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

78°F

26°C

Humidity 76%
Wind Speed SW 13 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 8 Aug 7:56 am EDT
Extended Forecast for

Barnstable MA

  • Today

    Today: Mostly sunny, with a high near 82. Southwest wind 8 to 13 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Southwest wind 6 to 9 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87. Heat index values as high as 95. Southwest wind 6 to 11 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. West wind 5 to 7 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 72. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. West wind around 8 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. West wind 3 to 6 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Light and variable wind becoming east around 6 mph in the morning.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. Southwest wind 8 to 13 mph.
Tonight
Partly cloudy, with a low around 73. Southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 87. Heat index values as high as 95. Southwest wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 71. West wind 5 to 7 mph.
Monday
Sunny, with a high near 81. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 72. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 82. West wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 69. West wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 83. Light and variable wind becoming east around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 69. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 84. West wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 67. Southwest wind around 7 mph.
Friday
Mostly sunny, with a high near 81. Northwest wind around 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Barnstable MA
 41.71°N 70.31°W (Elev. 16 ft)
Last Update:
7:04 am EDT Aug 8, 2026
Forecast Valid:
8am EDT Aug 8, 2026-6pm EDT Aug 14, 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