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.

Mostly Cloudy

47°F

8°C

Humidity 77%
Wind Speed SW 13 mph
Barometer 29.70 in (1005.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Jan 9:56 am EST
Extended Forecast for

Dennis MA

  • Today

    Today: Mostly cloudy, with a high near 51. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly after 10pm. Patchy fog after 11pm. Low around 39. South wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of rain showers before 4pm, then a slight chance of snow showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 42. Southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 1am. Partly cloudy, with a low around 19. West wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Sunny, with a high near 34. Breezy, with a west wind 13 to 20 mph, with gusts as high as 34 mph.

    High: 34 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 11am. Mostly cloudy, with a high near 41. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 41 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 31. Southwest wind around 8 mph. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain before 10am, then a chance of snow. Cloudy, with a high near 37. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 51. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Showers, mainly after 10pm. Patchy fog after 11pm. Low around 39. South wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A slight chance of rain showers before 4pm, then a slight chance of snow showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 42. Southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow showers before 1am. Partly cloudy, with a low around 19. West wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 34. Breezy, with a west wind 13 to 20 mph, with gusts as high as 34 mph.
Friday Night
Mostly cloudy, with a low around 29. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.
Saturday
A chance of rain after 11am. Mostly cloudy, with a high near 41. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 31. Southwest wind around 8 mph. Chance of precipitation is 40%.
Sunday
A chance of rain before 10am, then a chance of snow. Cloudy, with a high near 37. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday Night
A chance of snow before 3am. Mostly cloudy, with a low around 24. West wind 10 to 13 mph. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 33. West wind 11 to 14 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly sunny, with a high near 31. West wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
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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:
6:03 am EST Jan 14, 2026
Forecast Valid:
11am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation