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

63°F

17°C

Humidity 97%
Wind Speed Calm
Barometer 29.80 in (1009.3 mb)
Dewpoint 62°F (17°C)
Visibility 8.00 mi
Last update 4 Sep 4:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: Patchy fog before 11am. Otherwise, partly sunny, with a high near 77. Light and variable wind becoming north 5 to 7 mph in the morning.

    High: 77 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 63. Calm wind becoming northwest 5 to 7 mph after midnight.

    Low: 63 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 70. North wind 10 to 13 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. North wind 10 to 13 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 70. North wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Northwest wind 5 to 7 mph.

    Low: 60 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 71. Northwest wind 5 to 9 mph becoming light north in the afternoon.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southwest wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. West wind around 7 mph becoming north in the afternoon.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, partly sunny, with a high near 77. Light and variable wind becoming north 5 to 7 mph in the morning.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 63. Calm wind becoming northwest 5 to 7 mph after midnight.
Saturday
Sunny, with a high near 70. North wind 10 to 13 mph.
Saturday Night
Partly cloudy, with a low around 60. North wind 10 to 13 mph.
Sunday
Sunny, with a high near 70. North wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 60. Northwest wind 5 to 7 mph.
Labor Day
Sunny, with a high near 71. Northwest wind 5 to 9 mph becoming light north in the afternoon.
Monday Night
Mostly clear, with a low around 62. Southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 74. West wind around 7 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. South wind around 6 mph becoming north after midnight.
Wednesday
Mostly sunny, with a high near 73. South wind 7 to 10 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 77. Southwest wind 14 to 17 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
Last Update:
2:06 am EDT Sep 4, 2026
Forecast Valid:
5am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
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Additional Resources

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Chance of Precipitation