National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Plymouth, Plymouth Municipal Airport (KPYM)

Lat: 41.91°NLon: 70.73°WElev: 148ft.

Overcast

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.92 in (1013.1 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 5 Jul 12:52 am EDT
Extended Forecast for

South Duxbury MA

  • Overnight

    Overnight: A chance of showers, mainly before 3am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 81. East wind 3 to 6 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 63. Calm wind.

    Low: 63 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 74. East wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Northeast wind 8 to 10 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 9am. Partly sunny, with a high near 76. North wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Southwest wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly before 3am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 30%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 81. East wind 3 to 6 mph.
Sunday Night
Increasing clouds, with a low around 63. Calm wind.
Monday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 74. East wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Northeast wind 8 to 10 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers before 9am. Partly sunny, with a high near 76. North wind 8 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 63. Southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 88. Southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 70. Southwest wind around 9 mph.
Friday
A chance of showers. Partly sunny, with a high near 88. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 81. North wind 6 to 8 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Duxbury MA
 42.03°N 70.7°W (Elev. 49 ft)
Last Update:
2:29 pm EDT Jul 4, 2026
Forecast Valid:
1am EDT Jul 5, 2026-6pm EDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation