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

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Mostly Cloudy

30°F

-1°C

Humidity 56%
Wind Speed Calm
Barometer 29.72 in (1006.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 24 Feb 2:56 pm EST
Extended Forecast for

South Yarmouth MA

  • Tonight

    Tonight: Increasing clouds, with a low around 16. West wind 3 to 6 mph. Winds could gust as high as 22 mph.

    Low: 16 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain and snow before 1pm, then a chance of rain between 1pm and 3pm. High near 38. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind around 6 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow after 3pm. Mostly sunny, with a high near 37. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 37 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly after 7pm. Mostly cloudy, with a low around 24. Light and variable wind. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: A chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Mostly sunny, with a high near 35. North wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 35 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40. South wind 5 to 9 mph.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 16. West wind 3 to 6 mph. Winds could gust as high as 22 mph.
Wednesday
Rain and snow before 1pm, then a chance of rain between 1pm and 3pm. High near 38. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 6 mph, with gusts as high as 20 mph.
Thursday
A slight chance of snow after 3pm. Mostly sunny, with a high near 37. West wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday Night
A chance of snow, mainly after 7pm. Mostly cloudy, with a low around 24. Light and variable wind. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Friday
A chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Mostly sunny, with a high near 35. North wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 27. Light and variable wind.
Saturday
Mostly sunny, with a high near 40. South wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 29. Light and variable wind.
Sunday
Mostly sunny, with a high near 38. Northwest wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 19. North wind 6 to 8 mph, with gusts as high as 20 mph.
Monday
A chance of snow. Partly sunny, with a high near 28. North wind 7 to 9 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 18. Northeast wind around 6 mph. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 35. East wind 6 to 9 mph becoming southeast in the afternoon.
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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:
2:28 pm EST Feb 24, 2026
Forecast Valid:
3pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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