National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

20°F

-7°C

Humidity 40%
Wind Speed W 6 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 29 Jan 5:56 pm EST
Extended Forecast for

Dennis MA

Coastal Flood Watch February 1, 08:00am until February 2, 02:00pm
Winter Storm Watch February 1, 04:00am until February 2, 04:00am
Cold Weather Advisory January 29, 07:00pm until January 30, 11:00am
Click here for hazard details and duration
Coastal Flood Watch
Winter Storm Watch
Cold Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Wind chill values as low as -7. West wind 13 to 17 mph, with gusts as high as 31 mph.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 17. Wind chill values as low as -10. West wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 17 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9. Wind chill values as low as -4. West wind 10 to 16 mph.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27. Wind chill values as low as -4. West wind 6 to 9 mph.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 1am. Cloudy, with a low around 18. Blustery, with a northeast wind 6 to 11 mph increasing to 19 to 24 mph after midnight. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Snow. High near 31. Windy, with a north wind 30 to 37 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 31 °F

    Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow likely, mainly before 11pm. Cloudy, with a low around 24. Windy, with a north wind 33 to 38 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 33. Breezy, with a northwest wind 14 to 23 mph.

    High: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. Northwest wind around 11 mph.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 9. Wind chill values as low as -7. West wind 13 to 17 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 17. Wind chill values as low as -10. West wind 15 to 18 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 9. Wind chill values as low as -4. West wind 10 to 16 mph.
Saturday
Mostly sunny, with a high near 27. Wind chill values as low as -4. West wind 6 to 9 mph.
Saturday Night
A chance of snow, mainly after 1am. Cloudy, with a low around 18. Blustery, with a northeast wind 6 to 11 mph increasing to 19 to 24 mph after midnight. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Sunday
Snow. High near 31. Windy, with a north wind 30 to 37 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 24. Windy, with a north wind 33 to 38 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 33. Breezy, with a northwest wind 14 to 23 mph.
Monday Night
Partly cloudy, with a low around 23. Northwest wind around 11 mph.
Tuesday
Mostly sunny, with a high near 32. Northwest wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 21. Northwest wind 8 to 10 mph.
Wednesday
Mostly sunny, with a high near 30. West wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Northwest wind around 7 mph.
Thursday
A chance of snow. Partly sunny, with a high near 30. Northwest wind 7 to 10 mph. Chance of precipitation is 30%.
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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:
1:14 pm EST Jan 29, 2026
Forecast Valid:
6pm EST Jan 29, 2026-6pm EST Feb 5, 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