Weather January 12, 2020 9:28 am Weather Forecast: Could Boston Hit 70 Degrees? Sunday: Morning downpours, windy. Afternoon clearing. Highs around 70. Sunday Night: Partly cloudy. Lows in the 30s. Monday: Mostly cloudy. Highs around 40. US & World Videos 3:40 Second round of rain on the way, isolated thunderstorms possible 3:02 Weather forecast: Morning showers, with afternoon thunderstorms 2:40 Weather forecast: Several rounds of heavy rain, thunderstorms 2:11 Weather forecast: Rain and showers 3:13 Weather forecast: Clear and sunny, with temps in the 70s