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Boston weather: Warmer but wet on Friday

The precipitation shield at 2 p.m. EDT for New England on May 30, 2014
The precipitation shield at 2 p.m. EDT for New England on May 30, 2014
http://www.intellicast.com/National/Precipitation/PrecipCast.aspx?region=hfd

Forecast discussion: I know New Englanders has heard the saying many times that if you do not like the weather in this region, wait a minute. Wasn’t it just a few days ago Boston had high temperatures in the lower 80’s a few days ago? When we all woke up this morning, you probably felt the chill in the air. The temperature dropped to 44 degrees at Logan Airport. Today, high temperatures did increase to the lower to middle 60’s with bright sunshine, which was 10 degrees warmer than Thursday’s high temperature. However, we will see some grey skies and more precipitation before we end the weekend with better weather.

High pressure off the east coast of New England gave us a picture perfect day. As we head into this evening, the high will continue to influence the weather, giving us partly cloudy skies. Going into Friday, a low pressure system coming down from eastern Canada will move into Northern New England. It will bring some scattered showers and an isolated thunderstorm by the early afternoon. The front may help create heavier rainfall Friday night, as the front passes through the area. We will see isolated showers through Saturday, before a new high pressure system brings drier air for early Sunday morning.

Our winds will begin to shift from the cold northeast direction to the warm south and southwest direction. This will help increase our high temperatures, as we will reach near 70 degrees on Sunday afternoon. We will keep the dry, sunny weather for part of Monday, but inclement weather will return. A warm front is forecast to move over New England from the west. The front will help bring showers and light rain along it by late Monday night. The computer models at this time are not sure if the front will move south before Wednesday morning. The American model moves the front, but the European model keeps the front over our area into Wednesday evening. This puts more doubt in my forecast for Thursday. A weak disturbance will pass over the area, producing some shower activity for a short period of time from the morning commute into the middle of the afternoon. However, this is the American model’s scenario. But, the front is well south of the region to allow this disturbance to pass into this area.

72 hour forecast:

Tonight: Partly cloudy skies with a low of 49.
Friday: Increasing clouds with scattered showers and a possible thunderstorm by 1 p.m. We will have a high of 67 with southeast winds of 8-11 mph.
Fenway Park Forecast (7:10 p.m. vs. Tampa Bay): Rain, isolated thunderstorms, 61.
Friday night: Light rain and isolated thunderstorms with a low of 53. Winds will shift to the north-northeast at 3-7 mph.
Saturday: Cloudy with passing showers and a high of 64.
Saturday night: Isolated showers end by 10 p.m. with clearing skies. We will see a low of 49.
Sunday: Mostly sunny with a high of 70.
Sunday night: Partly cloudy with a low of 52.

Extended Forecast:
Monday: Mostly sunny through the early afternoon, with increasing clouds and rain by 11 p.m. Highs 74-77, lows 56-59.
Tuesday: Overcast with rain/thunderstorms. Highs 70-73, lows 56-59.
Wednesday: Showers end by 5 a.m. with mostly sunny skies. Highs 70-73, lows 56-59.
Thursday: Cloudy by the early morning with scattered showers by the morning commute. Showers quickly dissipate by the middle afternoon. Highs 70-73, lows 52-55.