A high pressure system will move south of New England today, prompting a warming trend through the end of the week. A few showers could pop up Thursday and over the weekend, but a washout on any one day is unlikely, according to the National Weather Service.

Today will be mostly cloudy with a high near 55. A few breaks of sun are possible through the day, and a slight west wind will bring gusts up to 10 miles per hour. Clouds will dissipate somewhat overnight, and temperatures will fall into the low 40s, according to the weather service. Fans attending Game 6 of the World Series at Fenway Park tonight — hopefully the series-clinching game — should bundle up for the cold, but no rain is expected.

Thursday will see clouds develop through the day, and temperatures should climb into the low 60s. Showers are possible after 1 p.m., and a powerful south wind could bring gusts close to 25 miles per hour, according to the weather service. Showers could continue overnight. A hazardous weather outlook has been issued beginning Thursday night for strong winds that could sweep across the state. Temperatures will fall into the upper 50s overnight, so trick-or-treating shouldn’t be a bone-chilling affair. Still, with the possibility of wind and rain, conditions will be far from ideal.

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“It should be pretty warm, but there could be a chance of some rain showers during the Halloween time frame,” said William Babcock, weather service meteorologist.

Friday will see more rain, which could begin in the morning and continue until around 5 p.m. Clouds will cover the sky and temperatures should reach into the low 70s, according to the weather service. Strong winds will likely continue Friday, bringing gusts up to 45 miles per hour. Temperatures will drop to the low 50s overnight, and there’s an outside chance of rain.

“Friday we will still be on the warm side of this system,” Babcock said. “But then we will start cooling off, with Sunday seeing lows in the low 40s. It could be even cooler on Monday.”

The weekend should be mainly pleasant, with mostly sunny skies predicted for Saturday and Sunday. A few sprinkles may fall Saturday, but no significant precipitation is expected. High temperatures will hover in the low 50s through the weekend.