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 93%
Wind Speed Calm
Barometer 29.87 in (1011.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 13 Aug 9:56 pm EDT
Extended Forecast for

Hyannis MA

  • Tonight

    Tonight: Mostly clear, with a low around 65. Southwest wind around 7 mph becoming northwest after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Northwest wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Light and variable wind becoming north around 6 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. North wind around 7 mph.

    High: 76 °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 78. Light and variable wind becoming south 6 to 11 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 67. South wind 10 to 14 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 around 14 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 66. North wind around 8 mph.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Southwest wind around 7 mph becoming northwest after midnight.
Friday
Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 61. Light and variable wind becoming north around 6 mph after midnight.
Saturday
Sunny, with a high near 76. 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 78. Light and variable wind becoming south 6 to 11 mph in the morning.
Sunday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 67. South wind 10 to 14 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 around 14 mph becoming north in the afternoon. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 66. North wind around 8 mph.
Tuesday
Mostly sunny, with a high near 76. North wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 67. Light and variable wind.
Wednesday
Sunny, with a high near 79. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind around 8 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 82. Southwest wind 10 to 14 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis MA
 41.66°N 70.29°W (Elev. 39 ft)
Last Update:
2:40 pm EDT Aug 13, 2026
Forecast Valid:
10pm EDT Aug 13, 2026-6pm EDT Aug 20, 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