Chilly Start to Day Before Gradual Warm-Up

The weak low-pressure system that brought flash flooding to New England yesterday has moved offshore and is intensifying to a powerful ocean storm. Now we have high pressure moving in from Canada bringing nothing but sunshine.

That storm at sea and this high-pressure system are going to slow to a crawl as we resume a blocking pattern in the atmosphere. That means day after day of sunshine with temperatures slowly moderating.

This high-pressure system with light wind and such dry air means we can cool to frosty 30s and 40s at night, while by day we warm up to near 70 degrees, and then close to 80 degrees by mid-week.

For this afternoon, we have sunshine with temperatures in the 60s at Gillette Stadium and Fenway Park and all the fairs and festivals. Wind is from the northwest 10 to 20 miles per hour.

A big bright moon in the sky with a clear sky tonight, low temperatures in the 30s and 40s with patchy fog and frost.

Sunshine tomorrow will be close to 70 degrees.

Sunshine continues Tuesday with a high in the 70s, though it will be cooler at the coast with the light onshore breeze.

A front approaches from the west Wednesday with increasing clouds late, and temperatures pushing 80 degrees.

That front will tend to stall and weaken over New England Thursday and Friday with sunshine mixed with clouds, and a chance for a shower or two.

Temperatures are still on the warm side Thursday in the 70s to near 80 degrees, but cooling on Friday back down to the 60s.

The early call for next weekend is mostly dry weather and seasonable temperatures.

We will be watching to the south for possible action developing in the Gulf of Mexico and near Florida. At the same time, there's another mountain snowstorm out west.

But overall it's a fairly quiet weather pattern for New England.

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