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.

Fog/Mist

51°F

11°C

Humidity 92%
Wind Speed S 8 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 49°F (9°C)
Visibility 6.00 mi
Wind Chill48°F (9°C)
Last update 16 Apr 7:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: Patchy fog before 10am. Otherwise, partly sunny, with a high near 55. South wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 55 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50. Southwest wind 8 to 11 mph.

    Low: 50 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of rain before 9am, then a chance of showers after 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 62. Southwest wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of rain before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 44. Northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Northeast wind around 8 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 44. East wind around 6 mph becoming south after midnight.

    Low: 44 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 56. South wind 9 to 14 mph. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 37. West wind 11 to 14 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 47. Northwest wind 13 to 15 mph.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, partly sunny, with a high near 55. South wind 5 to 8 mph becoming light and variable in the afternoon.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50. Southwest wind 8 to 11 mph.
Friday
A slight chance of rain before 9am, then a chance of showers after 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 62. Southwest wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 44. Northeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 52. Northeast wind around 8 mph.
Saturday Night
Cloudy, with a low around 44. East wind around 6 mph becoming south after midnight.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 56. South wind 9 to 14 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 37. West wind 11 to 14 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 47. Northwest wind 13 to 15 mph.
Monday Night
Partly cloudy, with a low around 34. Northwest wind 10 to 13 mph.
Tuesday
Sunny, with a high near 49. Northwest wind around 10 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 41. Southwest wind 11 to 14 mph.
Wednesday
Partly sunny, with a high near 54. Southwest wind 11 to 13 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:
2:29 am EDT Apr 16, 2026
Forecast Valid:
8am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation