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

54°F

12°C

Humidity 59%
Wind Speed NE 10 G 20 mph
Barometer 30.34 in (1027.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 2 Oct 4:56 am EDT
Extended Forecast for

South Yarmouth MA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northeast wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 62 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. West wind around 8 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. West wind around 7 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Light southwest wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Southwest wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Southwest wind 6 to 11 mph.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northeast wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 44. Calm wind.
Friday
Sunny, with a high near 67. Light west wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 56. West wind around 8 mph.
Saturday
Sunny, with a high near 72. West wind around 7 mph.
Saturday Night
Mostly clear, with a low around 58. Light southwest wind.
Sunday
Sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 59. Southwest wind around 6 mph.
Monday
Sunny, with a high near 75. Southwest wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 59. Southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 8 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 59. Southwest wind around 10 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Southwest wind 10 to 14 mph. Chance of precipitation is 50%.
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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:
1:31 am EDT Oct 2, 2025
Forecast Valid:
5am EDT Oct 2, 2025-6pm EDT Oct 8, 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