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.

Partly Cloudy

43°F

6°C

Humidity 86%
Wind Speed S 10 mph
Barometer 30.29 in (1025.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 30 Mar 4:56 am EDT
Extended Forecast for

South Yarmouth MA

  • Today

    Today: Mostly cloudy, with a high near 51. Southwest wind 10 to 17 mph, with gusts as high as 34 mph.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of rain before 8pm, then a chance of rain after midnight. Mostly cloudy, with a low around 43. Southwest wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Cloudy, with a high near 52. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Southwest wind 9 to 13 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 55. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly between 8pm and 2am. Cloudy, with a low around 37. West wind around 7 mph becoming northeast after midnight. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Cloudy, with a high near 45. Northeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 37. East wind around 7 mph. Chance of precipitation is 40%.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 51. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 51. Southwest wind 10 to 17 mph, with gusts as high as 34 mph.
Tonight
A slight chance of rain before 8pm, then a chance of rain after midnight. Mostly cloudy, with a low around 43. Southwest wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tuesday
Rain likely, mainly before noon. Cloudy, with a high near 52. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 44. Southwest wind 9 to 13 mph, with gusts as high as 28 mph.
Wednesday
A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 55. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Wednesday Night
Rain likely, mainly between 8pm and 2am. Cloudy, with a low around 37. West wind around 7 mph becoming northeast after midnight. Chance of precipitation is 60%.
Thursday
A chance of rain. Cloudy, with a high near 45. Northeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Cloudy, with a low around 37. East wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Cloudy, with a high near 51. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain. Cloudy, with a low around 40. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 49. Northeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Cloudy, with a low around 39. East wind around 7 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Cloudy, with a high near 54. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Yarmouth MA
 41.67°N 70.2°W (Elev. 10 ft)
Last Update:
2:36 am EDT Mar 30, 2026
Forecast Valid:
5am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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