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.

Fair

69°F

21°C

Humidity 73%
Wind Speed Calm
Barometer 30.11 in (1019.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 4 Aug 8:52 pm EDT
Extended Forecast for

South Duxbury MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 69. Southwest wind 5 to 7 mph.

    Low: 69 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. Southwest wind 6 to 8 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 87. Southwest wind around 7 mph. Chance of precipitation is 30%.

    High: 87 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 10pm. Partly cloudy, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Southwest wind 6 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Southwest wind 6 to 8 mph.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 69. Southwest wind 5 to 7 mph.
Thursday
A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 72. Southwest wind 6 to 8 mph.
Friday
A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 87. Southwest wind around 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 10pm. Partly cloudy, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 85. Southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 72. Southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 84. West wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 71. West wind around 7 mph.
Monday
Sunny, with a high near 85. Southwest wind 6 to 11 mph.
Monday Night
Partly cloudy, with a low around 71. West wind around 8 mph.
Tuesday
A chance of showers. Mostly sunny, with a high near 82. West wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Duxbury MA
 42.02°N 70.68°W (Elev. 13 ft)
Last Update:
7:03 pm EDT Aug 4, 2026
Forecast Valid:
9pm EDT Aug 4, 2026-6pm EDT Aug 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