Metro

Temperatures to rise into midweek, then cool off

Temperatures will rise over the next couple of days before cooling off following some possible rain midweek, the National Weather Service said, and rip currents generated by Hurricane Cristobal may affect the Cape by Thursday.

Today will be sunny with above-average temperatures, said Kim Buttrick, a National Weather Service meteorologist. Temperatures may reach the upper 80s in the Boston area.

Wednesday will be even warmer, but some showers could move in.

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“There is a risk for showers in the Boston area tomorrow afternoon into the evening,” Buttrick said. “Right now, it’s a slight risk.”

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By Thursday, temperatures will cool down a bit, with high temperatures in the upper 70s, but the sun will likely be out all day.

Thursday, with its sunny skies and warm temperatures, will likely attract many beachgoers, but rough surf from Hurricane Cristobal “will translate to a greater potential for rip currents,” Buttrick cautioned.

“On its current projected path ... it’s going to be generating the waves today and tomorrow, and those are expected to reach the coast by Thursday.”

Though Cristobal will be passing “well offshore” of Nantucket at about 8 a.m. Thursday, the rough surf and rip currents will persist throughout the day, Buttrick said. Residual rough seas may be seen on Friday.

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Temperatures will be cooler Friday, in the mid-70s, but the sun will stick around.

Buttrick said there is a chance for showers in the area Saturday and Sunday, as the holiday weekend begins, but it’s too early to tell when.

Kiera Blessing can be reached at kiera.blessing@globe.com.