Waltham Weather Forecast for Tomorrow



Showers and thunderstorms likely before 2pm, then a slight chance of showers between 2pm and 3pm. Some of the storms could produce gusty winds and heavy rain. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a temperature rising to near 55 by 9am, then falling to around 42 during the remainder of the day. South wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Mostly clear

Mostly clear


Mostly clear, with a low around 29. West wind 11 to 14 mph, with gusts as high as 32 mph.