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

50°F

10°C

Humidity 86%
Wind Speed SW 18 G 28 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Wind Chill44°F (7°C)
Last update 1 Apr 8:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: Showers likely, mainly after 4pm. Patchy fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 54. Southwest wind 7 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers. Patchy fog before 7pm, then patchy fog after 8pm. Low around 38. Northeast wind 10 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before 8am. Patchy fog. Otherwise, cloudy, with a high near 41. Northeast wind 14 to 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of showers. Patchy fog before 9pm. Otherwise, cloudy, with a low around 37. East wind 6 to 10 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Mostly cloudy, with a high near 52. Southeast wind 6 to 14 mph becoming southwest in the afternoon.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. Southwest wind around 15 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 53. West wind 8 to 10 mph becoming east in the afternoon.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. East wind around 10 mph becoming south after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 55. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Showers likely, mainly after 4pm. Patchy fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 54. Southwest wind 7 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers. Patchy fog before 7pm, then patchy fog after 8pm. Low around 38. Northeast wind 10 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 8am. Patchy fog. Otherwise, cloudy, with a high near 41. Northeast wind 14 to 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A slight chance of showers. Patchy fog before 9pm. Otherwise, cloudy, with a low around 37. East wind 6 to 10 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 52. Southeast wind 6 to 14 mph becoming southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 45. Southwest wind around 15 mph.
Saturday
Partly sunny, with a high near 53. West wind 8 to 10 mph becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 41. East wind around 10 mph becoming south after midnight.
Sunday
A chance of showers. Mostly cloudy, with a high near 55. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 39. Southwest wind 14 to 17 mph. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 48. Northwest wind 8 to 11 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 36. Northwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 45. North wind around 8 mph becoming east in the afternoon.
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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:
7:41 am EDT Apr 1, 2026
Forecast Valid:
9am EDT Apr 1, 2026-6pm EDT Apr 7, 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