forecast September 6, 2021 4:53 am Labor Day Forecast: Sunny and Warm Monday, Labor Day: Mostly sunny, highs in the low 80s, dew points in the 60s. Monday night: Clear, lows in the low 60s. Tuesday: Sunny, upper 70s, wind from west 6-8 mph. US & World Videos 3:34 Light showers and sunny skies ahead in Boston 3:52 Sunny skies and warmer temperatures ahead of Presidents' Day