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

Hazardous Weather Conditions

Current conditions at

Plymouth, Plymouth Municipal Airport (KPYM)

Lat: 41.91°NLon: 70.73°WElev: 148ft.

Fair

80°F

27°C

Humidity 33%
Wind Speed S 8 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 May 1:52 pm EDT
Extended Forecast for

Brant Rock MA

Heat Advisory May 19, 11:00am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. Southeast wind 11 to 13 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Southwest wind 11 to 13 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Southwest wind 11 to 17 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind 14 to 16 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers, mainly after 2pm. High near 77. Southwest wind 13 to 15 mph. Chance of precipitation is 80%.

    High: 77 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 53. West wind 11 to 13 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59. North wind 7 to 14 mph becoming east in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. South wind around 6 mph becoming north after midnight.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Northeast wind 6 to 9 mph becoming southeast in the afternoon.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. Southeast wind 11 to 13 mph.
Tonight
Mostly clear, with a low around 58. Southwest wind 11 to 13 mph.
Tuesday
Mostly sunny, with a high near 76. Southwest wind 11 to 17 mph.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind 14 to 16 mph.
Wednesday
Showers, mainly after 2pm. High near 77. Southwest wind 13 to 15 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 53. West wind 11 to 13 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 59. North wind 7 to 14 mph becoming east in the afternoon.
Thursday Night
Partly cloudy, with a low around 49. South wind around 6 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 57. Northeast wind 6 to 9 mph becoming southeast in the afternoon.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 49. South wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday
Showers likely. Mostly cloudy, with a high near 56. Southeast wind 6 to 11 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. Northeast wind 7 to 9 mph. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 57. East wind 8 to 10 mph. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brant Rock MA
 42.08°N 70.63°W (Elev. 0 ft)
Last Update:
12:07 pm EDT May 18, 2026
Forecast Valid:
2pm EDT May 18, 2026-6pm EDT May 24, 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