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Boston Weather: 47.0°F | A Few Clouds

Weather: A Second Arctic Blast

By Michael J. Ring
STAFF METEOROLOGIST -- Yesterday’s high of 40°F (4°C) in Boston was not particularly unseasonable (the normal high for January 13 is 36°F), but it was nearly tropical compared to the chilling cold of last week -- and the rest of this week. Boston’s first below-zero temperature in ten years was recorded last week, and more sub-zero readings are likely in the next few days.

A cold front passed through the region yesterday afternoon, ending the interregnum of seasonal temperatures and marking a return to the extreme, bitter cold. Today’s highs will be about 30°F (17°C) colder than those of yesterday, and the strong northwesterly wind in the wake of the front will guarantee sub-zero wind chills.

The worst of this frigid air will occur Thursday and Friday, with a gradual moderation through the weekend. Still, temperatures should run below their normal values well into next week.

Extended Forecast

Today: Very cold with gusty winds. High near 10°F (-12°C).

Tonight: Partly cloudy with frigid temperatures. Lows near zero (-18°C).

Thursday: A chance of snow showers early. Continued very cold and windy. High near 10°F (-12°C). Near-record cold at night; low near -5°F (-20°C).

Friday: Clear and continued cold. High near 8°F (-13°C), low near -5°F (-20°C).

Saturday: Clear and not as cold, though temperatures will still be well below normal. High near 20°F (-7°C).