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

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.07 in (1018.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Aug 2:56 am EDT
Extended Forecast for

Dennis Port MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. South wind 6 to 11 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 7am. Partly sunny, with a high near 79. South wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 79 °F

    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 after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 74. North wind 7 to 9 mph.

    High: 74 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Southwest wind around 9 mph.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 79. South wind 6 to 11 mph.
Thursday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 70. South wind around 8 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly before 7am. Partly sunny, with a high near 79. South wind 6 to 9 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming light and variable after midnight.
Saturday
Partly sunny, with a high near 74. North wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 66. Light and variable wind.
Sunday
Mostly sunny, with a high near 79. Light southwest wind increasing to 6 to 11 mph in the morning.
Sunday Night
Partly cloudy, with a low around 68. Southwest wind around 9 mph.
Monday
Partly sunny, with a high near 79. West wind 7 to 9 mph becoming northeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 65. Southeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 76. East wind 7 to 9 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 6 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 77. Southeast wind 7 to 10 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis Port MA
 41.66°N 70.14°W (Elev. 13 ft)
Last Update:
2:29 am EDT Aug 27, 2026
Forecast Valid:
3am 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