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Heat wave in Boston area to continue

Beachgoers in Chatham on Wednesday.

Jonathan Wiggs/Globe Photo

Beachgoers in Chatham on Wednesday.

Recordbreaking temperatures near 100 degrees are possible in some areas Friday as Massachusetts withers under what is expected to be the sixth day of a heat wave, the National Weather Service said.

Temperatures of 95 to 100 are possible away from the South Coast, according to a forecast discussion posted on the web.

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With high humidity, there is a moderate to high probability that for a few hours it will feel like 105 in much of Eastern Massachusetts, the forecasters said.

Closer to the coast, temperatures should be a little more reasonable — 85 to 90 — the forecasters said. Beachgoers should find ideal conditions, though a gusty wind of 15 to 25 miles per hours with gusts to 30 will build choppy surf and raise a moderate risk of rip currents.

Temperatures today are finally beginning to subside after pushing in some areas into the mid-90s. Some of the hottest areas included Springfield and Westfield, where the temperatures rose to 96 degrees.

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Isolated or widely scattered showers are possible this evening and Friday. On Saturday, a cold front will approach from the Great Lakes, raising a greater possibility of thunderstorms.

The heat wave officially marked its fifth day in Boston at 10:15 a.m. today, when the temperature hit 90 at Logan International Airport. A sea breeze this afternoon moderated Logan temperatures into the mid-80s.

Beating the heat was difficult today for some when power went out in Jamaica Plain. Around 1:30 p.m. 2,400 NStar customers lost service, but power was restored to all customers by 3:15 p.m., said spokesman Mike Durand.

The power went out due to a failure in a section of underground wiring near Center Street, Durand said.

“Given the duration of the heat wave and increased use of electricity, our system is holding up well,” said Durand.

Saturday will likely see temperatures again rising into the 90s, bringing the heat wave to seven days. The record, set in 1912, is nine straight days.

Bay State residents will then get some much-needed relief. Sunday through Wednesday will see seasonable temperatures in the low 80s, and diminishing humidity levels. Conditions should stay sunny and dry up until Wednesday, when chances of precipitation will rise.

“Right now it looks like temperatures will remain seasonable throughout the week,” National Weather Service meteorologist Kim Buttrick said.

Mobile users unable to see the video, click here.

Jasper can be reached at jasper.craven@globe.com or on Twitter @Jasper_Craven
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