Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

33°F

1°C

Humidity 89%
Wind Speed Calm
Barometer 30.07 in (1018.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Jan 12:56 am EST
Extended Forecast for

Dennis MA

Winter Weather Advisory January 18, 07:00am until January 19, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Southwest wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow before 10am, then rain likely between 10am and 3pm, then snow, possibly mixed with rain after 3pm.  High near 38. Southwest wind around 6 mph becoming northeast in the afternoon.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 3am.  Low around 28. Northeast wind 6 to 10 mph becoming northwest after midnight.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow

  • M.L.King Day

    M.L.King Day: A slight chance of snow between 8am and 9am.  Mostly sunny, with a high near 34. Southwest wind 10 to 18 mph.  Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. West wind around 17 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. West wind around 15 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. West wind 10 to 14 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Southwest wind 9 to 14 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Southwest wind around 15 mph.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Southwest wind around 6 mph.
Sunday
A chance of rain and snow before 10am, then rain likely between 10am and 3pm, then snow, possibly mixed with rain after 3pm. High near 38. Southwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Snow, mainly before 3am. Low around 28. Northeast wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 34. Southwest wind 10 to 18 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 22. West wind around 17 mph.
Tuesday
Mostly sunny, with a high near 27. West wind around 15 mph.
Tuesday Night
Mostly clear, with a low around 17. West wind 10 to 14 mph.
Wednesday
Mostly sunny, with a high near 39. Southwest wind 9 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Southwest wind around 15 mph.
Thursday
A chance of rain after noon. Mostly cloudy, with a high near 39. Southwest wind 13 to 15 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 22. Northwest wind 13 to 15 mph.
Friday
Mostly sunny, with a high near 32. West wind 11 to 13 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind around 11 mph.
Saturday
A chance of snow. Partly sunny, with a high near 33. West wind 11 to 13 mph. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
1:13 pm EST Jan 17, 2026
1am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
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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