Updated Sep. 26, 2019 3:18 AM
In what has been a very warm summer for millions across the Northeast, the continued heat is forecast to persist for many through the weekend and into next week.
While the temperature on the thermometer may not read quite as warm as it would during a July heat wave for places like Washington, D.C. or Philadelphia, the departure from the average temperatures will prove that this early fall heat is just as impressive.
"Temperatures are likely to remain above average for the balance of September and into early October," according to AccuWeather Senior Meteorologist Dave Dombek.
"People should keep in mind that normal temperatures are trending downward at a quick pace on a day-to-day basis this time of the year," Dombek said.
For example, around Philadelphia, the average high on Sept. 25 is 75 degrees Fahrenheit, but just 10 days later on Oct. 5, the average high drops 5 degrees to 70.
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During this 10-day stretch, Philadelphia is expected to have temperatures well above average, with little, if any rainfall.
Farther north across New England, some interior locales can expect to have temperatures closer to seasonable averages as a storm system sliding southward out of Canada will bring a cooler air mass into the area. Many of these same areas can also expect wet weather Thursday as the system tracks through the region.
The storm system will track off the Atlantic coast by Friday, bringing a return of dry and settled conditions once again as high pressure settles in.
Many Northeastern and mid-Atlantic cities have had a lot of hot days in 2019 so far. Washington, D.C., has observed 58 days this year at or above 90 degrees Fahrenheit. Thursday and Saturday may reach that mark once again as the heat builds back in.
The warmer weather and lack of an early frost across the Northeast is good news for farmers late in the season as the weather pattern will aid in extending the harvesting season. Many areas struggled to get crops in the ground early in the growing season due to too much moisture, so a cooperative forecast late September and early October will aid in crop yields.
While the warmer weather may aid area farmers, extended summerlike conditions may put a strain on fall foliage across the region. Extended late-season heat and below-average rainfall can put extra stress on local trees, causing foliage to not appear as vibrant as it could be given better conditions.
The overall upper-level pattern suggests that not only the Northeast, but much of the eastern half of the country can expect above-average temperatures to round out the month of September.
Latest forecasts suggest the trough of low pressure across the Pacific Northwest may finally become more progressive in its eastward movement next week, ushering in cooler air mid- to late next week.
Download the free AccuWeather app to stay aware of the latest forecast for your area. Keep checking back for updates on AccuWeather.com and stay tuned to the AccuWeather Network on DirecTV, Frontier and Verizon Fios.
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