Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Overcast

56°F

13°C

Humidity 97%
Wind Speed N 15 G 24 mph
Barometer 29.71 in (1006.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 10:56 am EDT
Extended Forecast for

South Yarmouth MA

  • Columbus Day

    Columbus Day: Mostly cloudy early, then gradual clearing, with a high near 63. North wind 9 to 13 mph.

    High: 63 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 54 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers between 2pm and 3pm.  Cloudy, with a high near 66. East wind 9 to 11 mph.  Chance of precipitation is 20%.

    High: 66 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 59. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. West wind around 11 mph, with gusts as high as 22 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 11pm and midnight.  Partly cloudy, with a low around 53. Northwest wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61. North wind 9 to 11 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 4am.  Partly cloudy, with a low around 50. Northeast wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 9am.  High near 66. Southeast wind 10 to 17 mph.  Chance of precipitation is 80%.

    High: 66 °F

    Showers

Detailed Forecast

Columbus Day
Mostly cloudy early, then gradual clearing, with a high near 63. North wind 9 to 13 mph.
Tonight
Increasing clouds, with a low around 54. Calm wind becoming northeast 5 to 7 mph after midnight.
Tuesday
A slight chance of showers between 2pm and 3pm. Cloudy, with a high near 66. East wind 9 to 11 mph. Chance of precipitation is 20%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 59. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 68. West wind around 11 mph, with gusts as high as 22 mph.
Wednesday Night
A slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 53. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 61. North wind 9 to 11 mph.
Thursday Night
A chance of showers after 4am. Partly cloudy, with a low around 50. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
Showers, mainly after 9am. High near 66. Southeast wind 10 to 17 mph. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. Breezy, with a west wind 20 to 22 mph. Chance of precipitation is 70%.
Saturday
A chance of showers. Partly sunny, with a high near 55. Breezy, with a northwest wind around 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 41. Breezy, with a northwest wind 20 to 24 mph.
Sunday
Sunny, with a high near 55. Northwest wind 13 to 16 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Yarmouth MA
 41.65°N 70.23°W (Elev. 13 ft)
9:31 am EDT Oct 12, 2026
11am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
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Additional Resources

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