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

25°F

-4°C

Humidity 69%
Wind Speed W 8 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 20 Jan 4:56 am EST
Extended Forecast for

Dennis MA

  • Today

    Today: Sunny, with a high near 27. West wind around 16 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. West wind 10 to 15 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 40. Southwest wind 8 to 14 mph.

    High: 40 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Southwest wind around 15 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Cloudy then
    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain before noon. Mostly sunny, with a high near 42. Southwest wind around 15 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind around 11 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. West wind 13 to 16 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11. West wind 16 to 18 mph.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Northwest wind 14 to 17 mph.

    High: 19 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 27. West wind around 16 mph.
Tonight
Mostly clear, with a low around 17. West wind 10 to 15 mph.
Wednesday
Increasing clouds, with a high near 40. Southwest wind 8 to 14 mph.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Southwest wind around 15 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain before noon. Mostly sunny, with a high near 42. Southwest wind around 15 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 26. West wind around 11 mph.
Friday
Partly sunny, with a high near 34. West wind 13 to 16 mph.
Friday Night
Partly cloudy, with a low around 11. West wind 16 to 18 mph.
Saturday
Mostly sunny, with a high near 19. Northwest wind 14 to 17 mph.
Saturday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 12. Northwest wind around 14 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 24. North wind around 15 mph. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 14. North wind around 15 mph. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 25. Northwest wind around 15 mph. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
12:45 am EST Jan 20, 2026
Forecast Valid:
5am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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