 Auctions returns to the PA Farm Show Complex in Harrisburg July 24th to 27th with 1,200 American muscle cars, classics, Corvettes, trucks, customs and more. Details at Mecham.com. Dave Dildine, WTOP Traffic. It's another day of low humidity, relatively low temperatures compared to that stretch of really hot and humid weather we had. Temperatures in the low 80s at this moment. Here's 7 News First Alert Meteorologist Steve Rudin.