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.

Partly Cloudy

82°F

28°C

Humidity 82%
Wind Speed SW 13 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 6 Aug 11:56 am EDT
Extended Forecast for

Dennis MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Southwest wind 9 to 11 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 72. Southwest wind 7 to 9 mph.

    Low: 72 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 87. Southwest wind 6 to 10 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Southwest wind around 8 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between 10pm and 2am. Partly cloudy, with a low around 73. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 87. Southwest wind 7 to 11 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Southwest wind 6 to 9 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. West wind 5 to 11 mph becoming south in the afternoon.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Southwest wind 9 to 11 mph.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 72. Southwest wind 7 to 9 mph.
Friday
Sunny, with a high near 87. Southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 72. Southwest wind around 8 mph.
Saturday
Mostly sunny, with a high near 86. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Saturday Night
A slight chance of showers between 10pm and 2am. Partly cloudy, with a low around 73. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 87. Southwest wind 7 to 11 mph.
Sunday Night
Mostly clear, with a low around 72. Southwest wind 6 to 9 mph.
Monday
Sunny, with a high near 83. West wind 5 to 11 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 72. Southwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 83. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 70. West wind 6 to 9 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 80. Northwest wind around 6 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
Last Update:
2:31 am EDT Aug 6, 2026
Forecast Valid:
12pm EDT Aug 6, 2026-6pm EDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation