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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Mostly Cloudy

42°F

6°C

Humidity 68%
Wind Speed SE 5 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 6 Dec 10:56 am EST
Extended Forecast for

Dennis MA

  • Today

    Today: A slight chance of showers before 3pm, then a slight chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 43. South wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South wind 7 to 10 mph becoming northwest after midnight.

    Low: 33 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 41. Northwest wind 6 to 10 mph.

    High: 41 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of rain after 1am, mixing with freezing rain after 5am. Mostly cloudy, with a low around 26. Southwest wind 5 to 14 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Freezing
    Rain

  • Monday

    Monday: A slight chance of freezing rain before 9am, then a slight chance of snow between 9am and noon. Mostly sunny, with a high near 32. Breezy, with a northwest wind 17 to 20 mph. Chance of precipitation is 20%.

    High: 32 °F

    Breezy.
    Slight Chance
    Wintry Mix
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. North wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Northwest wind 7 to 11 mph becoming southwest in the afternoon.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain between 9pm and 1am. Mostly cloudy, with a low around 34. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain after 3pm. Mostly cloudy, with a high near 50. South wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
A slight chance of showers before 3pm, then a slight chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 43. South wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South wind 7 to 10 mph becoming northwest after midnight.
Sunday
Increasing clouds, with a high near 41. Northwest wind 6 to 10 mph.
Sunday Night
A slight chance of rain after 1am, mixing with freezing rain after 5am. Mostly cloudy, with a low around 26. Southwest wind 5 to 14 mph becoming west after midnight. Chance of precipitation is 20%.
Monday
A slight chance of freezing rain before 9am, then a slight chance of snow between 9am and noon. Mostly sunny, with a high near 32. Breezy, with a northwest wind 17 to 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 20. North wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 41. Northwest wind 7 to 11 mph becoming southwest in the afternoon.
Tuesday Night
A chance of rain between 9pm and 1am. Mostly cloudy, with a low around 34. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain after 3pm. Mostly cloudy, with a high near 50. South wind 10 to 14 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Southwest wind around 14 mph. Chance of precipitation is 50%.
Thursday
A chance of rain. Partly sunny, with a high near 45. West wind around 15 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. West wind around 13 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Partly sunny, with a high near 39. West wind around 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:
6:50 am EST Dec 6, 2025
Forecast Valid:
11am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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