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

64°F

18°C

Humidity 96%
Wind Speed NW 5 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 31 Jul 1:56 am EDT
Extended Forecast for

East Dennis MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Northwest wind around 11 mph.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. South wind 3 to 8 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68. South wind around 8 mph.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. South wind 7 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 69. South wind around 8 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 79. Southwest wind 10 to 13 mph. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 67. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. Northwest wind around 11 mph.
Friday
Mostly sunny, with a high near 76. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Friday Night
Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. South wind 3 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 68. South wind around 8 mph.
Sunday
Partly sunny, with a high near 80. South wind 7 to 10 mph.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 69. South wind around 8 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly cloudy, with a high near 79. Southwest wind 10 to 13 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 67. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 78. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 78. South wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 79. South wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Dennis MA
 41.75°N 70.15°W (Elev. 13 ft)
Last Update:
2:29 pm EDT Jul 30, 2026
Forecast Valid:
2am EDT Jul 31, 2026-6pm EDT Aug 6, 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