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

32°F

0°C

Humidity 61%
Wind Speed NW 8 mph
Barometer 29.36 in (994.2 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 15 Jan 11:56 pm EST
Extended Forecast for

Dennis MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. West wind 11 to 16 mph, with gusts as high as 29 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 34. Breezy, with a west wind 14 to 20 mph, with gusts as high as 36 mph.

    High: 34 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 27. West wind 6 to 10 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and 10am, then a chance of rain after 10am. Cloudy, with a high near 42. South wind 6 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 42 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 8pm. Mostly cloudy, with a low around 31. West wind around 7 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after noon. Mostly cloudy, with a high near 40. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 40 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of snow before 4am. Mostly cloudy, with a low around 24. Northwest wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 34. Southwest wind 9 to 15 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. West wind 11 to 16 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 34. Breezy, with a west wind 14 to 20 mph, with gusts as high as 36 mph.
Friday Night
Increasing clouds, with a low around 27. West wind 6 to 10 mph.
Saturday
A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and 10am, then a chance of rain after 10am. Cloudy, with a high near 42. South wind 6 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain before 8pm. Mostly cloudy, with a low around 31. West wind around 7 mph. Chance of precipitation is 20%.
Sunday
A chance of rain, mainly after noon. Mostly cloudy, with a high near 40. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow before 4am. Mostly cloudy, with a low around 24. Northwest wind 6 to 9 mph. Chance of precipitation is 40%.
M.L.King Day
Mostly sunny, with a high near 34. Southwest wind 9 to 15 mph.
Monday Night
Partly cloudy, with a low around 17. West wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 24. West wind around 15 mph.
Tuesday Night
Partly cloudy, with a low around 14. West wind 11 to 13 mph.
Wednesday
Mostly sunny, with a high near 32. Southwest wind 10 to 13 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A chance of snow. Partly sunny, with a high near 34. West wind 11 to 14 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
Last Update:
1:35 pm EST Jan 15, 2026
Forecast Valid:
12am EST Jan 16, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation