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

39°F

4°C

Humidity 89%
Wind Speed E 3 mph
Barometer 30.47 in (1032.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 2 Apr 10:56 pm EDT
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: A slight chance of showers after 1am. Patchy fog. Otherwise, cloudy, with a low around 38. East wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 5pm. Otherwise, mostly cloudy, with a high near 53. Southeast wind 7 to 14 mph becoming southwest in the afternoon.

    High: 53 °F

    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 42. Southwest wind 14 to 17 mph.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 50. Northwest wind 8 to 13 mph becoming northeast in the afternoon.

    High: 50 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 10pm. Patchy fog. Otherwise, cloudy, with a low around 39. East wind around 10 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers. High near 53. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.

    High: 53 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 39. West wind 9 to 14 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely between 7am and 8am. Mostly sunny, with a high near 48. West wind 11 to 13 mph. Chance of precipitation is 60%.

    High: 48 °F

    Showers
    Likely then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. West wind 7 to 9 mph.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers after 1am. Patchy fog. Otherwise, cloudy, with a low around 38. East wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
Patchy fog before 5pm. Otherwise, mostly cloudy, with a high near 53. Southeast wind 7 to 14 mph becoming southwest in the afternoon.
Friday Night
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 42. Southwest wind 14 to 17 mph.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 50. Northwest wind 8 to 13 mph becoming northeast in the afternoon.
Saturday Night
A chance of showers, mainly after 10pm. Patchy fog. Otherwise, cloudy, with a low around 39. East wind around 10 mph. Chance of precipitation is 30%.
Sunday
Showers. High near 53. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 39. West wind 9 to 14 mph. Chance of precipitation is 60%.
Monday
Showers likely between 7am and 8am. Mostly sunny, with a high near 48. West wind 11 to 13 mph. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 37. West wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 45. West wind 6 to 8 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 32. West wind 7 to 15 mph becoming north after midnight.
Wednesday
Sunny, with a high near 40. North wind 9 to 15 mph.
Wednesday Night
Mostly clear, with a low around 33. South wind around 8 mph.
Thursday
Sunny, with a high near 47. South wind 9 to 14 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:
7:27 pm EDT Apr 2, 2026
Forecast Valid:
11pm EDT Apr 2, 2026-6pm EDT Apr 9, 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