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

28°F

-2°C

Humidity 39%
Wind Speed SW 12 mph
Barometer 30.10 in (1019.6 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 9 Dec 2:56 pm EST
Extended Forecast for

East Dennis MA

  • Tonight

    Tonight: A slight chance of rain after midnight. Cloudy, with a temperature rising to around 39 by 4am. Southwest wind 7 to 15 mph. Chance of precipitation is 20%.

    Low: 30 °F⇑

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 51. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 3am. Patchy fog between 10pm and midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 32. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Breezy, with a west wind 17 to 25 mph, with gusts as high as 37 mph.

    High: 41 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of snow between 9pm and 4am. Partly cloudy, with a low around 22. Windy, with a west wind 24 to 26 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Snow and
    Windy

  • Friday

    Friday: Sunny, with a high near 37. Breezy, with a west wind 15 to 23 mph.

    High: 37 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. West wind 8 to 13 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow before 9am, then a chance of rain between 9am and 3pm. Mostly cloudy, with a high near 42. West wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Mostly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
A slight chance of rain after midnight. Cloudy, with a temperature rising to around 39 by 4am. Southwest wind 7 to 15 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 51. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain, mainly before 3am. Patchy fog between 10pm and midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 32. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 41. Breezy, with a west wind 17 to 25 mph, with gusts as high as 37 mph.
Thursday Night
A slight chance of snow between 9pm and 4am. Partly cloudy, with a low around 22. Windy, with a west wind 24 to 26 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 37. Breezy, with a west wind 15 to 23 mph.
Friday Night
Partly cloudy, with a low around 27. West wind 8 to 13 mph.
Saturday
A chance of snow before 9am, then a chance of rain between 9am and 3pm. Mostly cloudy, with a high near 42. West wind 8 to 11 mph. Chance of precipitation is 30%.
Saturday Night
A chance of snow after 2am. Mostly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
A chance of snow before 9am, then a chance of rain and snow between 9am and 10am, then a chance of rain after 10am. Mostly cloudy, with a high near 40. West wind 10 to 15 mph. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 19. Northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 31. Northwest wind 14 to 16 mph.
Monday Night
Mostly cloudy, with a low around 21. West wind 10 to 13 mph.
Tuesday
Partly sunny, with a high near 35. West wind around 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
East Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
Last Update:
12:52 pm EST Dec 9, 2025
Forecast Valid:
3pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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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