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

38°F

3°C

Humidity 76%
Wind Speed SW 12 mph
Barometer 29.90 in (1012.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Jan 4:56 pm EST
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind 10 to 16 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46. Southwest wind 10 to 14 mph.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 8pm. Cloudy, with a low around 36. South wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of rain between 8am and 11am. Mostly cloudy, with a high near 42. West wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. West wind 14 to 16 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36. West wind 13 to 15 mph.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. Southwest wind 11 to 14 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40. Southwest wind 10 to 13 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Southwest wind around 8 mph.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. South wind 10 to 16 mph.
Wednesday
Mostly cloudy, with a high near 46. Southwest wind 10 to 14 mph.
Wednesday Night
A chance of showers, mainly after 8pm. Cloudy, with a low around 36. South wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers before 8am, then a chance of rain between 8am and 11am. Mostly cloudy, with a high near 42. West wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 18. West wind 14 to 16 mph.
Friday
Sunny, with a high near 36. West wind 13 to 15 mph.
Friday Night
Mostly cloudy, with a low around 28. Southwest wind 11 to 14 mph.
Saturday
Partly sunny, with a high near 40. Southwest wind 10 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 31. Southwest wind around 8 mph.
Sunday
A chance of snow after 3pm. Partly sunny, with a high near 38. West wind 9 to 13 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 24. West wind 10 to 13 mph.
M.L.King Day
Mostly sunny, with a high near 32. Southwest wind 11 to 14 mph.
Monday Night
Partly cloudy, with a low around 22. West wind around 14 mph.
Tuesday
Mostly sunny, with a high near 29. West wind 15 to 17 mph.
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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:
2:38 pm EST Jan 13, 2026
Forecast Valid:
5pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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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