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.

Light Rain

40°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.11 in (1019.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 Jan 5:56 pm EST
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Rain, mainly after 7pm. Low around 38. East wind 8 to 18 mph becoming south after midnight. 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 before 2pm, then scattered showers, mainly between 2pm and 4pm. Cloudy, with a high near 43. West wind 9 to 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain Likely
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Isolated showers before 8pm. Partly cloudy, with a low around 29. Breezy, with a west wind 22 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Breezy.
    Isolated
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. Breezy, with a west wind 16 to 25 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. West wind around 14 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. West wind around 15 mph.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Breezy, with a southwest wind 14 to 21 mph.

    Low: 37 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Cloudy, with a high near 45. Breezy, with a southwest wind 16 to 20 mph.

    High: 45 °F

    Mostly Cloudy
    and Breezy
    then Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 7pm. Cloudy, with a low around 34. Southwest wind 8 to 11 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 7pm. Low around 38. East wind 8 to 18 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 likely before 2pm, then scattered showers, mainly between 2pm and 4pm. Cloudy, with a high near 43. West wind 9 to 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Isolated showers before 8pm. Partly cloudy, with a low around 29. Breezy, with a west wind 22 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 38. Breezy, with a west wind 16 to 25 mph.
Monday Night
Partly cloudy, with a low around 33. West wind around 14 mph.
Tuesday
Sunny, with a high near 42. West wind around 15 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Breezy, with a southwest wind 14 to 21 mph.
Wednesday
Cloudy, with a high near 45. Breezy, with a southwest wind 16 to 20 mph.
Wednesday Night
A chance of rain after 7pm. Cloudy, with a low around 34. Southwest wind 8 to 11 mph. Chance of precipitation is 40%.
Thursday
A chance of rain before noon. Mostly cloudy, with a high near 39. West wind 10 to 15 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 27. North wind 10 to 14 mph.
Friday
Partly sunny, with a high near 34. North wind around 15 mph becoming west in the afternoon.
Friday Night
Mostly cloudy, with a low around 28. Southwest wind around 11 mph.
Saturday
Partly sunny, with a high near 38. Southwest wind 13 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.75°N 70.18°W (Elev. 3 ft)
Last Update:
1:42 pm EST Jan 10, 2026
Forecast Valid:
6pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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