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

54°F

12°C

Humidity 87%
Wind Speed W 12 G 21 mph
Barometer 29.55 in (1000.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Mar 10:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: Rain. Temperature falling to around 37 by 5pm. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F⇓

    Rain

  • Tonight

    Tonight: Rain likely, possibly mixed with snow before 7pm, then a chance of snow between 7pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 13 to 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 40. West wind 7 to 13 mph becoming south in the afternoon.

    High: 40 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 35. South wind 13 to 17 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 45. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 45 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Northwest wind 10 to 16 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. North wind 6 to 8 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 1am. Cloudy, with a low around 36. Breezy, with a southeast wind 13 to 22 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Monday

    Monday: Rain. High near 53. Windy, with a south wind 25 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.

    High: 53 °F

    Rain and
    Windy

Detailed Forecast

Today
Rain. Temperature falling to around 37 by 5pm. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, possibly mixed with snow before 7pm, then a chance of snow between 7pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 13 to 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 40. West wind 7 to 13 mph becoming south in the afternoon.
Friday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 35. South wind 13 to 17 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 45. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.
Saturday Night
Partly cloudy, with a low around 31. Northwest wind 10 to 16 mph.
Sunday
Mostly cloudy, with a high near 43. North wind 6 to 8 mph becoming southeast in the afternoon.
Sunday Night
A chance of rain after 1am. Cloudy, with a low around 36. Breezy, with a southeast wind 13 to 22 mph. Chance of precipitation is 40%.
Monday
Rain. High near 53. Windy, with a south wind 25 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Monday Night
Rain. Low around 35. Windy, with a south wind 24 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Tuesday
A chance of rain. Partly sunny, with a high near 42. West wind around 17 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind around 15 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind 8 to 11 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:
6:38 am EDT Mar 12, 2026
Forecast Valid:
11am EDT Mar 12, 2026-6pm EDT Mar 18, 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