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Boston Weather: 39.0°F | Fair

Weather: Fickle February

Weather

Fickle February


By Gerard Roe
Staff Meteorologist

We will continue to experience extremely mild weather for the next day or so, but rain and cold will follow closely behind. Temperatures have remained resiliently high over the past few days despite strong winds blasting down out of the north. This is largely due to a mid-troposphere phenomenon; a large quasi-stationary trough out over the west producing southerly winds over most of the country is propping up temperatures nearer the surface. Good things do not last, however, and a gradual migration east of the aforementioned trough will bring precipitation and pull temperatures sharply down to more seasonal levels. A weak low developing to the south and east will stave off the advance of a warm front for most of Tuesday morning. However, high clouds due to the overrunning warm air will develop during the afternoon, and a drop in the wind heralds the surface front which will come through Tuesday night.

Light precipitation will most likely start by early Wednesday morning, peaking about lunchtime. Partial clearing behind the cold front brings on a chilly Thursday, with not much respite in site before the end of the week.

Today: Mostly sunny in the morning. High clouds developing during the afternoon. Winds more moderate than recently at 10-15 mph (16-24 kph) and out of the north changing to southerly in the afternoon. High 51F (11C).

Tonight: Cloudy with rain developing around midnight. Low 40F (4C).

Wednesday: Rain stopping by mid-afternoon. Then partial clearing and colder. High 51F (11C). Low 28F (-2C).

Thursday: Fair and cold. High 34F (1C). Low 22F (-6C).