National Weather Service Forecast for: Weymouth MA
Issued by: National Weather Service Norton, MA
Updated: 3:27 pm EDT Jun 18, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 64. West wind 8 to 13 mph.
Partly Cloudy

 Juneteenth

Juneteenth: Mostly sunny, with a high near 84. West wind 11 to 14 mph, with gusts as high as 24 mph.
Mostly Sunny

 Friday
Night
Friday Night: Clear, with a low around 62. West wind around 10 mph, with gusts as high as 21 mph.
Clear

 Saturday

Saturday: Sunny, with a high near 82. West wind around 15 mph, with gusts as high as 25 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 61. West wind 6 to 9 mph.
Mostly Clear

 Sunday

Sunday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 81. Northwest wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Sunny then
Chance
Showers
 Sunday
Night
Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.
Chance
Showers then
Partly Cloudy
 Monday

Monday: A chance of showers after 10am. Partly sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 50%.
Chance
Showers
 Monday
Night
Monday Night: Showers. Low around 62. South wind around 10 mph. Chance of precipitation is 80%.
Showers
Lo 64 °F Hi 84 °F Lo 62 °F Hi 82 °F Lo 61 °F Hi 81 °F Lo 61 °F Hi 80 °F Lo 62 °F

 

Tonight
 
 Partly cloudy, with a low around 64. West wind 8 to 13 mph.
Juneteenth
 
 Mostly sunny, with a high near 84. West wind 11 to 14 mph, with gusts as high as 24 mph.
Friday Night
 
 Clear, with a low around 62. West wind around 10 mph, with gusts as high as 21 mph.
Saturday
 
 Sunny, with a high near 82. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
 
 Mostly clear, with a low around 61. West wind 6 to 9 mph.
Sunday
 
 A chance of showers, mainly after 2pm. Mostly sunny, with a high near 81. Northwest wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Sunday Night
 
 A chance of showers before 8pm. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.
Monday
 
 A chance of showers after 10am. Partly sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
 
 Showers. Low around 62. South wind around 10 mph. Chance of precipitation is 80%.
Tuesday
 
 A chance of showers before 3pm. Partly sunny, with a high near 82. West wind around 10 mph. Chance of precipitation is 50%.
Tuesday Night
 
 Partly cloudy, with a low around 62. West wind around 5 mph.
Wednesday
 
 Mostly sunny, with a high near 85. West wind 5 to 7 mph.
Wednesday Night
 
 Partly cloudy, with a low around 63. Southwest wind 3 to 5 mph.
Thursday
 
 A chance of showers. Mostly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Weymouth MA.