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

77°F

25°C

Humidity 60%
Wind Speed Calm
Barometer 30.08 in (1018.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 4 Aug 9:56 am EDT
Extended Forecast for

East Dennis MA

  • Today

    Today: Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South wind 3 to 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 10am. Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69. Southwest wind around 7 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. Southwest wind around 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. Southwest wind 8 to 13 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. Southwest wind 7 to 11 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. West wind around 7 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 67. South wind 3 to 6 mph.
Wednesday
A slight chance of showers before 10am. Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 69. Southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph.
Thursday Night
Partly cloudy, with a low around 72. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 83. Southwest wind 8 to 13 mph.
Friday Night
Partly cloudy, with a low around 71. Southwest wind 7 to 11 mph.
Saturday
Mostly sunny, with a high near 82. West wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 71. Southwest wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 82. Southwest wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 71. Southwest wind around 9 mph.
Monday
Mostly sunny, with a high near 82. Southwest wind 8 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:
East Dennis MA
 41.75°N 70.15°W (Elev. 13 ft)
Last Update:
1:04 am EDT Aug 4, 2026
Forecast Valid:
10am EDT Aug 4, 2026-6pm EDT Aug 10, 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