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

19°F

-7°C

Humidity 84%
Wind Speed Calm
Barometer 30.35 in (1027.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 19 Mar 3:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: Partly sunny, with a high near 39. Southeast wind 3 to 7 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 45. West wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 39. Breezy, with a south wind 17 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain
    and Breezy
    then Rain
    Likely

  • Saturday

    Saturday: Rain likely, mainly before 10am. Partly sunny, with a high near 48. Southwest wind 10 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. West wind around 10 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 48. Southwest wind around 11 mph.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain before 2am, then rain and snow likely. Mostly cloudy, with a low around 34. Southwest wind 10 to 14 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 34 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow likely before 11am, then a chance of rain. Mostly cloudy, with a high near 42. North wind around 17 mph. Chance of precipitation is 60%.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 39. Southeast wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 32. Southwest wind around 6 mph.
Friday
Sunny, with a high near 45. West wind 6 to 15 mph, with gusts as high as 25 mph.
Friday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 39. Breezy, with a south wind 17 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain likely, mainly before 10am. Partly sunny, with a high near 48. Southwest wind 10 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 37. West wind around 10 mph.
Sunday
Mostly cloudy, with a high near 48. Southwest wind around 11 mph.
Sunday Night
A chance of rain before 2am, then rain and snow likely. Mostly cloudy, with a low around 34. Southwest wind 10 to 14 mph becoming north after midnight. Chance of precipitation is 60%.
Monday
Rain and snow likely before 11am, then a chance of rain. Mostly cloudy, with a high near 42. North wind around 17 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 29. North wind 14 to 16 mph.
Tuesday
Mostly sunny, with a high near 37. North wind 10 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 30. Southwest wind 9 to 11 mph.
Wednesday
Mostly sunny, with a high near 44. Southwest wind 11 to 13 mph.
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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:
3:02 am EDT Mar 19, 2026
Forecast Valid:
4am EDT Mar 19, 2026-6pm EDT Mar 25, 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