September 23, 2015 10:15 am Weather Forecast: 1st Day of Fall Temps Today (Wednesday): Sunny, delightful. Highs in the 70s. Overnight Wednesday Night: Mostly clear, calm. Lows in the 50s. Thursday: Fair, pleasant. Highs in the 70s. US & World Videos 3:13 Weather forecast: Another cold night 3:13 Forecast: Sunny but frigid 3:42 Forecast: Arctic airmass tightens its grip on New England 3:29 Forecast: Way below freezing 3:36 Weather forecast: Extreme cold continues