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.

Fog

38°F

3°C

Humidity 100%
Wind Speed W 3 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 38°F (3°C)
Visibility 0.25 mi
Last update 10 Jan 4:56 am EST
Extended Forecast for

Dennis MA

  • Today

    Today: A chance of rain after 5pm. Cloudy, with a high near 43. West wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 38. East wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Sunday

    Sunday: Rain likely, mainly before 11am. Cloudy, with a high near 42. West wind 7 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 11pm. Partly cloudy, with a low around 26. West wind 16 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 38. West wind 11 to 16 mph, with gusts as high as 32 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. West wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 44. Southwest wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 44 °F

    Cloudy

Detailed Forecast

Today
A chance of rain after 5pm. Cloudy, with a high near 43. West wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%.
Tonight
Rain, mainly before 4am. Low around 38. East wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain likely, mainly before 11am. Cloudy, with a high near 42. West wind 7 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 11pm. Partly cloudy, with a low around 26. West wind 16 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Sunny, with a high near 38. West wind 11 to 16 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 31. West wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 41. West wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday
Cloudy, with a high near 44. Southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers after 9pm. Cloudy, with a low around 32. Southwest wind around 7 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Cloudy, with a high near 37. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Cloudy, with a low around 24. North wind 8 to 10 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 32. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
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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:
4:54 am EST Jan 10, 2026
Forecast Valid:
5am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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