National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

66°F

19°C

Humidity 65%
Wind Speed N 13 G 22 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 10:56 pm EDT
Extended Forecast for

Dennis Port MA

  • Tonight

    Tonight: Partly cloudy, with a low around 55. North wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Northeast wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. Light southeast wind.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 67. Southeast wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 58. Southeast wind around 7 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 66. Northeast wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. Northeast wind 10 to 14 mph.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. Northeast wind around 17 mph, with gusts as high as 28 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Northeast wind around 17 mph, with gusts as high as 29 mph.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. North wind 10 to 13 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 64. Northeast wind 8 to 11 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 45. Light southeast wind.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 67. Southeast wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers. Low around 58. Southeast wind around 7 mph. Chance of precipitation is 90%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 66. Northeast wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 54. Northeast wind 10 to 14 mph.
Tuesday
Mostly cloudy, with a high near 65. Northeast wind around 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 55. Northeast wind around 17 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 65. Breezy, with a northeast wind around 21 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly cloudy, with a low around 55. Breezy, with a northeast wind 18 to 21 mph, with gusts as high as 36 mph.
Thursday
A chance of showers. Partly sunny, with a high near 65. Breezy, with a northeast wind 20 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54. Breezy, with a northeast wind 16 to 20 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 66. North wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis Port MA
 41.66°N 70.14°W (Elev. 13 ft)
Last Update:
2:31 pm EDT Sep 18, 2026
Forecast Valid:
11pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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