Monday
Becoming sunny
High:
82°F
Partly sunny, then gradually becoming sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Waltham, MA Weather - Tomorrow’s Forecast
Monday Night
Mostly clear
Overnight low:
59°F
Mostly clear, with a low around 59. Southwest wind 3 to 6 mph.