Here’s the updated daily weather forecast for Lexington, MA, from Friday, December 13 to Friday, December 20 by Meteorologist Matthew Moll of New England Weather Consulting:
Frosty mornings and chilly nights Friday through Saturday may create icy patches, requiring caution for travel and outdoor activities. From Sunday night through Tuesday, increasing clouds and rain will lead to wet roads and slower commutes, with slippery conditions possible during the evenings as temperatures drop. By midweek, mostly cloudy skies and cooler temperatures will persist, with a chance of overnight rain showers affecting outdoor plans. The return of sunny, crisp conditions on Friday will offer a bright but chilly end to the week, ideal for holiday shopping or outdoor errands.
Friday, December 13: Sunny, with a high near 32°F. Winds from the west around 7 mph. Evening temperatures will fall to around 19°F under mostly clear skies, with calm winds. A cold day with clear skies leading to a crisp and chilly night. Dress warmly if heading outdoors in the evening.
Saturday, December 14: Sunny, with a high near 33°F. Light winds from the northwest. Evening temperatures will dip to around 21°F under partly cloudy skies, with calm winds. A calm and cold day, with temperatures falling quickly after sunset. Prepare for the chill if spending extended time outdoors.
Sunday, December 15: Mostly cloudy, with a high near 40°F. Winds will be calm, becoming southeast at 5 to 7 mph in the morning. Evening temperatures will drop to 30°F under mostly cloudy skies. Rain is possible overnight as temperatures rise slightly. Plan for wet conditions later in the night.
Monday, December 16: Cloudy, with a high near 46°F. Winds from the east at 6 to 8 mph. Evening temperatures will fall to around 38°F under mostly cloudy skies. Rain may develop during the day and continue into the evening, creating wet roads. Exercise caution during commutes or travel.
Tuesday, December 17: Cloudy, with a high near 52°F. Winds from the southwest at 6 to 8 mph. Evening lows will drop to 42°F under overcast skies. Scattered rain is possible throughout the day, making for wet conditions. Be cautious of slick roads, especially during the evening hours.
Wednesday, December 18: Mostly cloudy, with highs near 50°F. Winds from the northeast at 5 to 8 mph. Evening temperatures will fall to 35°F under cloudy skies. Rain showers may develop later in the evening, which could lead to slick conditions on untreated roads and sidewalks.
Thursday, December 19: Partly sunny, with highs around 41°F. Winds from the northwest at 5 to 10 mph. Evening temperatures will drop to 26°F under mostly clear skies. A colder day with temperatures falling sharply after sunset. Bundle up if you have outdoor evening plans.
Friday, December 20: Mostly sunny, with a high near 38°F. Winds from the west at 5 to 8 mph. Evening lows will drop to around 24°F under clear skies. A calm and cool day, with clear evening skies providing a crisp end to the week.