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.

Overcast and Breezy

48°F

9°C

Humidity 96%
Wind Speed SW 22 G 32 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 47°F (8°C)
Visibility 7.00 mi
Wind Chill41°F (5°C)
Last update 9 Jan 10:56 pm EST
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Showers likely, mainly before midnight. Patchy fog before 4am. Otherwise, mostly cloudy, with a low around 38. Southwest wind 11 to 18 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 43. West wind 5 to 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 7pm. Low around 39. East wind 6 to 11 mph becoming south after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain

  • Sunday

    Sunday: Rain, mainly before 1pm. High near 43. West wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain

  • Sunday Night

    Sunday Night: A slight chance of snow showers between 10pm and 2am. Partly cloudy, with a low around 29. Breezy, with a west wind 13 to 20 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Monday

    Monday: Sunny, with a high near 38. West wind 13 to 15 mph, with gusts as high as 34 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. West wind 10 to 14 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. West wind around 14 mph, with gusts as high as 24 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Southwest wind 13 to 15 mph.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly before midnight. Patchy fog before 4am. Otherwise, mostly cloudy, with a low around 38. Southwest wind 11 to 18 mph becoming west after midnight. Chance of precipitation is 60%.
Saturday
A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 43. West wind 5 to 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain, mainly after 7pm. Low around 39. East wind 6 to 11 mph becoming south after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain, mainly before 1pm. High near 43. West wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A slight chance of snow showers between 10pm and 2am. Partly cloudy, with a low around 29. Breezy, with a west wind 13 to 20 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 38. West wind 13 to 15 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 32. West wind 10 to 14 mph.
Tuesday
Mostly sunny, with a high near 41. West wind around 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Southwest wind 13 to 15 mph.
Wednesday
Cloudy, with a high near 44. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers. Cloudy, with a low around 33. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Cloudy, with a high near 38. Northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26. North wind 10 to 13 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 32. North wind around 15 mph. Chance of precipitation is 40%.
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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:
7:25 pm EST Jan 9, 2026
Forecast Valid:
11pm EST Jan 9, 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