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.

Light Rain Fog/Mist

39°F

4°C

Humidity 96%
Wind Speed N 3 mph
Barometer 29.67 in (1004.6 mb)
Dewpoint 38°F (3°C)
Visibility 1.75 mi
Last update 11 Jan 11:56 am EST
Extended Forecast for

South Dennis MA

  • This Afternoon

    This Afternoon: Scattered showers before 1pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 43. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Scattered
    Showers

  • Tonight

    Tonight: A slight chance of rain before 8pm, then a slight chance of rain and snow showers between 8pm and 10pm. Partly cloudy, with a low around 25. Breezy, with a west wind 14 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind 10 to 16 mph, with gusts as high as 31 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. West wind 6 to 9 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 41. Southwest wind 6 to 9 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 46. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 8pm. Cloudy, with a low around 31. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 40. West wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance Rain

Detailed Forecast

This Afternoon
Scattered showers before 1pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 43. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of rain before 8pm, then a slight chance of rain and snow showers between 8pm and 10pm. Partly cloudy, with a low around 25. Breezy, with a west wind 14 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 38. West wind 10 to 16 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 29. West wind 6 to 9 mph.
Tuesday
Sunny, with a high near 41. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.
Wednesday
Cloudy, with a high near 46. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of rain after 8pm. Cloudy, with a low around 31. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 40. West wind 5 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23. North wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Partly sunny, with a high near 33. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 23. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 37. West wind 6 to 9 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:
9:46 am EST Jan 11, 2026
Forecast Valid:
12pm EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation