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

32°F

0°C

Humidity 96%
Wind Speed S 3 mph
Barometer 30.21 in (1023.1 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 5 Mar 1:56 am EST
Extended Forecast for

Dennis MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Southwest wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 4pm. Areas of fog before 8am, then areas of fog after noon. Otherwise, cloudy, with a high near 38. Light north wind becoming northeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Areas Fog
    then Rain
    Likely and
    Areas Fog

  • Thursday Night

    Thursday Night: Rain. Areas of fog. Low around 36. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain and
    Areas Fog

  • Friday

    Friday: Rain, mainly before 1pm. Areas of fog. High near 38. Breezy, with a northeast wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 38 °F

    Rain and
    Areas Fog
    then Rain
    Likely and
    Areas Fog

  • Friday Night

    Friday Night: Patchy fog between 7pm and 8pm. Otherwise, cloudy, with a low around 36. Northeast wind 9 to 14 mph becoming light east after midnight.

    Low: 36 °F

    Patchy Fog
    then Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 46. Light southeast wind becoming south 11 to 16 mph in the morning.

    High: 46 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain after midnight. Cloudy, with a low around 42. Breezy, with a southwest wind 18 to 23 mph. Chance of precipitation is 50%.

    Low: 42 °F

    Breezy.
    Cloudy then
    Chance Rain

  • Sunday

    Sunday: A chance of rain before noon. Mostly cloudy, with a high near 48. West wind 7 to 15 mph. Chance of precipitation is 40%.

    High: 48 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. West wind 6 to 9 mph.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Southwest wind around 5 mph.
Thursday
Rain likely, mainly after 4pm. Areas of fog before 8am, then areas of fog after noon. Otherwise, cloudy, with a high near 38. Light north wind becoming northeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Areas of fog. Low around 36. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain, mainly before 1pm. Areas of fog. High near 38. Breezy, with a northeast wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Patchy fog between 7pm and 8pm. Otherwise, cloudy, with a low around 36. Northeast wind 9 to 14 mph becoming light east after midnight.
Saturday
Cloudy, with a high near 46. Light southeast wind becoming south 11 to 16 mph in the morning.
Saturday Night
A chance of rain after midnight. Cloudy, with a low around 42. Breezy, with a southwest wind 18 to 23 mph. Chance of precipitation is 50%.
Sunday
A chance of rain before noon. Mostly cloudy, with a high near 48. West wind 7 to 15 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 38. West wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 47. Southwest wind 9 to 13 mph.
Monday Night
Partly cloudy, with a low around 41. Southwest wind around 11 mph.
Tuesday
Mostly sunny, with a high near 50. Southwest wind 10 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Southwest wind 10 to 14 mph.
Wednesday
Cloudy, with a high near 48. Breezy, with a southwest wind 16 to 23 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.75°N 70.18°W (Elev. 3 ft)
Last Update:
1:53 am EST Mar 5, 2026
Forecast Valid:
2am EST Mar 5, 2026-6pm EDT Mar 11, 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