Waltham, MA Weather - Tomorrow’s Forecast

Saturday

Patchy smoke

High:
85°F

A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Patchy smoke. Increasing clouds, with a high near 85. Southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Heavy rain

Overnight low:
68°F

Showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Low around 68. Southwest wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.