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.

A Few Clouds

24°F

-4°C

Humidity 35%
Wind Speed NW 14 G 23 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 4 Dec 10:56 pm EST
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Blustery, with a northwest wind 14 to 23 mph.

    Low: 18 °F

    Increasing
    Clouds and
    Blustery

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 33. North wind around 7 mph becoming south in the afternoon.

    High: 33 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a temperature rising to around 35 by 3am. South wind around 6 mph becoming light and variable.

    Low: 28 °F⇑

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow before 8am, then a chance of rain. Mostly cloudy, with a high near 44. Southeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 9pm. Partly cloudy, with a low around 34. Southwest wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41. Northwest wind 7 to 10 mph.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain between 4am and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 28. West wind 6 to 11 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before 11am, then a chance of snow between 11am and noon. Partly sunny, with a high near 38. Northwest wind 16 to 18 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Northwest wind 11 to 16 mph.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Blustery, with a northwest wind 14 to 23 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 33. North wind around 7 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a temperature rising to around 35 by 3am. South wind around 6 mph becoming light and variable.
Saturday
A slight chance of snow before 8am, then a chance of rain. Mostly cloudy, with a high near 44. Southeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain before 9pm. Partly cloudy, with a low around 34. Southwest wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 41. Northwest wind 7 to 10 mph.
Sunday Night
A chance of rain between 4am and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 28. West wind 6 to 11 mph. Chance of precipitation is 30%.
Monday
A chance of rain and snow before 11am, then a chance of snow between 11am and noon. Partly sunny, with a high near 38. Northwest wind 16 to 18 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 22. Northwest wind 11 to 16 mph.
Tuesday
Mostly sunny, with a high near 42. Northwest wind 10 to 13 mph becoming southwest in the afternoon.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 32. Southwest wind 10 to 13 mph. Chance of precipitation is 60%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 46. Southwest wind around 11 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36. Southwest wind 8 to 11 mph. Chance of precipitation is 40%.
Thursday
Rain likely. Mostly cloudy, with a high near 46. Southwest wind 13 to 15 mph. Chance of precipitation is 60%.
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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:
11:22 pm EST Dec 4, 2025
Forecast Valid:
11pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation