Waltham, MA Weather - Tomorrow’s Forecast

Friday

Mostly sunny

High:
90°F

A slight chance of showers between 2pm and 3pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 95. Light and variable wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

Showers likely

Overnight low:
66°F

Showers and thunderstorms likely before 2am, then a slight chance of showers. Increasing clouds, with a low around 66. East wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.