National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

75°F

24°C

Humidity 50%
Wind Speed W 12 G 26 mph
Barometer 29.60 in (1002.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 9:56 am EDT
Extended Forecast for

Dennis MA

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Southwest wind 13 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 13 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
Tiles ©ESRI

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:
10am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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