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

50°F

10°C

Humidity 68%
Wind Speed Calm
Barometer 30.19 in (1022.5 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 15 Oct 5:56 pm EDT
Extended Forecast for

Dennis Port MA

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers likely, mainly between 9am and 2pm. Patchy fog between noon and 3pm. Otherwise, cloudy, with a high near 69. South wind 8 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers before 11pm, then a chance of showers after midnight. Patchy fog before midnight. Otherwise, cloudy, with a low around 52. Southwest wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers before 2pm. Mostly cloudy, with a high near 55. North wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. North wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55. North wind around 10 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. West wind around 7 mph becoming southeast after midnight.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 59. South wind 8 to 13 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Southwest wind 7 to 9 mph becoming northwest after midnight.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 43. Northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Showers likely, mainly between 9am and 2pm. Patchy fog between noon and 3pm. Otherwise, cloudy, with a high near 69. South wind 8 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers before 11pm, then a chance of showers after midnight. Patchy fog before midnight. Otherwise, cloudy, with a low around 52. Southwest wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers before 2pm. Mostly cloudy, with a high near 55. North wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 42. North wind 11 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 55. North wind around 10 mph.
Sunday Night
Mostly clear, with a low around 44. West wind around 7 mph becoming southeast after midnight.
Monday
Mostly sunny, with a high near 59. South wind 8 to 13 mph.
Monday Night
Partly cloudy, with a low around 46. Southwest wind 7 to 9 mph becoming northwest after midnight.
Tuesday
Mostly sunny, with a high near 60. Northwest wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 45. North wind 5 to 7 mph.
Wednesday
Sunny, with a high near 58. Northeast wind around 11 mph.
Wednesday Night
Mostly clear, with a low around 43. Northeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 58. Northeast wind 7 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis Port MA
 41.66°N 70.14°W (Elev. 13 ft)
Last Update:
1:57 pm EDT Oct 15, 2026
Forecast Valid:
6pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation