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

42°F

6°C

Humidity 89%
Wind Speed S 12 G 21 mph
Barometer 30.21 in (1023.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 25 Mar 11:56 pm EDT
Extended Forecast for

Dennis MA

  • Overnight

    Overnight: A chance of showers between 1am and 5am. Cloudy, with a low around 39. South wind around 11 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers between 8am and 9am. Mostly cloudy, with a high near 52. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Showers then
    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Rain. Patchy fog after 10pm. Low around 39. Southwest wind 14 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain likely, mainly before 1pm. Patchy fog before noon. Otherwise, cloudy, with a high near 44. North wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. North wind 7 to 10 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35. North wind 10 to 16 mph.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Northwest wind 3 to 7 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. Southwest wind 9 to 13 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. Southwest wind around 11 mph.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers between 1am and 5am. Cloudy, with a low around 39. South wind around 11 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers between 8am and 9am. Mostly cloudy, with a high near 52. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Thursday Night
Rain. Patchy fog after 10pm. Low around 39. Southwest wind 14 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 1pm. Patchy fog before noon. Otherwise, cloudy, with a high near 44. North wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 29. North wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 35. North wind 10 to 16 mph.
Saturday Night
Partly cloudy, with a low around 27. Northwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 41. Southwest wind 9 to 13 mph.
Sunday Night
Partly cloudy, with a low around 35. Southwest wind around 11 mph.
Monday
Mostly cloudy, with a high near 48. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 39. Southwest wind 11 to 15 mph.
Tuesday
A chance of rain. Partly sunny, with a high near 48. Northwest wind around 10 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36. East wind 7 to 9 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 46. East wind 11 to 14 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:
12:30 am EDT Mar 26, 2026
Forecast Valid:
12am EDT Mar 26, 2026-6pm EDT Apr 1, 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