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.

Fair

57°F

14°C

Humidity 90%
Wind Speed Calm
Barometer 30.19 in (1022.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Jul 12:56 am EDT
Extended Forecast for

Dennis MA

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. East wind 5 to 8 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. East wind around 7 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Northeast wind around 11 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 61. North wind 6 to 8 mph.

    Low: 61 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. North wind around 6 mph becoming east in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 11am. Partly sunny, with a high near 79. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 67. South wind around 14 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 75. East wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 61. East wind around 7 mph.
Sunday
Mostly sunny, with a high near 73. Northeast wind around 11 mph.
Sunday Night
Mostly cloudy, with a low around 61. North wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 77. North wind around 6 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 65. South wind around 5 mph.
Tuesday
A chance of showers after 11am. Partly sunny, with a high near 79. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 67. South wind around 14 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before 9am. Mostly cloudy, with a high near 79. Southeast wind 11 to 13 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. Southeast wind around 8 mph becoming southwest after midnight. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 80. West wind 6 to 9 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 80. North wind around 6 mph becoming northeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.75°N 70.18°W (Elev. 3 ft)
Last Update:
12:32 am EDT Jul 25, 2026
Forecast Valid:
1am EDT Jul 25, 2026-6pm EDT Jul 31, 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