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.

Overcast

25°F

-4°C

Humidity 78%
Wind Speed NE 13 G 23 mph
Barometer 29.86 in (1011.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 1 Feb 1:56 am EST
Extended Forecast for

Dennis MA

Coastal Flood Advisory February 1, 08:00am until February 2, 02:00pm
Winter Weather Advisory February 1, 04:00am until February 2, 04:00am
Wind Advisory February 1, 05:00am until February 1, 11:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Winter Weather Advisory
Wind Advisory

  • Overnight

    Overnight: A chance of snow before 3am, then scattered snow showers after 3am. Cloudy, with a steady temperature around 27. Blustery, with a northeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Scattered snow showers. Cloudy, with a high near 30. Windy, with a north wind 25 to 31 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Scattered
    Snow Showers
    and Windy

  • Sunday Night

    Sunday Night: Isolated snow showers before 9pm. Cloudy, with a low around 20. Windy, with a north wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Isolated Snow
    Showers and
    Windy then
    Cloudy and
    Blustery

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 30. Northwest wind 9 to 15 mph.

    High: 30 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Northwest wind around 8 mph.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. West wind 3 to 6 mph.

    High: 31 °F

    Sunny

  • Tuesday Night

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

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. West wind 6 to 8 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Northwest wind 7 to 9 mph.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of snow before 3am, then scattered snow showers after 3am. Cloudy, with a steady temperature around 27. Blustery, with a northeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Scattered snow showers. Cloudy, with a high near 30. Windy, with a north wind 25 to 31 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Isolated snow showers before 9pm. Cloudy, with a low around 20. Windy, with a north wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 30. Northwest wind 9 to 15 mph.
Monday Night
Mostly clear, with a low around 21. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 31. West wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 22. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 32. West wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 20. Northwest wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 29. Northwest wind 8 to 10 mph.
Thursday Night
Partly cloudy, with a low around 20. Northwest wind 8 to 10 mph.
Friday
Mostly cloudy, with a high near 32. Southwest wind around 11 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Southwest wind 9 to 13 mph. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 15 to 21 mph. Chance of precipitation is 50%.
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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:
1:59 am EST Feb 1, 2026
Forecast Valid:
2am EST Feb 1, 2026-6pm EST Feb 7, 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