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.

Overcast

40°F

4°C

Humidity 77%
Wind Speed SW 15 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 22 Jan 3:56 am EST
Extended Forecast for

Dennis MA

  • Overnight

    Overnight: A slight chance of rain. Mostly cloudy, with a steady temperature around 38. Southwest wind around 15 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Southwest wind 14 to 17 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. West wind 11 to 13 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34. West wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.

    Low: 10 °F

    Partly Cloudy
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 18. Blustery, with a northwest wind 14 to 20 mph.

    High: 18 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12. Northwest wind 8 to 11 mph.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 9am. The snow could be heavy at times. High near 29. North wind 7 to 14 mph becoming east in the afternoon. Chance of precipitation is 90%.

    High: 29 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 23. Northeast wind around 18 mph. Chance of precipitation is 90%.

    Low: 23 °F

    Snow

Detailed Forecast

Overnight
A slight chance of rain. Mostly cloudy, with a steady temperature around 38. Southwest wind around 15 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 43. Southwest wind 14 to 17 mph.
Thursday Night
Partly cloudy, with a low around 27. West wind 11 to 13 mph.
Friday
Mostly sunny, with a high near 34. West wind 11 to 18 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 10. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Saturday
Mostly sunny, with a high near 18. Blustery, with a northwest wind 14 to 20 mph.
Saturday Night
Mostly cloudy, with a low around 12. Northwest wind 8 to 11 mph.
Sunday
Snow, mainly after 9am. The snow could be heavy at times. High near 29. North wind 7 to 14 mph becoming east in the afternoon. Chance of precipitation is 90%.
Sunday Night
Snow. Low around 23. Northeast wind around 18 mph. Chance of precipitation is 90%.
Monday
Snow likely, mainly before noon. Mostly cloudy, with a high near 32. Northeast wind around 16 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 14. Blustery, with a northwest wind 18 to 20 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 25. West wind around 17 mph.
Tuesday Night
Partly cloudy, with a low around 17. West wind around 15 mph.
Wednesday
Mostly sunny, with a high near 28. West 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:
12:57 am EST Jan 22, 2026
Forecast Valid:
4am EST Jan 22, 2026-6pm EST Jan 28, 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