Rain, higher humidity set to return to the Northeast this week

By Eric Leister, AccuWeather senior meteorologist
September 25, 2018, 5:11:12 AM EDT

A cool start to autumn will give way to increasing warmth and humidity across the Northeast in the coming days.

The recent arrival of chilly air will last into Monday. However, changes are on the way as rain, along with higher humidity, returns.

High temperatures will be 6-12 degrees below normal from Washington, D.C. to Boston on Monday.

In fact, the temperature may fail to reach 60 degrees in Boston for the first time since June 4.

NE 9/23

Farther south, high temperatures in the middle to upper 60s are forecast from New York City to Washington, D.C.

Along with the continued chill in the air, rain will fall throughout the day in Washington, D.C. and Baltimore and spread into Philadelphia during the afternoon hours.

Another dry day is expected on Monday from New York City to Boston, as well as the rest of New England.

The rain will spread into New York City Monday night and could hamper the morning commute on Tuesday. Rain will continue to fall throughout the day on Tuesday.

Northeast 9/23

Residents from Providence to Boston can expect rain to spread into the area during Tuesday morning, with the heaviest rain expected during the late afternoon and evening.

More rainfall is set to arrive across the Northeast from Wednesday into Wednesday night as a cold front sweeps across the region.

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Ahead of this front, a surge of warmth and humidity will briefly settle across the Northeast.

Temperatures will approach 80 degrees from New York City to Boston and be accompanied by much higher humidity, making it feel even warmer.

Showers and thunderstorms will reach these areas late in the afternoon and last into the evening hours.

The combination of warmer air and higher humidity will create an AccuWeather RealFeel® Temperature near 90 degrees in Philadelphia, Baltimore and Washington, D.C. on Wednesday before showers and thunderstorms roll through the area late in the afternoon and evening.

While widespread severe weather is not expected, locally damaging winds and downpours can result in travel disruptions.

Cooler and less humid air will overspread the Northeast and mid-Atlantic on Thursday.

Download the free AccuWeather app to know exactly when rain will be in your area.

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