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Boston Weather: 39.0°F | A Few Clouds

Weather: Another Arctic Blast, Temporarily

By Michael J. Ring
STAFF METEOROLOGIST -- Two more mild days are in store at the beginning of this long weekend, before passage of a clipper system which will bring a return to January-like temperatures, at least for a few days.

The cold front, currently stretched over south-central Canada, will drop southeastward over the next few days. Ahead of the front, southwesterly flow will prevail, bringing warmer-than-normal temperatures over the next 48 hours. There is an outside chance that Saturday’s high could reach 50°F (10°C). A few flurries may occur as the front passes overnight Saturday, but accumulation should be minor.

After the frontal passage, winds will shift to the northwest, and much colder air will prevail. Sunday will be over 20°F colder than Saturday. This cold air mass will be temporary, however, and temperatures should rebound by the middle of next week.

Most of the country will share our quiet weather this weekend. The two exceptions are the Gulf Coast and Pacific Northwest states, which may both see heavy rain this weekend.

Weekend Outlook

Today: Partly cloudy with seasonably mild temperatures. High near 43°F (6°C).

Tonight: Partly cloudy. Low near 25°F (-4°C).

Saturday: Increasing cloudiness and warmer. High near 47°F (8°C).

Saturday night: Cloudy with flurries. Colder with lows near 15°F (-9°C).

Sunday: Sunny but cold. High near 20°F (-7°C). Low near 5°F (-15°C).