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

31°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 30.03 in (1017.2 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Last update 28 Feb 8:56 pm EST
Extended Forecast for

West Dennis MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain before 1pm, then snow likely. Mostly cloudy, with a high near 38. North wind 6 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Slight Chance
    Rain then
    Snow Likely

  • Sunday Night

    Sunday Night: A chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 26. North wind 3 to 8 mph.

    High: 26 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Calm wind becoming south around 5 mph after midnight.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow between 11am and 1pm, then a chance of rain after 1pm. Partly sunny, with a high near 42. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 42 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 34. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 7am. Partly sunny, with a high near 42. West wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 3am. Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.
Sunday
A slight chance of rain before 1pm, then snow likely. Mostly cloudy, with a high near 38. North wind 6 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
A chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 26. North wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 18. Calm wind becoming south around 5 mph after midnight.
Tuesday
A chance of snow between 11am and 1pm, then a chance of rain after 1pm. Partly sunny, with a high near 42. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 34. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before 7am. Partly sunny, with a high near 42. West wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of rain after 3am. Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 44. South wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Cloudy, with a low around 34. South wind around 7 mph becoming northeast after midnight. Chance of precipitation is 50%.
Friday
A chance of rain. Cloudy, with a high near 43. East wind 8 to 10 mph. Chance of precipitation is 50%.
Friday Night
A chance of rain. Cloudy, with a low around 35. East wind around 6 mph becoming southwest after midnight. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 46. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
West Dennis MA
 41.66°N 70.17°W (Elev. 10 ft)
Last Update:
5:15 pm EST Feb 28, 2026
Forecast Valid:
9pm EST Feb 28, 2026-6pm EST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation