Weather July 15, 2019 5:30 am Heat Wave Possible This Weekend With Increased Temps Today (Monday): Warm but not humid, sunny. Highs in the middle 80s. Overnight Monday Night: Partly cloudy, comfortable. Lows in the 60s to around 70. Tuesday: Hot with sun. Highs around 90. US & World Videos 1:29 Sumner Tunnel in Boston to close for one month 2:17 Testimony underway in Karen Read murder trial 2:03 Mass. school officials threaten to suspend student protesters 2:13 Karen Read trial Day 6: Witness testimony resumes 4:02 ‘To Catch a Contractor' series leading to changes