Tomorrow's high is close to seasonable at 54 degrees.
"The storm has the potential for blizzard-like conditions and a snowfall rate of one to three inches per hour". Travel could be hard due to periodic low visibility.
Forecast models don't yet seem to agree Monday's storm will be a third nor'easter, but the National Weather Service is showing this round of weather will be bringing some additional snowfall. Then, there's a chance of rain showers.
The storm will arrive Monday evening with light snow initially, but the steadier and heavier snow will arrive Tuesday morning, tapering off Tuesday afternoon. A winter storm watch is in effect for 8.5 million people in New England, including residents of Boston, Massachusetts, and Portland, Maine. Forecast models are coming into agreement bringing this storm closer to the southern New England coast which could means accumulating snows for much of MA with higher amounts to the east, though track will be critical. "Downed trees, tree limbs and power outages due to heavy wet snow and wind". It appears significant precipitation will not arrive until after midnight and quite possibly not until after 3 a.m., beginning as a mix of rain, sleet and snow, changing to all snow by sunrise, generally from north to south and higher elevations to lower elevations. Forecasters remind drivers to be prepared, travel with food, water and an extra flashlight.