Warmer-than-normal temperatures may spread across the northern U.S. while most of the East Coast remains seasonal through the first week of October.
Temperatures from the Pacific Northwest to northern New England will be about 3 to 5 degrees Fahrenheit higher than usual from Sept. 28 to Oct. 7, while much of the Midwest and East have normal readings, said Matt Rogers, president of Commodity Weather Group LLC in Bethesda, Maryland. Readings across central Canada may be much warmer.
"Outside of some stronger cooling for the interior West in the short range," the outlook for the 6- to 15-day forecast "is one of very few extremes overall as the main impressive warm anomalies reside in Canada," Rogers said in an e-mailed forecast today.
Energy traders watch temperature fluctuations to gauge how much natural gas, oil and coal will be needed for heating homes and businesses. When daily averages fall below 65 degrees there is usually a boost in demand for the day.
Above-normal temperatures are expected to cover the West from British Columbia to California, according to MDA Weather Services in Gaithersburg, Maryland. Readings in western California may be 5 to 8 degrees above the usual from Oct. 3 to Oct. 7.
The daily average temperature in New York on Oct. 2 is about 62 degrees, according to MDA. In Boston it’s 58; in Chicago, 57; St. Louis, 63; Houston, 74; Seattle, 57; and in Burbank, California, it’s 70.