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

55°F

13°C

Humidity 83%
Wind Speed N 12 G 21 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 17 Apr 2:56 pm EDT
Extended Forecast for

Dennis MA

  • This Afternoon

    This Afternoon: A chance of rain, mainly before 5pm. Patchy fog. Otherwise, mostly cloudy, with a high near 54. North wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. North wind 6 to 8 mph.

    Low: 44 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 1pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 49. Northeast wind around 10 mph.

    High: 49 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog before 9pm. Otherwise, cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Patchy Fog
    then Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 55. South wind 8 to 13 mph. Chance of precipitation is 60%.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Northwest wind around 14 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48. Northwest wind 9 to 11 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. North wind 7 to 11 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. North wind 8 to 10 mph becoming northeast in the afternoon.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of rain, mainly before 5pm. Patchy fog. Otherwise, mostly cloudy, with a high near 54. North wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. North wind 6 to 8 mph.
Saturday
Patchy fog before 1pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 49. Northeast wind around 10 mph.
Saturday Night
Patchy fog before 9pm. Otherwise, cloudy, with a low around 43. Light and variable wind.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 55. South wind 8 to 13 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Northwest wind around 14 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 48. Northwest wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 35. North wind 7 to 11 mph.
Tuesday
Sunny, with a high near 47. North wind 8 to 10 mph becoming northeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind 9 to 11 mph.
Wednesday
Partly sunny, with a high near 54. Southwest wind 11 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 42. Southwest wind around 8 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 54. Northwest wind around 8 mph becoming northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. Southwest wind around 8 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 53.
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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:
5:24 am EDT Apr 17, 2026
Forecast Valid:
3pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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