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.

Mostly Cloudy

77°F

25°C

Humidity 74%
Wind Speed S 10 G 20 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Aug 11:56 am EDT
Extended Forecast for

Yarmouth MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. South wind 9 to 11 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers after 2am. Mostly cloudy, with a low around 70. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 9am. Partly sunny, with a high near 80. South wind around 7 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming light and variable.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 74. North wind 6 to 9 mph.

    High: 74 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Southwest wind 5 to 9 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Southwest wind around 8 mph.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. West wind around 8 mph becoming northeast in the afternoon.

    High: 78 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. South wind 9 to 11 mph.
Tonight
A slight chance of showers after 2am. Mostly cloudy, with a low around 70. South wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers before 9am. Partly sunny, with a high near 80. South wind around 7 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming light and variable.
Saturday
Partly sunny, with a high near 74. North wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 65. Light and variable wind.
Sunday
Mostly sunny, with a high near 80. Southwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 68. Southwest wind around 8 mph.
Monday
Partly sunny, with a high near 78. West wind around 8 mph becoming northeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 65. Southeast wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 75. East wind 6 to 8 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Southeast wind 6 to 9 mph. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.72°N 70.22°W (Elev. 49 ft)
Last Update:
2:29 am EDT Aug 27, 2026
Forecast Valid:
12pm EDT Aug 27, 2026-6pm EDT Sep 2, 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