Warm Through the End of the Work Week

High pressure has shifted south of the region and anchored in place over the Southwest Atlantic – in classic “Bermuda High” fashion. The result is a warm southwest flow of air up and down the Eastern Seaboard and well above normal temperatures over much of the eastern half of the United States. This pattern will hold through the end of the week, ensuring several days of nice weather.

Here on the Cape we can expect several days with temperatures in the 70s and a fair amount of sunshine through the remainder of the work week. The only forecast challenges and potential weather hiccups include a gusty southwest wind today and Thursday and the development of any nighttime low clouds and fog.

The southwest flow of air will pump increasingly humid air northward over the next couple of days, with dew point values climbing into the 60s. As the incoming warm and moist air rides over the cooler ocean it may yield some patchy shallow dense fog. Should it develop in spots, the deck of low clouds and fog would be most prevalent at night and tend to thin out and retreat seaward during the day…with the best odds of it inside of Buzzards Bay and along Vineyard and Nantucket Sounds.

Warm Southwest Flow

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