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

34°F

1°C

Humidity 54%
Wind Speed N 12 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Mar 3:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 10 to 15 mph.

    High: 36 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Southeast wind 5 to 13 mph becoming northwest after midnight.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 43. West wind 7 to 16 mph becoming southwest in the afternoon.

    High: 43 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 37. Southwest wind around 14 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 50. Southwest wind 14 to 16 mph.

    High: 50 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain between 9am and 2pm. Mostly cloudy, with a high near 52. South wind 10 to 16 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Breezy, with a southwest wind 17 to 21 mph.

    Low: 46 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A chance of rain after 2pm. Mostly sunny, with a high near 55. Breezy, with a southwest wind 20 to 22 mph. Chance of precipitation is 30%.

    High: 55 °F

    Breezy.
    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 28. Southeast wind 5 to 13 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 43. West wind 7 to 16 mph becoming southwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 37. Southwest wind around 14 mph.
Monday
Mostly cloudy, with a high near 50. Southwest wind 14 to 16 mph.
Monday Night
Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph.
Tuesday
A chance of rain between 9am and 2pm. Mostly cloudy, with a high near 52. South wind 10 to 16 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 46. Breezy, with a southwest wind 17 to 21 mph.
Wednesday
A chance of rain after 2pm. Mostly sunny, with a high near 55. Breezy, with a southwest wind 20 to 22 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely before 5am, then rain and snow likely. Mostly cloudy, with a low around 37. Southwest wind around 14 mph becoming north after midnight. Chance of precipitation is 70%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 42. Northeast wind 14 to 16 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Cloudy, with a low around 34. Northeast wind 11 to 15 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Cloudy, with a high near 42. Northeast wind 15 to 17 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:
3:13 am EDT Mar 28, 2026
Forecast Valid:
4am EDT Mar 28, 2026-6pm EDT Apr 3, 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