forecast September 15, 2020 12:16 pm Sunny and Cool Tuesday Tuesday: Sunny and cool with some Western U.S. wildfire smoke. Highs in the 60s. Overnight Tuesday: Clear, cool. Lows in the 40s. Wednesday: Becoming breezy and milder with sun. Highs in the 70s. US & World Videos 3:43 Look out for showers this afternoon in Boston 3:27 A lot cooler in New England Friday 3:02 Dry and cooler in our region, with temps in the mid-50s 3:11 The weather's great, but the wheels come off the forecast by the weekend 3:14 Weather forecast: Highs near 70 degrees