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Boston Weather: 36.0°F | A Few Clouds

Weather - Peak Foliage

Weather

Peak Foliage

By Marek Zebrowski
staff meteorologist

As soon as the cold front and a low pressure system clear the eastern coastal areas by daybreak Friday, a large high, centered over Indiana, will slowly move eastward. Complete clearing will arrive only after an upper air trough swings through later today, sweeping away the low level moisture and stabilizing the air mass. As the high pressure moves toward the mid-Atlantic shores, winds will diminish and light frost is expected in most inland locations by dawn on Saturday.

Skies will remain fair for both Saturday and Sunday, with some moderation in temperatures and gradual increase in high cloudiness. By later on Sunday, ahead of a fast-moving storm in central Canada, upper level moisture will stream in from the West on the back side of the ridge. Thus, the Columbus Day outlook is for more clouds and some light rain, especially in northern New England. A cold front, expected to swing in by the middle of next week, is likely to bring the coldest temperatures of the season so far.

Today: Becoming partly to mostly sunny with a cool high of 54F (12C) and moderately chilly northwesterly breeze.

Tonight: Clearing and nearly calm. Low near 40F (4C) in the city, 30s (-13C) elsewhere.

Saturday: Mostly sunny and a touch milder. High 58F (14C) with some light seabreezes possible near the coast.

Sunday outlook: Fair with highs near 60F (16C), lows in mid 40s (56C).