NWS Forecast for: Waltham MA Issued by: National Weather Service Norton, MA Last Update: 10:30 pm EDT Jun 23, 2018

Tonight: A slight chance of showers and thunderstorms. Cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%. Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce gusty winds and heavy rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday Night: Showers and thunderstorms likely, mainly before 1am, then isolated thunderstorms after 4am. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 62. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Monday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 71. North wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: Partly cloudy, with a low around 53. Northeast wind 5 to 7 mph becoming calm in the evening. Tuesday: Sunny, with a high near 80. Tuesday Night: Mostly clear, with a low around 57. Wednesday: Mostly sunny, with a high near 84. Wednesday Night: A chance of showers after 3am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%. Thursday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 10am, then a chance of showers after 10am. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. Thursday Night: Mostly cloudy, with a low around 67. Friday: Mostly sunny, with a high near 90. Friday Night: Partly cloudy, with a low around 69. Saturday: Mostly sunny, with a high near 92.

Waltham MA  42.38°N 71.24°W (Elev. 98 ft)

Visit your local NWS office at: http://www.weather.gov/boston