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.

A Few Clouds

28°F

-2°C

Humidity 100%
Wind Speed Calm
Barometer 29.79 in (1010.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 26 Feb 5:56 am EST
Extended Forecast for

Dennis MA

  • Today

    Today: Increasing clouds, with a high near 37. West wind 5 to 8 mph becoming calm.

    High: 37 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 24. Light and variable wind becoming northwest 5 to 9 mph in the evening.

    Low: 24 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 36. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. South wind 6 to 9 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43. South wind 7 to 11 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Southwest wind 6 to 9 mph becoming northwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of snow between 10am and noon. Mostly cloudy, with a high near 36. Northwest wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. North wind around 15 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27. North wind 7 to 11 mph.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 37. West wind 5 to 8 mph becoming calm.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 24. Light and variable wind becoming northwest 5 to 9 mph in the evening.
Friday
Sunny, with a high near 36. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 30. South wind 6 to 9 mph.
Saturday
Sunny, with a high near 43. South wind 7 to 11 mph.
Saturday Night
Partly cloudy, with a low around 30. Southwest wind 6 to 9 mph becoming northwest after midnight.
Sunday
A chance of snow between 10am and noon. Mostly cloudy, with a high near 36. Northwest wind 10 to 14 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 20. North wind around 15 mph.
Monday
Partly sunny, with a high near 27. North wind 7 to 11 mph.
Monday Night
Mostly cloudy, with a low around 21. North wind 6 to 9 mph.
Tuesday
A chance of rain. Mostly cloudy, with a high near 36. East wind 9 to 13 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 28. South wind 11 to 14 mph becoming west after midnight. Chance of precipitation is 50%.
Wednesday
A chance of rain. Partly sunny, with a high near 40. West wind 11 to 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:
5:02 am EST Feb 26, 2026
Forecast Valid:
6am EST Feb 26, 2026-6pm EST Mar 4, 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