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.

A Few Clouds

74°F

23°C

Humidity 79%
Wind Speed S 9 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 17 Sep 11:56 am EDT
Extended Forecast for

East Dennis MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. South wind 7 to 9 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am. Increasing clouds, with a low around 65. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 65 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. West wind 9 to 13 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. North wind 8 to 17 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63. Northeast wind 6 to 14 mph.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Southeast wind 3 to 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Southeast wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 67 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 59. South wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 10am. Partly sunny, with a high near 64. Breezy, with a north wind 16 to 20 mph. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers and
    Breezy then
    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. South wind 7 to 9 mph.
Tonight
Showers likely, mainly after 2am. Increasing clouds, with a low around 65. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. West wind 9 to 13 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 53. North wind 8 to 17 mph.
Saturday
Mostly sunny, with a high near 63. Northeast wind 6 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 50. Southeast wind 3 to 5 mph.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Southeast wind 8 to 10 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 59. South wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 70%.
Monday
A chance of showers before 10am. Partly sunny, with a high near 64. Breezy, with a north wind 16 to 20 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 58. Northeast wind 13 to 16 mph.
Tuesday
Partly sunny, with a high near 63. Breezy, with a northeast wind 18 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 58. Northeast wind around 16 mph.
Wednesday
Mostly sunny, with a high near 63. East wind around 18 mph, with gusts as high as 29 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Dennis MA
 41.75°N 70.18°W (Elev. 3 ft)
Last Update:
3:30 am EDT Sep 17, 2026
Forecast Valid:
12pm EDT Sep 17, 2026-6pm EDT Sep 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