NWS Boston

Warm Thursday with highs from the 80s at the coast to low‑90s inland—and heat index in the mid‑90s. Friday will be the hottest day: coastal temps in the low‑ to mid‑80s, inland highs in the mid‑90s with heat indices reaching the low‑100s. Stay cool!

Heat Advisory Thu–Fri for much of southern New England (except the south coast and Berkshires). Heat index mid-90s Thu, low 100s Fri. Stay hydrated, keep cool, avoid the sun, and check on others. #MAwx #RIwx #CTwx

Sunny and seasonable today with highs in the low to mid 80s 😎 Heat and humidity return Thursday and especially Friday.

Another quiet and cool night ahead before a warming trend kicks in tomorrow, continuing through the end of the week. #MAwx #CTwx #RIwx

Even the mysterious conditions of the cosmos can impact daily life on Earth, to great economic costs! Our @NWSSWPC monitors “space weather” impacts to our lives and infrastructure. The Sun’s high-speed energy bursts (e.g., solar flares and winds), can cause everything from…

[6 AM Temps] How are you feeling about those temperatures this morning? #40s #50s #60s

Mostly sunny today with temperatures in the mid 70s to low 80s. Temperatures and humidity increase toward late week with potential for dangerous heat on Friday.

[Work Week Forecast] Beautiful weather with low humidity is on tap for today and Tue. Warmer trend begins Wed with dangerous heat and humidity by Friday when heat indices may reach 100-105+.

[Monday] Good morning Southern New England. Much less humid conditions today, with wall-to-wall sun and cooler temperatures!

Aviso Especial Marítimo incluye Aguas costeras desde Provincetown MA a Chatham MA a Nantucket MA hacia afuera 20 mn, Aguas costeras al este de la Bahía Ipswich y del Santuario Marino Nacional Stellwagen Bank y Bahía Cabo Cod hasta las 9:30 PM EDT

Special Marine Warning including the Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Massachusetts Bay and Ipswich Bay and Cape Cod Bay until 9:30 PM EDT

Aviso Especial Marítimo incluye Aguas costeras al este de la Bahía Ipswich y del Santuario Marino Nacional Stellwagen Bank y Aguas Costeras desde de Merrimack River a Plymouth de 40 a 60 MN costa afuera hasta las 9:45 PM EDT

Special Marine Warning including the Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM offshore until 9:45 PM EDT

Aviso de Tormenta Severa incluye Brockton MA, Randolph MA, Abington MA hasta las 8:45 PM EDT

Severe Thunderstorm Warning including Brockton MA, Randolph MA and Abington MA until 8:45 PM EDT

Aviso Especial Marítimo incluye Aguas costeras al este de la Bahía Ipswich y del Santuario Marino Nacional Stellwagen Bank, Bahía de Massachusetts y Bahía de Ipswich , Bahía Cabo Cod y Puerto de Boston hasta las 9:15 PM EDT

Special Marine Warning including the Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Massachusetts Bay and Ipswich Bay, Cape Cod Bay and Boston Harbor until 9:15 PM EDT

Aviso de Tormenta Severa continúa Lynn MA, Peabody MA, Salem MA hasta las 8:00 PM EDT

Severe Thunderstorm Warning continues for Lynn MA, Peabody MA and Salem MA until 8:00 PM EDT

Aviso de Tormenta Severa incluye Boston MA, Cambridge MA, Quincy MA hasta las 8:00 PM EDT