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

57°F

14°C

Humidity 100%
Wind Speed N 12 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 14 Oct 3:56 am EDT
Extended Forecast for

Dennis MA

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Patchy fog. Low around 55. Breezy, with an east wind around 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then a chance of drizzle after noon. Patchy fog before 3pm. High near 63. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Showers and
    Patchy Fog
    then Chance
    Drizzle and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Cloudy during the early evening, then gradual clearing, with a low around 52. North wind 9 to 13 mph.

    Low: 52 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. North wind 9 to 14 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 44. North wind around 17 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 58. Breezy, with a north wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 46. Breezy, with a north wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A chance of showers before 2pm. Mostly sunny, with a high near 59. North wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Northwest wind around 9 mph.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 55. Breezy, with an east wind around 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then a chance of drizzle after noon. Patchy fog before 3pm. High near 63. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Cloudy during the early evening, then gradual clearing, with a low around 52. North wind 9 to 13 mph.
Wednesday
Mostly sunny, with a high near 63. North wind 9 to 14 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44. North wind around 17 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 58. Breezy, with a north wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. Breezy, with a north wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday
A chance of showers before 2pm. Mostly sunny, with a high near 59. North wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 46. Northwest wind around 9 mph.
Saturday
Sunny, with a high near 63. Northwest wind around 9 mph.
Saturday Night
Partly cloudy, with a low around 51. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 67. Southwest wind 7 to 11 mph.
Sunday Night
Showers likely. Mostly cloudy, with a low around 54. South wind around 10 mph. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 66. South wind 13 to 15 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
Last Update:
1:46 am EDT Oct 14, 2025
Forecast Valid:
4am EDT Oct 14, 2025-6pm EDT Oct 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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