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

77°F

25°C

Humidity 60%
Wind Speed Vrbl 7 mph
Barometer 30.27 in (1025.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 5 Oct 1:56 pm EDT
Extended Forecast for

Dennis MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. South wind around 6 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 56. Southwest wind 3 to 5 mph.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, sunny, with a high near 76. Southwest wind 5 to 13 mph.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 58. Southwest wind around 7 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Southwest wind 6 to 16 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 59. Southwest wind around 14 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 71. Southwest wind around 15 mph becoming northwest in the afternoon. Chance of precipitation is 100%.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 49. North wind 14 to 17 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 59. North wind 14 to 17 mph.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. South wind around 6 mph.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 56. Southwest wind 3 to 5 mph.
Monday
Patchy fog before 10am. Otherwise, sunny, with a high near 76. Southwest wind 5 to 13 mph.
Monday Night
Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 58. Southwest wind around 7 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 73. Southwest wind 6 to 16 mph.
Tuesday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 59. Southwest wind around 14 mph. Chance of precipitation is 60%.
Wednesday
Showers. High near 71. Southwest wind around 15 mph becoming northwest in the afternoon. Chance of precipitation is 100%.
Wednesday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 49. North wind 14 to 17 mph. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 59. North wind 14 to 17 mph.
Thursday Night
Mostly clear, with a low around 48. North wind 6 to 8 mph.
Friday
Sunny, with a high near 64. Southwest wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 52. Southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 66. West wind around 9 mph becoming north in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
2:38 pm EDT Oct 5, 2025
Forecast Valid:
2pm EDT Oct 5, 2025-6pm EDT Oct 11, 2025
 
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