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

37°F

3°C

Humidity 96%
Wind Speed N 6 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 6 Jan 5:56 am EST
Extended Forecast for

South Dennis MA

  • Today

    Today: Cloudy, with a high near 38. Calm wind becoming north around 5 mph.

    High: 38 °F

    Cloudy

  • Tonight

    Tonight: Rain likely, mainly between 1am and 4am. Cloudy, with a low around 36. Light and variable wind becoming southeast 5 to 8 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 40. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. West wind 3 to 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 40. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain after 11am. Cloudy, with a high near 47. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 8pm. Cloudy, with a low around 38. Southwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely. Cloudy, with a high near 47. West wind 6 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%.

    High: 47 °F

    Rain Likely

Detailed Forecast

Today
Cloudy, with a high near 38. Calm wind becoming north around 5 mph.
Tonight
Rain likely, mainly between 1am and 4am. Cloudy, with a low around 36. Light and variable wind becoming southeast 5 to 8 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 40. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 30. West wind 3 to 6 mph.
Thursday
Sunny, with a high near 40. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 32. Light and variable wind.
Friday
A chance of rain after 11am. Cloudy, with a high near 47. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly after 8pm. Cloudy, with a low around 38. Southwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Rain likely. Cloudy, with a high near 47. West wind 6 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 34. South wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Sunday
A chance of rain. Partly sunny, with a high near 42. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 25. West wind around 9 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 36. West wind 8 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
5:17 am EST Jan 6, 2026
Forecast Valid:
6am EST Jan 6, 2026-6pm EST Jan 12, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation