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

48°F

9°C

Humidity 83%
Wind Speed SW 13 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 43°F (6°C)
Visibility 9.00 mi
Wind Chill43°F (6°C)
Last update 30 Mar 8:56 pm EDT
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: A chance of showers, mainly after 3am. Mostly cloudy, with a low around 44. Southwest wind 14 to 17 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 53. Southwest wind 14 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 46. Southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, mainly after 11am. Mostly cloudy, with a high near 54. Breezy, with a southwest wind 16 to 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight. Cloudy, with a low around 37. Northwest wind 9 to 11 mph becoming northeast in the evening. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly after 5pm. Cloudy, with a high near 40. Northeast wind around 14 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 38. East wind 8 to 11 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 53. Southeast wind 8 to 13 mph becoming southwest in the afternoon.

    High: 53 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain after 9pm. Mostly cloudy, with a low around 44. Southwest wind 13 to 15 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of showers, mainly after 3am. Mostly cloudy, with a low around 44. Southwest wind 14 to 17 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 53. Southwest wind 14 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A slight chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 46. Southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly after 11am. Mostly cloudy, with a high near 54. Breezy, with a southwest wind 16 to 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly before midnight. Cloudy, with a low around 37. Northwest wind 9 to 11 mph becoming northeast in the evening. Chance of precipitation is 70%.
Thursday
A chance of showers, mainly after 5pm. Cloudy, with a high near 40. Northeast wind around 14 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Cloudy, with a low around 38. East wind 8 to 11 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 53. Southeast wind 8 to 13 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 9pm. Mostly cloudy, with a low around 44. Southwest wind 13 to 15 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 52. West wind 11 to 13 mph becoming northeast in the afternoon.
Saturday Night
A chance of rain. Cloudy, with a low around 41. East wind around 11 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 55. South wind 13 to 16 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Southwest wind 14 to 16 mph. Chance of precipitation is 50%.
Monday
A chance of rain. Partly sunny, with a high near 49. Northwest wind 11 to 13 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
2:52 pm EDT Mar 30, 2026
Forecast Valid:
9pm EDT Mar 30, 2026-6pm EDT Apr 6, 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