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Boston Weather: 69.0°F | Overcast

Weather: First Signs of Fall ?

By VeroniquÉ Bugnion
STAFF METEOROLOGIST -- The dewpoint temperature is an indicator of the amount of moisture in the air, the closer it is to the air temperature, the more humid the air feels. The dewpoint took a tumble last night, and went from the 60s down to the 40s as a cold front pushed across New England from the North-West.

Not much is expected over the next 48 hours as a high pressure system, currently centered over the Great Lakes, slowly settles in over New England. Because of its origin and the clockwise flow associated with it, this system will bring us cool and dry air, and windy conditions today. The clouds should dissipate during the day as the front finishes to push through and the pressure starts rising.

Conditions on tuesday should be mostly sunny, a little warmer and less windy.

As for Dennis, the odds are that it will go out to sea, pushed out by the cold front which passed over our heads last night. Should it however decide to have an impact on New England weather, that would not happen before wednesday.

Monday: Partly cloudy, breezy and cool. Winds 15-20 mph (25-30 kmh). High in the upper 60s (20°C)

Monday night: Clear and cool, low around 55°F (13°C)

Tuesday: Mostly sunny, high around 70°F (21°C)