Warmth will hold around New York City through Monday, but the return of colder air is on the horizon.
High temperatures in most areas through Monday will be within a few degrees of 70.
Typical of the spring, the cool coastal waters will exert an influence along the south shore of Long Island, coastal Connecticut, the New Jersey beach communities and at times Manhattan.
On the other hand, the farthest outlying suburbs will see temperatures approach or reach 75 F.
Chilly air plunging into the Plains will swing eastward in the upcoming days.
After blissful springtime temperatures over much of the region on Monday, rain will put the brakes on the warming trend on Tuesday.
High temperatures on Wednesday will be held to the 50s. It is not out of the question for frost to then form in some of the northern and western suburbs at night.
Temperatures should rise to more seasonable levels by Friday.
The late-season swelter will continue along much of the Atlantic Seaboard through the week as tens of millions head back to school and work.
Tropical depression five has formed in the southwestern Gulf of Mexico's Bay of Campeche and will continue its west-northwest path during the next couple of days.
A second volcanic eruption occurred on Sunday morning in Iceland in the same area that had one on Friday.
Severe thunderstorms will threaten holiday festivities across parts of the Midwest and central Plains to close out the extended Labor Day weekend.
While flooding is a threat, monsoonal rains will be beneficial for most areas across northwest India this week.
Gusty winds, large hail and power outages occurred Sunday into Monday morning in the north-central United States.
Washington Co., IA (1897)
Hail fell and drifted in piles 6 feet deep in Washington County.
Yuma, AZ (1950)
123 degrees - hottest temperature ever in Yuma. Yuma is the hottest city in the U.S.
Los Angeles, CA (1955)
110 degrees, hottest day ever in September. This mark was tied September 4, 1988.