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.

Partly Cloudy

55°F

13°C

Humidity 87%
Wind Speed NE 5 mph
Barometer 29.78 in (1008.6 mb)
Dewpoint 51°F (11°C)
Visibility 8.00 mi
Wind Chill54°F (12°C)
Last update 17 Apr 8:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: A chance of rain after 3pm. Patchy fog before 10am, then patchy fog after 11am. Otherwise, mostly cloudy, with a high near 54. North wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 43. North wind around 7 mph.

    Low: 43 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 1pm, then patchy fog after 5pm. Otherwise, cloudy, with a high near 49. Northeast wind around 9 mph.

    High: 49 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog before 9pm. Otherwise, cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Patchy Fog
    then Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 3pm. Cloudy, with a high near 55. South wind 7 to 11 mph. Chance of precipitation is 60%.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Northwest wind around 11 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48. Northwest wind 8 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. North wind 6 to 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. North wind around 9 mph becoming northeast in the afternoon.

    High: 47 °F

    Sunny

Detailed Forecast

Today
A chance of rain after 3pm. Patchy fog before 10am, then patchy fog after 11am. Otherwise, mostly cloudy, with a high near 54. North wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 43. North wind around 7 mph.
Saturday
Patchy fog before 1pm, then patchy fog after 5pm. Otherwise, cloudy, with a high near 49. Northeast wind around 9 mph.
Saturday Night
Patchy fog before 9pm. Otherwise, cloudy, with a low around 43. Light and variable wind.
Sunday
Showers likely, mainly after 3pm. Cloudy, with a high near 55. South wind 7 to 11 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Northwest wind around 11 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 48. Northwest wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 34. North wind 6 to 10 mph.
Tuesday
Sunny, with a high near 47. North wind around 9 mph becoming northeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 39. Southwest wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 54. Southwest wind around 11 mph.
Wednesday Night
Partly cloudy, with a low around 41. Southwest wind around 8 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 54. Northwest wind around 8 mph becoming northeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
Last Update:
5:24 am EDT Apr 17, 2026
Forecast Valid:
9am EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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