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.

Overcast

58°F

14°C

Humidity 87%
Wind Speed E 7 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Oct 9:56 am EDT
Extended Forecast for

South Dennis MA

  • Today

    Today: Patchy drizzle before 2pm. Cloudy, with a high near 62. Southeast wind around 10 mph.

    High: 62 °F

    Patchy
    Drizzle

  • Tonight

    Tonight: A chance of showers, mainly between 10pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 59. Southwest wind 11 to 16 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Showers, mainly after 9am. High near 67. South wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 43. West wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Breezy, with a northwest wind around 22 mph, with gusts as high as 37 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Patchy drizzle before 2pm. Cloudy, with a high near 62. Southeast wind around 10 mph.
Tonight
A chance of showers, mainly between 10pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 59. Southwest wind 11 to 16 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly sunny, with a high near 72. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 50. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 60. North wind 9 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 46. Calm wind.
Friday
Showers, mainly after 9am. High near 67. South wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 43. West wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 55. Breezy, with a northwest wind around 22 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 38. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 55. Northwest wind 13 to 15 mph.
Sunday Night
Mostly clear, with a low around 43. Northwest wind around 6 mph becoming southwest after midnight.
Monday
Sunny, with a high near 61. Southwest wind 8 to 14 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.71°N 70.19°W (Elev. 39 ft)
Last Update:
9:28 am EDT Oct 13, 2026
Forecast Valid:
10am EDT Oct 13, 2026-6pm EDT Oct 19, 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