National Weather Service Forecast for: Marlboro MA
Issued by: National Weather Service Norton, MA
Updated: 2:14 am EDT Jun 30, 2026
 
Today

Today: Mostly sunny, with a high near 88. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Mostly Sunny

 Tonight

Tonight: A chance of showers and thunderstorms, mainly between 9pm and 4am. Mostly cloudy, with a low around 68. South wind 8 to 10 mph. Chance of precipitation is 40%.
Chance
Showers

 Wednesday

Wednesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 106. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Partly Sunny
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. West wind 5 to 7 mph. Chance of precipitation is 30%.
Chance
Showers

 Thursday

Thursday: Sunny and hot, with a high near 100. West wind 6 to 9 mph.
Hot

 Thursday
Night
Thursday Night: Mostly clear, with a low around 75. West wind 5 to 8 mph.
Mostly Clear

 Friday

Friday: Sunny and hot, with a high near 100. West wind 7 to 10 mph, with gusts as high as 22 mph.
Hot

 Friday
Night
Friday Night: Mostly clear, with a low around 71. West wind around 6 mph.
Mostly Clear

 Independence
Day
Independence Day: A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95. West wind 5 to 8 mph. Chance of precipitation is 30%.
Sunny then
Chance
T-storms
Hi 88 °F Lo 68 °F Hi 97 °F Lo 75 °F Hi 100 °F Lo 75 °F Hi 100 °F Lo 71 °F Hi 95 °F

Extreme Heat Warning
 

Today
 
 Mostly sunny, with a high near 88. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
 
 A chance of showers and thunderstorms, mainly between 9pm and 4am. Mostly cloudy, with a low around 68. South wind 8 to 10 mph. Chance of precipitation is 40%.
Wednesday
 
 A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 106. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
 
 A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. West wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday
 
 Sunny and hot, with a high near 100. West wind 6 to 9 mph.
Thursday Night
 
 Mostly clear, with a low around 75. West wind 5 to 8 mph.
Friday
 
 Sunny and hot, with a high near 100. West wind 7 to 10 mph, with gusts as high as 22 mph.
Friday Night
 
 Mostly clear, with a low around 71. West wind around 6 mph.
Independence Day
 
 A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95. West wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
 
 A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Light west wind. Chance of precipitation is 30%.
Sunday
 
 Mostly sunny, with a high near 88. Northwest wind 3 to 6 mph.
Sunday Night
 
 Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.
Monday
 
 A chance of showers. Partly sunny, with a high near 87. East wind 3 to 7 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Marlboro MA.