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

9°F

-13°C

Humidity 73%
Wind Speed Calm
Barometer 30.50 in (1033.0 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 21 Jan 5:56 am EST
Extended Forecast for

Dennis MA

  • Today

    Today: Increasing clouds, with a high near 33. Southwest wind 8 to 14 mph.

    High: 33 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of snow before 10pm, then a chance of rain between 10pm and 4am. Cloudy, with a temperature rising to around 40 by 1am. South wind 13 to 15 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 31 °F⇑

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Southwest wind 14 to 17 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind 10 to 13 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. West wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 10pm. Mostly cloudy, with a low around 9. Blustery, with a west wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 9 °F

    Slight Chance
    Snow and
    Blustery

  • Saturday

    Saturday: Partly sunny, with a high near 18. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 18 °F

    Partly Sunny
    and Blustery
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 4am. Mostly cloudy, with a low around 11. Northwest wind 10 to 14 mph. Chance of precipitation is 30%.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly after 11am. Cloudy, with a high near 26. North wind 10 to 13 mph. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely

Detailed Forecast

Today
Increasing clouds, with a high near 33. Southwest wind 8 to 14 mph.
Tonight
A slight chance of snow before 10pm, then a chance of rain between 10pm and 4am. Cloudy, with a temperature rising to around 40 by 1am. South wind 13 to 15 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 43. Southwest wind 14 to 17 mph.
Thursday Night
Partly cloudy, with a low around 26. West wind 10 to 13 mph.
Friday
Partly sunny, with a high near 34. West wind 11 to 16 mph, with gusts as high as 28 mph.
Friday Night
A slight chance of snow after 10pm. Mostly cloudy, with a low around 9. Blustery, with a west wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 18. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.
Saturday Night
A chance of snow after 4am. Mostly cloudy, with a low around 11. Northwest wind 10 to 14 mph. Chance of precipitation is 30%.
Sunday
Snow likely, mainly after 11am. Cloudy, with a high near 26. North wind 10 to 13 mph. Chance of precipitation is 60%.
Sunday Night
Snow likely. Cloudy, with a low around 20. Northeast wind around 14 mph. Chance of precipitation is 60%.
Monday
Snow likely. Mostly cloudy, with a high near 29. Northeast wind around 15 mph. Chance of precipitation is 60%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 16. Northwest wind around 15 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 26. West wind around 15 mph.
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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:
1:15 am EST Jan 21, 2026
Forecast Valid:
6am EST Jan 21, 2026-6pm EST Jan 27, 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