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

71°F

22°C

Humidity 90%
Wind Speed SW 3 mph
Barometer 29.85 in (1011.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 13 Aug 8:56 pm EDT
Extended Forecast for

Yarmouth MA

  • Tonight

    Tonight: Mostly clear, with a low around 65. Southwest wind 5 to 8 mph becoming northwest after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Northwest wind 5 to 10 mph becoming light north.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. North wind around 7 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 67. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and noon. Partly sunny, with a high near 78. South wind 11 to 13 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. North wind around 7 mph.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Southwest wind 5 to 8 mph becoming northwest after midnight.
Friday
Sunny, with a high near 81. Northwest wind 5 to 10 mph becoming light north.
Friday Night
Partly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight.
Saturday
Sunny, with a high near 77. North wind around 7 mph.
Saturday Night
Mostly clear, with a low around 65. Light and variable wind.
Sunday
Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the morning.
Sunday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 67. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Monday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and noon. Partly sunny, with a high near 78. South wind 11 to 13 mph becoming north in the afternoon. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 65. North wind around 7 mph.
Tuesday
Mostly sunny, with a high near 77. North wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 67. Calm wind.
Wednesday
Sunny, with a high near 79. Light southwest wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind around 7 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 82. Southwest wind 9 to 13 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.69°N 70.22°W (Elev. 33 ft)
Last Update:
2:40 pm EDT Aug 13, 2026
Forecast Valid:
9pm EDT Aug 13, 2026-6pm EDT Aug 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation