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

26°F

-3°C

Humidity 51%
Wind Speed SW 6 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 16 Jan 7:56 pm EST
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Increasing clouds, with a low around 28. West wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 22 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 45. South wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 7pm. Mostly cloudy, with a low around 32. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: A chance of snow before 9am, then rain likely between 9am and 2pm, then snow likely after 2pm. Cloudy, with a high near 39. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 26. North wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow Likely
    then Chance
    Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 34. Southwest wind 10 to 18 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. West wind around 18 mph, with gusts as high as 29 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 24. West wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 24 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 28. West wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 22 mph.
Saturday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 45. South wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday Night
A chance of rain before 7pm. Mostly cloudy, with a low around 32. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday
A chance of snow before 9am, then rain likely between 9am and 2pm, then snow likely after 2pm. Cloudy, with a high near 39. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 26. North wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
M.L.King Day
Mostly sunny, with a high near 34. Southwest wind 10 to 18 mph.
Monday Night
Partly cloudy, with a low around 18. West wind around 18 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 24. West wind 15 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 14. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 34. Southwest wind around 15 mph.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Southwest wind around 11 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 37. Southwest wind 13 to 15 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Northwest wind around 11 mph. Chance of precipitation is 30%.
Friday
A chance of snow showers. Partly sunny, with a high near 32. Northwest wind 11 to 13 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
3:43 pm EST Jan 16, 2026
Forecast Valid:
8pm EST Jan 16, 2026-6pm EST Jan 23, 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