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.

Overcast

35°F

2°C

Humidity 78%
Wind Speed S 7 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Feb 2:56 pm EST
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 31. West wind around 7 mph.

    Low: 31 °F

    Patchy Fog

  • Wednesday

    Wednesday: Rain and snow likely before 3pm, then snow between 3pm and 4pm, then rain and snow after 4pm. Patchy fog before 10am. High near 35. West wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 35 °F

    Slight Chance
    Rain and
    Patchy Fog
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm. Low around 32. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: A slight chance of snow before 8am. Mostly sunny, with a high near 36. North wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow before 1pm, then rain likely. Mostly cloudy, with a high near 39. East wind 6 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain and snow likely before 10pm, then snow. Low around 32. Northeast wind 11 to 13 mph. Chance of precipitation is 80%.

    Low: 32 °F

    Rain/Snow
    then Snow
    Likely

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 37. Northeast wind 7 to 10 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. Northeast wind around 7 mph.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 31. West wind around 7 mph.
Wednesday
Rain and snow likely before 3pm, then snow between 3pm and 4pm, then rain and snow after 4pm. Patchy fog before 10am. High near 35. West wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Low around 32. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A slight chance of snow before 8am. Mostly sunny, with a high near 36. North wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 29. Light and variable wind.
Friday
A chance of snow before 1pm, then rain likely. Mostly cloudy, with a high near 39. East wind 6 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Rain and snow likely before 10pm, then snow. Low around 32. Northeast wind 11 to 13 mph. Chance of precipitation is 80%.
Saturday
A chance of snow. Mostly cloudy, with a high near 37. Northeast wind 7 to 10 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 29. Northeast wind around 7 mph.
Sunday
A chance of snow after 11am. Mostly cloudy, with a high near 36. East wind 9 to 13 mph. Chance of precipitation is 40%.
Sunday Night
Snow likely. Cloudy, with a low around 29. Blustery, with a northeast wind 15 to 20 mph. Chance of precipitation is 60%.
Monday
A chance of snow. Mostly cloudy, with a high near 34. Breezy, with a north wind 17 to 20 mph. Chance of precipitation is 50%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23. Northwest wind around 18 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 31. Northwest wind 13 to 17 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:
12:24 pm EST Feb 17, 2026
Forecast Valid:
3pm EST Feb 17, 2026-6pm EST Feb 24, 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