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.

Fair

36°F

2°C

Humidity 89%
Wind Speed N 6 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 1 Mar 4:56 am EST
Extended Forecast for

Dennis MA

  • Today

    Today: A chance of snow, mainly between 11am and 4pm. Increasing clouds, with a high near 37. Breezy, with a north wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Slight Chance
    Snow then
    Chance Snow
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 17. Blustery, with a north wind 13 to 21 mph.

    Low: 17 °F

    Decreasing
    Clouds and
    Blustery then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 26. North wind 6 to 11 mph becoming light northwest in the afternoon.

    High: 26 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain likely, mainly after 5pm. Partly sunny, with a high near 41. South wind 9 to 13 mph. Chance of precipitation is 60%.

    High: 41 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. South wind 10 to 13 mph becoming west after midnight. Chance of precipitation is 100%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 9am. Mostly cloudy, with a high near 42. West wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 70%.

    High: 42 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain after midnight. Mostly cloudy, with a low around 35. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain. Cloudy, with a high near 45. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance Rain

Detailed Forecast

Today
A chance of snow, mainly between 11am and 4pm. Increasing clouds, with a high near 37. Breezy, with a north wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Increasing clouds, with a low around 17. Blustery, with a north wind 13 to 21 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 26. North wind 6 to 11 mph becoming light northwest in the afternoon.
Monday Night
Mostly clear, with a low around 17. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Rain likely, mainly after 5pm. Partly sunny, with a high near 41. South wind 9 to 13 mph. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 35. South wind 10 to 13 mph becoming west after midnight. Chance of precipitation is 100%.
Wednesday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 42. West wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A chance of rain after midnight. Mostly cloudy, with a low around 35. South wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 45. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Cloudy, with a low around 36. Southwest wind 7 to 10 mph becoming northeast in the evening. Chance of precipitation is 50%.
Friday
Rain likely. Cloudy, with a high near 41. East wind 10 to 13 mph. Chance of precipitation is 60%.
Friday Night
A chance of rain. Cloudy, with a low around 35. East wind 8 to 10 mph becoming southwest after midnight. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 47. Southwest wind 8 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
5:07 am EST Mar 1, 2026
Forecast Valid:
6am EST Mar 1, 2026-6pm EST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation