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

57°F

14°C

Humidity 44%
Wind Speed W 15 G 24 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 1 Nov 1:56 pm EDT
Extended Forecast for

South Dennis MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. West wind around 14 mph, with gusts as high as 25 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. Northwest wind around 9 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: A chance of rain, mainly after 5pm. Partly sunny, with a high near 60. Southwest wind 5 to 11 mph. Chance of precipitation is 30%.

    High: 60 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 45. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 45 °F

    Rain Likely

  • Tuesday

    Tuesday: Sunny, with a high near 59. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. West wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Southwest wind 7 to 10 mph.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 57. West wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 36. West wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 53. Northwest wind around 9 mph.
Sunday Night
Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.
Monday
A chance of rain, mainly after 5pm. Partly sunny, with a high near 60. Southwest wind 5 to 11 mph. Chance of precipitation is 30%.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 45. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 59. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 43. West wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 59. Southwest wind 7 to 10 mph.
Wednesday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 42. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 55. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 38. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 58. West wind 8 to 10 mph becoming southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.71°N 70.16°W (Elev. 49 ft)
Last Update:
2:11 pm EDT Nov 1, 2025
Forecast Valid:
2pm EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation