPWBOX

Heat Advisory
National Weather Service Boston/Norton MA
202 PM EDT Tue May 19 2026
CTZ002>004-MAZ003>007-010>019-026-RIZ001>004
/O.CON.KBOX.HT.Y.0001.000000T0000Z-260521T0000Z/
Hartford-Tolland-Windham-Eastern Franklin-Northern Worcester-Central Middlesex County-Western Essex-Eastern Essex-Eastern Hampshire-Eastern Hampden-Southern Worcester-Western Norfolk-Southeast Middlesex-Suffolk-Eastern Norfolk-Northern Bristol-Western Plymouth-Eastern Plymouth-Northwest Middlesex County-Northwest Providence-Southeast Providence-Western Kent-Eastern Kent

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT WEDNESDAY...

* WHAT...Heat index values up to 96.

* WHERE...Portions of northern Connecticut, central, eastern,
northeastern, southeastern, and western Massachusetts, and
northern Rhode Island.

* WHEN...Until 8 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Local Weather

Boston, Massachusetts, US