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

68°F

20°C

Humidity 68%
Wind Speed W 6 mph
Barometer 29.57 in (1001.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Jun 5:56 am EDT
Extended Forecast for

South Dennis MA

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 67. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 85. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. West wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. West wind 5 to 7 mph becoming south in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. Light southwest wind.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 3pm. Partly sunny, with a high near 84. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 67. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Partly sunny, with a high near 81. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 83. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 67. West wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 85. West wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 65. West wind around 5 mph.
Sunday
Sunny, with a high near 83. West wind 5 to 7 mph becoming south in the afternoon.
Sunday Night
Partly cloudy, with a low around 67. Light southwest wind.
Monday
Showers likely, mainly after 3pm. Partly sunny, with a high near 84. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 60%.
Monday Night
Showers. Low around 67. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 81. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 67. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 82. Light and variable wind becoming west 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 8 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
4:18 am EDT Jun 19, 2026
Forecast Valid:
6am EDT Jun 19, 2026-6pm EDT Jun 25, 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