If you're tired of the constant hum of your air conditioning, and stifling humidity, this will be the week for you. A series of cold fronts will introduce the coolest air of the fall season beginning late Monday, and lasting through the week ahead. The stronger secondary front is racing across the Ohio Valley, and will be moving across the East late Monday. Behind the front, we'll see the mercury begin to fall Monday night into the upper 50s inland, with temperatures near 60 along the beaches. High temperatures for the rest of the week will be in the mid 70s, with a lot of sunshine. Overnight lows will be near 50, with upper 40s in some locations, especially Friday morning. Temperatures will moderate a bit heading into the weekend. The next chance for rain comes late int the weekend, with temperatures in the upper 70s. Enjoy the dry comfortable air the next several days, and dig out the sweater and heavier clothes!