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.

Fair

12°F

-11°C

Humidity 64%
Wind Speed W 13 G 21 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 28 Jan 7:56 am EST
Extended Forecast for

South Yarmouth MA

  • Today

    Today: Increasing clouds, with a high near 22. Wind chill values as low as -1. West wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 22 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. Northwest wind 5 to 7 mph.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow before noon. Mostly sunny, with a high near 23. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 23 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 9. Wind chill values as low as -3. West wind around 10 mph, with gusts as high as 26 mph.

    Low: 9 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 19. West wind 9 to 11 mph, with gusts as high as 26 mph.

    High: 19 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8. West wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 28. West wind 3 to 6 mph.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Mostly cloudy, with a low around 18. Light north wind becoming northeast 8 to 13 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.

    Low: 18 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly after 1pm. The snow could be heavy at times. Cloudy, with a high near 33. Breezy, with a northeast wind 16 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.

    High: 33 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Today
Increasing clouds, with a high near 22. Wind chill values as low as -1. West wind 6 to 11 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 13. Northwest wind 5 to 7 mph.
Thursday
A slight chance of snow before noon. Mostly sunny, with a high near 23. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 9. Wind chill values as low as -3. West wind around 10 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 19. West wind 9 to 11 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 8. West wind 6 to 8 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 28. West wind 3 to 6 mph.
Saturday Night
A chance of snow after 2am. Mostly cloudy, with a low around 18. Light north wind becoming northeast 8 to 13 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Sunday
Snow likely, mainly after 1pm. The snow could be heavy at times. Cloudy, with a high near 33. Breezy, with a northeast wind 16 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Blustery, with a north wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 32. Northwest wind 10 to 14 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 21. Northwest wind around 9 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 32. Northwest wind 7 to 9 mph.
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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:
6:46 am EST Jan 28, 2026
Forecast Valid:
8am EST Jan 28, 2026-6pm EST Feb 3, 2026
 
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Additional Resources

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Chance of Precipitation