Enjoy the sunny start to August before showers move in tonight; Saturday expected to be best day of weekend

After a sweltering July, with 12 days of temperatures hitting at least 90 degrees, August will begin with more seasonable temperatures and some rain.

A cold front over the Great Lakes will swing east tonight, generating showers and scattered thunderstorms over Massachusetts after 5 p.m. Today will be partly cloudy and will see seasonable temperatures around 82 degrees, according to the National Weather Service.

Eastern Massachusetts will see the highest temperatures and the most sunshine. Heavy showers could bring 2 inches of rain to southwestern Massachusetts by the end of the day, according to the weather service. Thunderstorms are likely after midnight, and a south wind will develop, creating gusts up to 20 miles per hour.

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Patchy fog and showers from Thursday night will push into Friday. Showers and thunderstorms are likely before 1 p.m., when clouds will give way to sun. The high for Friday is 84 degrees. Friday night will be mostly clear, with a low around 65 degrees, according to the weather service.

The weekend should be pleasant, though widely scattered showers and thunderstorms are possible both Saturday and Sunday. Temperatures should remain in the 80s right through the weekend, with skies staying mostly sunny.

“There is a low possibility of scattered showers over the weekend,” said weather service meteorologist Charlie Foley. “If I had to pick the best day of the weekend, I would pick Saturday, but it’s not going to be a bad weekend at all.”