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

74°F

23°C

Humidity 88%
Wind Speed SW 8 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 24 Aug 8:56 pm EDT
Extended Forecast for

Dennis Port MA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 65. South wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 78. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Southwest wind 3 to 7 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind 5 to 8 mph becoming south in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Southwest wind around 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 77. South wind 5 to 11 mph.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 68. South wind around 8 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers before 5pm. Partly sunny, with a high near 79. South wind 7 to 10 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 65. South wind around 6 mph becoming calm in the evening.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 78. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 63. Southwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 76. Northwest wind 5 to 8 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Southwest wind around 6 mph.
Thursday
Partly sunny, with a high near 77. South wind 5 to 11 mph.
Thursday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 68. South wind around 8 mph. Chance of precipitation is 60%.
Friday
A chance of showers before 5pm. Partly sunny, with a high near 79. South wind 7 to 10 mph. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 67. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 79. North wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 60. Light and variable wind.
Sunday
Mostly sunny, with a high near 78. Northwest wind 5 to 7 mph becoming south in the afternoon.
Sunday Night
Partly cloudy, with a low around 66. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 77. West wind 9 to 11 mph, with gusts as high as 21 mph.
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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:
9:32 pm EDT Aug 24, 2026
Forecast Valid:
9pm EDT Aug 24, 2026-6pm EDT Aug 31, 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