Waltham Weather Outlook: Jan. 7 to Jan. 14, 2026 

A notable pattern change unfolds this week, transitioning from early-week wintry hazards to a milder and wetter stretch late week and through the weekend. Freezing rain creates travel issues early Wednesday before conditions improve, followed by a brief dry break and then multiple rounds of rain. Cooler, breezy weather returns late Sunday into early next week, with quieter conditions settling in by midweek.