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

59°F

15°C

Humidity 78%
Wind Speed SW 9 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 May 4:56 am EDT
Extended Forecast for

Dennis MA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind 7 to 13 mph.

    High: 76 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southwest wind 5 to 8 mph becoming northeast after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 66. East wind 6 to 8 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Southwest wind 6 to 9 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Southwest wind around 13 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Southwest wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 7pm and 3am. Mostly cloudy, with a low around 54. Southwest wind 9 to 11 mph becoming northwest after midnight. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Northeast wind 6 to 11 mph.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind 7 to 13 mph.
Tonight
Increasing clouds, with a low around 55. Southwest wind 5 to 8 mph becoming northeast after midnight.
Monday
Mostly sunny, with a high near 66. East wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 57. Southwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 60. Southwest wind around 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 75. Southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
A chance of showers between 7pm and 3am. Mostly cloudy, with a low around 54. Southwest wind 9 to 11 mph becoming northwest after midnight. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 66. Northeast wind 6 to 11 mph.
Thursday Night
Partly cloudy, with a low around 51. Calm wind becoming northwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 64. Northeast wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 64. East wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
Last Update:
3:17 am EDT May 17, 2026
Forecast Valid:
5am EDT May 17, 2026-6pm EDT May 23, 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