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

61°F

16°C

Humidity 52%
Wind Speed N 9 G 24 mph
Barometer 30.11 in (1019.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 19 Sep 3:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: Mostly sunny, with a high near 63. Northeast wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. East wind 3 to 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 65. Southeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Patchy fog before 9pm. Low around 58. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers, mainly before 8am. Mostly cloudy, with a high near 65. North wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Northeast wind 10 to 15 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. Northeast wind around 17 mph.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Northeast wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. Breezy, with a northeast wind 21 to 24 mph, with gusts as high as 34 mph.

    High: 63 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 63. Northeast wind 7 to 14 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 56. East wind 3 to 5 mph.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 65. Southeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, mainly before 2am. Patchy fog before 9pm. Low around 58. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of showers, mainly before 8am. Mostly cloudy, with a high near 65. North wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 56. Northeast wind 10 to 15 mph.
Tuesday
Mostly cloudy, with a high near 63. Northeast wind around 17 mph.
Tuesday Night
Mostly cloudy, with a low around 57. Northeast wind 16 to 18 mph, with gusts as high as 28 mph.
Wednesday
Partly sunny, with a high near 63. Breezy, with a northeast wind 21 to 24 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly cloudy, with a low around 57. Breezy, with an east wind around 24 mph.
Thursday
A chance of showers. Mostly cloudy, with a high near 64. Windy, with a northeast wind 25 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 57. Windy, with a northeast wind 24 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 64. Windy, with a north wind 24 to 31 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
2:36 am EDT Sep 19, 2026
Forecast Valid:
4am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation