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Boston weather: Clouds and showers arrive on Tuesday

The weather map for Southern New England at 2 p.m. EDT on April 22, 2014. Showers will begin by 6 p.m.
The weather map for Southern New England at 2 p.m. EDT on April 22, 2014. Showers will begin by 6 p.m.
www.weather.gov

Forecast discussion: High pressure was in full control of our weather in Boston the last few days. Although it was cooler on Easter due to northeast winds, the winds turned to the southeast and south on Monday. This helped make temperatures almost picture perfect for the Boston Marathon. According to the race organizers, 36,000 runners participated this year, with 1 million viewing the race. For more details on today’s race, click here. Unfortunately, the good weather will come to an end, as we have the chance for some showers this week.

High temperature forecast for April 22, 2014
www.weather.gov

The first bout of showers will arrive by Tuesday evening. The cold front is now located west of the Great Lakes. We will begin to see some high clouds by dawn. We will see overcast skies by the afternoon, with some showers arriving during the evening commute. We will see showers through Tuesday night, with the return of some patchy fog. However, the precipitation will be short lived, as the front will be offshore by Wednesday morning.

High pressure currently over the Rocky Mountains will begin to build over New England. But, the low will still only be leaving the Gulf of Maine. So, we will see breezy conditions Wednesday afternoon, but high temperatures will still be near 60. It will remain breezy on Thursday, as the low continues to move into Nova Scotia, with the high’s center moving closer to New England. The high will continue to influence our weather by Friday, when a weak cold front will move into New England by the evening. Showers will end by dawn, and we will see limited sunshine for Saturday.

As we end the weekend, the low pressure center will become stationary north of the Gulf of Maine. There is still the chance for isolated showers on Sunday, but high pressure will build in by Monday morning. Temperatures will remain seasonable for the extended period.

72 hour forecast:

Tonight: Partly cloudy with a low of 45.
Tuesday: Overcast by the afternoon with showers developing by 6 p.m. We will have a high of 66 with south-southwest winds of 14-17 mph.
Fenway Park Forecast (7:10 p.m. vs. New York Yankees): Cloudy, scattered showers, 59.
Tuesday night: Showers/light rain with patchy fog and a low of 49. Winds will shift to the west-northwest and increase to 10-13 mph before dawn.
Wednesday: Showers end by 8 a.m. and becoming breezy. We will see partly sunny skies by the early afternoon. We will see a high of 59.
Wednesday night: Partly cloudy with a low of 40.
Thursday: Mostly sunny but breezy with a high of 60.
Thursday night: Partly cloudy with a low of 42.

Extended Forecast:
Friday: Partly sunny by mid-afternoon, with possible showers for the evening. Highs 60-63, lows 45-48.
Saturday: Showers ending before dawn, but remaining partly sunny. Highs 61-64, lows 44-47.
Sunday: Mostly cloudy with possible showers through the day. Highs 59-62, lows 41-44.
Monday: Showers end by 2 a.m. with mostly sunny skies by the afternoon. Highs 59-62, lows 42-45.