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

67°F

19°C

Humidity 79%
Wind Speed NW 3 mph
Barometer 29.56 in (1001.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 4:56 am EDT
Extended Forecast for

Dennis MA

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Southwest wind 10 to 15 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 66. West wind 8 to 11 mph.

    Low: 66 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 84. West wind 10 to 15 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. West wind around 7 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Sunny, with a high near 82. West wind around 6 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Southwest wind 3 to 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 3pm. Partly sunny, with a high near 82. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 67. South wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Partly sunny, with a high near 80. West wind 7 to 14 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 83. Southwest wind 10 to 15 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 66. West wind 8 to 11 mph.
Saturday
Sunny, with a high near 84. West wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 65. West wind around 7 mph.
Sunday
A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Sunny, with a high near 82. West wind around 6 mph becoming south in the afternoon. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 66. Southwest wind 3 to 5 mph.
Monday
Showers likely, mainly after 3pm. Partly sunny, with a high near 82. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 60%.
Monday Night
Showers. Low around 67. South wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 80. West wind 7 to 14 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 67. West wind around 6 mph.
Wednesday
Sunny, with a high near 81. Northwest wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. South wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the morning.
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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:
4:18 am EDT Jun 19, 2026
Forecast Valid:
5am EDT Jun 19, 2026-6pm EDT Jun 25, 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