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.

Mostly Cloudy

28°F

-2°C

Humidity 66%
Wind Speed N 20 G 32 mph
Barometer 29.57 in (1001.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 1 Feb 8:56 pm EST
Extended Forecast for

Dennis MA

Coastal Flood Advisory February 1, 09:10pm until February 2, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 1, 09:10pm until February 2, 02:00pm

    NOW until 2:00pm Mon

    Coastal Flood Advisory

  • Tonight

    Low: 21 °F

    Mostly Cloudy
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 29. Northwest wind 11 to 16 mph.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Northwest wind 7 to 10 mph.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. Northwest wind around 6 mph becoming light and variable in the afternoon.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West wind around 6 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. West wind 6 to 8 mph.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. Northwest wind around 9 mph.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. Northwest wind 6 to 9 mph.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Windy, with a north wind 20 to 28 mph.
Monday
Mostly sunny, with a high near 29. Northwest wind 11 to 16 mph.
Monday Night
Mostly clear, with a low around 21. Northwest wind 7 to 10 mph.
Tuesday
Sunny, with a high near 31. Northwest wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Partly cloudy, with a low around 22. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 31. West wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 19. Northwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 28. Northwest wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 18. Northwest wind 7 to 9 mph.
Friday
Partly sunny, with a high near 31. Southwest wind 9 to 13 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 17. Southwest wind 10 to 15 mph. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 24. Blustery, with a northwest wind 18 to 23 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 8. Windy, with a northwest wind 24 to 26 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 19. Blustery, with a northwest wind 18 to 23 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:
5:16 pm EST Feb 1, 2026
Forecast Valid:
9pm EST Feb 1, 2026-6pm EST Feb 8, 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