Temperatures across the Boston area will vary throughout the week of October 25 to 31, beginning with milder conditions on Sunday and ending with a mild Halloween Saturday.

Sunday is expected to be mild, followed by a warm day on Monday. Cooler air will arrive on Tuesday, bringing lower temperatures that continue into Wednesday. Temperatures are set to rise again on Thursday and Friday, leading into a partly sunny, mild Halloween Saturday.

The forecast shows a pattern of shifting temperatures, with the cooler air on Tuesday marking the primary change in the midweek period.