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

66°F

19°C

Humidity 56%
Wind Speed E 7 mph
Barometer 30.21 in (1023.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Oct 1:56 pm EDT
Extended Forecast for

Dennis MA

  • This Afternoon

    This Afternoon: A chance of showers, mainly after 4pm. Cloudy, with a high near 66. East wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers, mainly before 11pm. Patchy fog after 9pm. Low around 56. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 66. Northwest wind 6 to 13 mph.

    High: 66 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 47. West wind around 16 mph.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Northwest wind 9 to 15 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45. West wind 6 to 8 mph.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Southwest wind around 10 mph.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, mainly after 4pm. Cloudy, with a high near 66. East wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before 11pm. Patchy fog after 9pm. Low around 56. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 66. Northwest wind 6 to 13 mph.
Monday Night
Clear, with a low around 47. West wind around 16 mph.
Tuesday
Sunny, with a high near 58. Northwest wind 9 to 15 mph.
Tuesday Night
Clear, with a low around 45. West wind 6 to 8 mph.
Wednesday
Sunny, with a high near 62. Light southwest wind increasing to 8 to 13 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 67. Southwest wind around 10 mph.
Thursday Night
Mostly clear, with a low around 56. West wind around 7 mph.
Friday
Sunny, with a high near 65. West wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 54. West wind 7 to 9 mph.
Saturday
Sunny, with a high near 61. Northwest wind 7 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
2:03 pm EDT Oct 4, 2026
Forecast Valid:
2pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
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