Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

79°F

26°C

Humidity 77%
Wind Speed SW 10 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 2 Jul 8:56 pm EDT
Extended Forecast for

East Dennis MA

Heat Advisory July 2, 09:23pm until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 2, 09:23pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 106. West wind around 6 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. West wind 5 to 8 mph.

    Low: 76 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Increasing clouds and hot, with a high near 93. Heat index values as high as 99. West wind 5 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 1am.  Partly cloudy, with a low around 71. Northwest wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 88. Northeast wind around 7 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. Southeast wind 3 to 8 mph.

    High: 77 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 106. West wind around 6 mph.
Friday Night
Mostly clear, with a low around 76. West wind 5 to 8 mph.
Independence Day
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds and hot, with a high near 93. Heat index values as high as 99. West wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 1am. Partly cloudy, with a low around 71. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 88. Northeast wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 68. Light south wind.
Monday
Partly sunny, with a high near 77. Southeast wind 3 to 8 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 66. Southeast wind around 6 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers before 5pm. Partly sunny, with a high near 75. East wind 8 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 66. East wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 76. Northeast wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 67. Southeast wind around 6 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 80. West wind 5 to 8 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
East Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
2:49 pm EDT Jul 2, 2026
9pm EDT Jul 2, 2026-6pm EDT Jul 9, 2026
 
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