National Weather Service Forecast for: Plymouth MA
Issued by: National Weather Service Norton, MA
Updated: 12:46 am EDT Jun 30, 2026
 
Overnight

Overnight: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 63. Calm wind.
Patchy Fog

Tuesday

Tuesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 84. South wind 5 to 13 mph.
Patchy Fog
then Mostly
Sunny
Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 69. Southwest wind 11 to 13 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Wednesday

Wednesday: A slight chance of showers and thunderstorms before 10am.  Partly sunny and hot, with a high near 92. Heat index values as high as 96. Southwest wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.
Slight Chance
T-storms then
Mostly Sunny
Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, mainly between 11pm and midnight.  Partly cloudy, with a low around 71. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.
Chance
Showers then
Slight Chance
T-storms
Thursday

Thursday: Sunny and hot, with a high near 94. Southwest wind 7 to 9 mph.
Hot

Thursday
Night
Thursday Night: Mostly clear, with a low around 71. Southwest wind around 8 mph.
Mostly Clear

Friday

Friday: Sunny and hot, with a high near 94. West wind around 8 mph.
Hot

Friday
Night
Friday Night: Mostly clear, with a low around 68. West wind around 5 mph.
Mostly Clear

Lo 63 °F Hi 84 °F Lo 69 °F Hi 92 °F Lo 71 °F Hi 94 °F Lo 71 °F Hi 94 °F Lo 68 °F

Extreme Heat Watch
 

Overnight
 
Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. Calm wind.
Tuesday
 
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 84. South wind 5 to 13 mph.
Tuesday Night
 
A chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 69. Southwest wind 11 to 13 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
A slight chance of showers and thunderstorms before 10am. Partly sunny and hot, with a high near 92. Heat index values as high as 96. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night
 
A chance of showers and thunderstorms, mainly between 11pm and midnight. Partly cloudy, with a low around 71. Southwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday
 
Sunny and hot, with a high near 94. Southwest wind 7 to 9 mph.
Thursday Night
 
Mostly clear, with a low around 71. Southwest wind around 8 mph.
Friday
 
Sunny and hot, with a high near 94. West wind around 8 mph.
Friday Night
 
Mostly clear, with a low around 68. West wind around 5 mph.
Independence Day
 
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. West wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 40%.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 30%.
Sunday
 
Mostly sunny, with a high near 83. Northwest wind around 6 mph becoming northeast in the afternoon.
Sunday Night
 
Mostly cloudy, with a low around 66. Light south wind.
Monday
 
A chance of showers. Partly sunny, with a high near 81. East wind 3 to 8 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Plymouth MA.