Showers, thunderstorms possible as temperatures rise into the lower 80s

With the heat spell broken, Massachusetts enters this week with seasonable temperatures and the potential for showers and thunderstorms through the end of the week.

Temperatures will climb today into the upper 70s to lower 80s, with dewpoints forecast to hit 70, according to the National Weather Service.

“The airmass that we are in has a lot of moisture, creating a trigger for showers and thunderstorms,” said weather service meteorologist Charlie Foley. “This airmass should dissipate by late Wednesday.”

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Rain is most likely today northwest of Interstate 95, and should be heaviest this afternoon into the evening, according to the weather service. New rainfall amounts today are expected to be less than one-tenth of an inch.

Temperatures could hit 83 degrees, but humidity levels will bring discomfort and make it feel like 90. Showers and thunderstorms will arrive tonight, with temperatures cooling into the upper 60s.

Tuesday will be mostly cloudy, with a chance of heavy showers and thunderstorms after 9 a.m. Boston will see a 60 percent chance of precipitation. Rain is expected statewide, with high temperatures in the low 80s, according to the weather service. The atmosphere will stay moist Tuesday, with humidity levels remaining close to 70.

“Periodic rain is likely for much of the week,” Foley said. “Umbrellas are a good idea for people in most areas.”

On Wednesday showers and thunderstorms are likely until 3 p.m. The sun could emerge in the afternoon, sending temperatures to the mid-80s.

Temperatures Thursday and Friday will stay in the low 80s. A cold front will eradicate high dewpoints. The end of the week will see mostly sunny skies, with a sea breeze likely developing Friday. The sun should continue into the weekend, though scattered showers and severe thunderstorms are possible, according to the weather service.