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Boston weather: Heat and humidity returning

Forecast discussion: As we head into the last full week in August, Boston could not have asked for better weather. Abundant sunshine and blue skies was over Boston, but high temperatures only made it into the middle 70’s. This was due to the southeast winds coming off the ocean, as a sea breeze formed by the early afternoon. However, there were more weather stories going on across the country. But first, let’s look at our weather pattern for the next seven days.

A strong high pressure system coming down from the Great Lakes brought blue skies and abundant sunshine on Sunday to Rhode Island. We will see warmer temperatures and more humidity over the next few days. As the high moves to the east, winds will turn more to the southwest. High temperatures will climb into the middle 80’s by Tuesday with the dewpoint rising, making the air feel muggy. We will have to turn on the air conditioners once again, after having a nice, cool weekend.

The air will change by Wednesday night, as a cold front pulls through Southern New England. We may see an isolated shower into early Thursday morning, before a new high pressure system brings partly to mostly sunny skies by mid-morning. As we head into the Labor Day weekend, a cold front will bring some scattered showers by early Saturday morning. The front will remain over us on Sunday, giving us all day showers and possible thunderstorms.

Meanwhile, we have an active tropical in the Atlantic. Tropical Storm Cristobal is now centered at 24.6N 73.1W, or about 95 miles east-northeast of San Salvador, as of 8 p.m. EDT. Maximum sustained winds are at 45 mph, and is moving north-northwest at 6 mph. Cristobal is forecast to become a hurricane by Wednesday afternoon. All of the spaghetti models indicate a turn to the north and northeast over the next 48 to 72 hours. So, Cristobal is considered to not be a threat to the U.S. east coast at this time.

Finally, Napa Valley was hit with a magnitude 6.0 earthquake this morning. Historic buildings and some apartments are now considered inhabitable until repairs can be made to them. At this time, 120 people received minor injuries, with six people in critical condition. This came at a crucial time for the people of Napa Valley. Winemakers were beginning to harvest the 2014 crops. In turn, thousands of bottles and barrels broke. For more on the story, click here.

72 hour forecast:

Tonight: Clear skies with a low of 61.
Monday: Mostly sunny with the humidity slowly rising. We will see a high of 83 with east-southeast winds of 9-12 mph.
Monday night: Partly cloudy with a low of 65. Winds will come from the south-southwest at 5-8 mph.
Tuesday: Mostly sunny and more humid with a high of 85.
Tuesday night: Partly cloudy with a low of 66.
Wednesday: Mostly sunny through the morning, with partly sunny skies by the afternoon. We will see a high of 87. An isolated shower is possible by the evening commute.
Wednesday night: Mostly cloudy with the risk for a shower and a low of 69.

Extended Forecast:
Thursday: Partly to mostly sunny. Highs 78-81, lows 60-63.
Friday: Mostly sunny with mostly cloudy skies by midnight. Highs 72-75, lows 59-62.
Saturday: Mostly cloudy with showers possible by the late morning. Highs 74-77, lows 61-64.
Sunday: Showers and possible thunderstorms. Highs 75-78, lows 64-67.