Sunday
Hot
High:
93°F
Increasing clouds and hot, with a high near 93. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Waltham, MA Weather - Tomorrow’s Forecast
Sunday Night
Chance of showers
Overnight low:
63°F
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 63. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.