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

69°F

21°C

Humidity 66%
Wind Speed Calm
Barometer 30.12 in (1020.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Aug 7:56 pm EDT
Extended Forecast for

West Yarmouth MA

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light and variable wind becoming south around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Light and variable wind becoming south 8 to 13 mph in the morning.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 5am. Increasing clouds, with a low around 69. South wind 10 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 9am. High near 78. South wind 15 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 68. South wind 7 to 10 mph becoming north in the evening. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. North wind 8 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Southwest wind around 9 mph.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Light and variable wind becoming south around 5 mph.
Sunday
Sunny, with a high near 77. Light and variable wind becoming south 8 to 13 mph in the morning.
Sunday Night
A chance of showers, mainly after 5am. Increasing clouds, with a low around 69. South wind 10 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 9am. High near 78. South wind 15 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 68. South wind 7 to 10 mph becoming north in the evening. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 77. North wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 68. Calm wind.
Wednesday
Sunny, with a high near 80. Light southwest wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind around 9 mph.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 79. Southwest wind around 11 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 66. West wind 6 to 8 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 74. Northeast wind around 11 mph.
Friday Night
Partly cloudy, with a low around 65. East wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 75. East wind 8 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Yarmouth MA
 41.65°N 70.26°W (Elev. 10 ft)
Last Update:
3:23 pm EDT Aug 15, 2026
Forecast Valid:
8pm EDT Aug 15, 2026-6pm EDT Aug 22, 2026
 
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