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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

36°F

2°C

Humidity 79%
Wind Speed W 5 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 6 Dec 9:56 pm EST
Extended Forecast for

South Yarmouth MA

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 42. Northwest wind 3 to 6 mph.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 4am. Mostly cloudy, with a low around 23. Calm wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 34. North wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Northwest wind 5 to 9 mph becoming southwest in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain between 10pm and 11pm. Mostly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain after 3pm. Mostly cloudy, with a high near 50. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 35. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Northwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 42. Northwest wind 3 to 6 mph.
Sunday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 23. Calm wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 34. North wind 14 to 16 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 20. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 43. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A chance of rain between 10pm and 11pm. Mostly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain after 3pm. Mostly cloudy, with a high near 50. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 45. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 31. West wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
A chance of rain. Partly sunny, with a high near 42. West wind 8 to 11 mph. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 37. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Yarmouth MA
 41.67°N 70.2°W (Elev. 10 ft)
Last Update:
9:57 pm EST Dec 6, 2025
Forecast Valid:
10pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
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